House Ferns

This guide explores the fascinating world of house ferns, from their prehistoric origins and Victorian-era popularity to their modern role in biophilic design. You'll find a detailed comparison of 15 popular fern varieties, a universal care guide covering light, water, and soil, and a troubleshooting table to solve common problems. Learn how to propagate and style your ferns, and understand the importance of pet safety and sustainable practices to keep your leafy friends thriving.

History of Ferns

Prehistoric Origins

Ferns are one of the oldest groups of plants, with a fossil record stretching back 380 to 430 million years to the Devonian period. ¹ They predate flowering plants, dinosaurs, mammals, and birds.

During the Carboniferous period, around 300 million years ago, vast swamps were dominated by giant, tree-like ferns. ² Over millennia, the remains of these ancient plants formed the coal and natural gas deposits used for energy today. ^{2, 3}

Ferns survived the mass extinction event that killed the dinosaurs 65 million years ago. Fossil records show a "fern spore spike" after the asteroid impact, indicating they were among the first plants to recolonize the land. ⁴ They were also a food source for herbivorous dinosaurs like Stegosaurus and Triceratops. ³ Most modern houseplant ferns are descended from species that evolved in the last 70 million years. ²

Victorian Fern Fever and Modern Popularity

The popularity of ferns as houseplants has a historical precedent in the Victorian era's "Pteridomania," or "fern fever." From the 1850s to the 1890s, an intense craze for ferns swept across Britain and America. ⁶

Several factors contributed to this trend. The invention of the Wardian case in 1829, a sealed glass terrarium, allowed ferns to survive the polluted air of industrial cities. ⁶ Increased access to the countryside via railways and a rise in natural history publications also made fern collecting a popular social activity for both men and women. ^{7, 8}

The fern motif appeared on pottery, cast-iron benches, tea sets, and gravestones. ⁸ People built indoor and outdoor "ferneries" to display their prized collections. ⁸ This historical trend reflects the modern concept of biophilic design, which focuses on bringing nature indoors. The Wardian case functioned like a modern terrarium, and pressed fern albums were a way to curate and display collections. ⁷

The enthusiasm of Victorian collectors led to the over-collection of rare specimens, decimating wild fern populations. The Killarney fern, for instance, was hunted to local extinction in some areas. ⁹ This serves as a reminder to source plants ethically to avoid harming the ecosystems they come from.

The Anatomy of a Fern

• Fronds: A frond is a fern's leaf. It consists of the stipe (the stalk connecting it to the base) and the blade (the leafy, expanded portion). ¹² The central stem running through the blade is the
  rachis . Many fronds are divided into smaller leaflets called pinnae , which can be further subdivided into pinnules . The shape, texture, and division of fronds are key to identifying fern species.
• Rhizomes: The true stem of a fern is the rhizome , a structure that typically grows horizontally along or just beneath the soil surface. ¹² Roots grow from the rhizome to absorb water and nutrients. A short, stocky rhizome results in a clumping, vase-like shape (like a Bird's Nest Fern), while a long, creeping rhizome sends up fronds along its length, creating a spreading effect (like a Rabbit's Foot Fern). ¹³
• Spores: Ferns predate flowers and reproduce without flowers or seeds, using microscopic, single-celled spores . ¹⁴ Spores are produced in structures called
  sporangia , which are clustered into dots or lines called sori on the underside of fertile fronds. ¹² A single fern can release millions of spores. If a spore lands in a suitably moist spot, it grows into a tiny, heart-shaped plantlet called a
  gametophyte . The gametophyte produces sexual cells that, after fertilization, grow into the familiar fern plant (the sporophyte ). ¹⁵

Benefits of Ferns

Bringing ferns into your home offers documented benefits for your environment and well-being.

• Air Purification: The NASA Clean Air Study investigated the ability of houseplants to remove volatile organic compounds (VOCs). The Boston Fern ( Nephrolepis exaltata ) was highly effective at removing pollutants like formaldehyde and xylene from sealed environments. ¹⁷ The study found Boston Ferns could remove 1,863 micrograms of formaldehyde per hour, making them one of the most efficient air-purifying plants tested. ¹⁷
• Mental Wellness & Biophilia: The presence of plants can have a positive impact on psychological well-being. This is the core idea of biophilia , the hypothesis that humans possess an innate tendency to seek connections with nature. ²⁰ Research has shown that interacting with indoor plants can reduce stress, lower cortisol levels, and improve mood and cognitive function. ²⁰ The practice of caring for a plant connects people to the natural world.

Guide to Popular House Ferns

This guide profiles 15 popular house ferns to help you choose one for your home. The table below provides a quick comparison, followed by detailed descriptions.

Fern Care Comparison Matrix

A Note on 'True Ferns' and Their Impostors

Pet owners should know the difference between true ferns and plants that are commonly called ferns but are not. Most true ferns —plants belonging to the division Polypodiophyta —are considered non-toxic to cats and dogs by the ASPCA. ²² This includes popular varieties like the Boston, Maidenhair, and Staghorn fern. However, several common houseplants use "fern" in their name but are not true ferns and can be dangerous to pets.

The most common impostor is the Asparagus Fern ( Asparagus aethiopicus or Asparagus densiflorus ). ²⁴ Despite its fern-like foliage, it belongs to the Asparagaceae family. ²⁶ The Asparagus Fern is toxic to both cats and dogs. ²⁷ Its toxicity stems from sapogenins, which are concentrated in its small red berries. Ingestion can cause gastrointestinal upset (vomiting, diarrhea), and repeated contact with the plant's sap can cause skin irritation. ²⁷ Always verify a plant's scientific name to ensure it is a pet-safe, true fern.

Detailed Fern Profiles

Boston Fern ( Nephrolepis exaltata )

• Visual Identification Guide: The Boston Fern has long, arching fronds up to 3 feet long. ²⁹ The fronds are lined with many small, sword-shaped pinnae, giving it a feathery appearance. It is often used in hanging baskets and on pedestals.

• Specific Care Synopsis:

• Light: Bright, indirect light. An east-facing window is ideal, or a spot a few feet from a west or south window. ³¹
• Water: Keep the soil consistently moist, watering when the surface just begins to feel dry. ³²
• Humidity: High. This fern suffers in dry air, leading to brown, crispy fronds. Prefers 40-50% humidity or higher. ³²
• Temperature: Prefers daytime temperatures of 65-75°F (18-24°C) and nighttime temperatures around 60°F (15°C). ³²

• Difficulty Level: Intermediate. Its primary challenge is meeting its high humidity requirement in the average home.
• Special Notes: Non-toxic to cats and dogs. ³⁵ It performed well in the NASA Clean Air Study for removing formaldehyde. ¹⁷

Maidenhair Fern ( Adiantum spp. )

• Visual Identification Guide: The Maidenhair fern has clusters of small, fan-shaped pinnae on thin, black, wiry stems. ³⁶ Its foliage has a light texture that repels water, which is the source of its Greek-derived name
  Adiantum , meaning "unwetted". ³⁶

• Specific Care Synopsis:

• Light: Bright, indirect or filtered light. Direct sun will scorch its fragile leaves. ³⁸
• Water: Needs consistently moist soil. This fern is unforgiving of drying out; one instance can cause significant dieback. ³⁸
• Humidity: Very high. Requires humidity levels above 60% and is best suited for a terrarium or a location next to a humidifier. ³⁸
• Temperature: Thrives in typical home temperatures of 65-75°F (18-24°C) but suffers below 50°F (10°C). ³⁸

• Difficulty Level: Challenging. Requires consistently moist soil and high humidity.
• Special Notes: Non-toxic to cats and dogs. ²² Fronds naturally die back after about six months and should be trimmed off. ³⁸

Bird's Nest Fern ( Asplenium nidus )

• Visual Identification Guide: The Bird's Nest Fern has broad, uncut, lance-shaped fronds that resemble banana leaves. ⁴² These bright green, often wavy fronds grow outward from a central rosette, creating a "nest" shape. ⁴³

• Specific Care Synopsis:

• Light: Prefers medium to bright indirect light. Can tolerate lower light levels than many other ferns. ⁴⁵
• Water: Water thoroughly when the top inch of soil feels dry. Water the soil around the base of the plant, avoiding the central "nest," as water collecting there can cause crown rot. ⁴⁶
• Humidity: High. Thrives in humidity levels of 50-80%. ⁴⁵ Ideal for a bathroom or kitchen.
• Temperature: Prefers warm conditions, ideally between 70-80°F (21-27°C) during the day and 60-70°F (15-21°C) at night. ⁴⁵

• Difficulty Level: Beginner. Its tolerance for lower light and slightly less demanding humidity needs make it one of the easier ferns to grow indoors.
• Special Notes: Non-toxic to cats and dogs. ⁴⁷ Do not damage the central growing point from which new fronds emerge. ⁴⁵

Staghorn Fern ( Platycerium spp. )

• Visual Identification Guide: This epiphytic fern grows on trees in its native habitat. ⁵⁰ It produces two distinct types of fronds: sterile
  shield fronds , which are flat, round plates that cling to the mounting surface, and fertile antler fronds , which are large, forked, and grow outward, resembling antlers. ⁵¹

• Specific Care Synopsis:

• Light: Bright, indirect light and good air circulation are essential. ⁵³
• Water: Allow the growing medium to dry moderately between waterings. They are prone to rot if overwatered. ⁵¹ For mounted plants, submerge the entire plaque in water for 10-20 minutes, then let it drain completely.
• Humidity: Moderate to high humidity is preferred. ⁵³
• Temperature: Most species cannot tolerate temperatures below 55°F (13°C), though some ( P. bifurcatum ) can handle brief dips to 30°F (-1°C). ⁵¹

• Difficulty Level: Intermediate. The main challenge is the unique mounting and watering process.
• Special Notes: Non-toxic to cats, dogs, and horses. ⁵⁵ Best displayed mounted on a wooden plaque or in a wire basket rather than in a pot. ⁵¹ The brown, papery shield fronds at the base should not be removed; they are a vital part of the plant. ⁵³

Rabbit's Foot Fern ( Davallia fejeensis )

• Visual Identification Guide: This fern is known for its fuzzy, light brown rhizomes that creep over the soil and down the side of the pot, resembling a rabbit's foot. ⁵⁷ The fronds are lacy and triangular, rising from the rhizomes.
• Specific Care Synopsis:

• Light: Bright, indirect light. An east-facing window is perfect. ⁵⁹
• Water: Keep the soil consistently moist but not soggy. Misting the fuzzy rhizomes weekly can help keep them hydrated. ⁶⁰
• Humidity: High humidity is crucial to prevent the fronds from browning at the tips. ⁵⁹
• Temperature: Prefers temperatures between 65-75°F (18-24°C) and should not drop below 55°F (13°C). ⁵⁹

• Difficulty Level: Beginner. It is relatively forgiving as long as its humidity and moisture needs are met.
• Special Notes: Non-toxic to cats and dogs. ⁶² When repotting, place the rhizomes on top of the soil, not buried within it, to prevent rot. ⁵⁹

Button Fern ( Pellaea rotundifolia )

• Visual Identification Guide: This low-growing fern has long, wiry fronds lined with small, round, dark green pinnae that resemble buttons. ⁶⁵ Its spreading growth habit makes it suitable for ground cover or hanging baskets.
• Specific Care Synopsis:

• Light: Bright, indirect light is best. ⁶⁶
• Water: Unlike many ferns, the Button Fern prefers its soil to dry out slightly between waterings. It is more susceptible to overwatering than underwatering. ⁶⁷
• Humidity: It is more tolerant of average household humidity levels than many other ferns. ⁶⁷
• Temperature: Thrives in average room temperatures from 60-75°F (15-24°C). ⁶⁶

• Difficulty Level: Beginner. Its tolerance for slightly drier soil and lower humidity makes it one of the most adaptable indoor ferns.
• Special Notes: Non-toxic to cats, dogs, and horses. ⁶⁸ Its compact size makes it suitable for small spaces and terrariums.

Kangaroo Paw Fern ( Microsorum diversifolium )

• Visual Identification Guide: Named for its leathery, glossy, and irregularly lobed fronds that resemble a kangaroo's paw. ⁶⁹ It grows from a creeping rhizome. The frond shapes vary on the same plant, which is the source of its "diversifolium" name. ⁶⁹
• Specific Care Synopsis:

• Light: Medium to bright indirect light. It can tolerate lower light, but thrives with more. ⁶⁹
• Water: Prefers consistently moist soil but is tolerant of short dry spells. ⁶⁹
• Humidity: Prefers higher humidity (50-70%) but is more adaptable than many other ferns. ⁶⁹
• Temperature: Ideal range is 60-80°F (15-27°C). ⁶⁹

• Difficulty Level: Beginner. Its tolerance for occasional drought and average humidity makes it a low-maintenance choice.
• Special Notes: Non-toxic to pets. ⁷⁰ A good choice for a hanging basket to display its creeping rhizomes and unique fronds.

Lemon Button Fern ( Nephrolepis cordifolia 'Duffii' )

• Visual Identification Guide: This is a dwarf cultivar of the Tuberous Sword Fern. It has arching fronds with tiny, rounded leaflets. ⁷² The fronds may release a faint lemon scent when crushed. ⁷² Its small size makes it suitable for terrariums and small pots.
• Specific Care Synopsis:

• Light: Bright, indirect light. ⁷³
• Water: Keep soil consistently moist but prefers not to dry out completely. ⁷⁴
• Humidity: High humidity is preferred. ⁷⁴ It thrives in the moist environment of a bathroom or kitchen.
• Temperature: Prefers warmer temperatures, ideally 60-70°F (16-21°C). ⁷⁴

• Difficulty Level: Beginner. A very easy little fern.
• Special Notes: Non-toxic to cats, dogs, and horses. ⁷⁵ This fern prefers to be slightly root-bound, so do not repot it too frequently. ⁷⁴

Holly Fern ( Cyrtomium falcatum )

• Visual Identification Guide: The Holly Fern has thick, leathery, glossy dark green fronds. Each frond has large, pointed pinnae with serrated edges, resembling holly leaves ( Ilex ). ⁷⁶
• Specific Care Synopsis:

• Light: Very tolerant of low light. It thrives in partial to full shade, making it a good choice for darker corners. ⁷⁶
• Water: Keep the soil barely moist. It is more drought-tolerant than most ferns and dislikes being waterlogged. ³⁴
• Humidity: Tolerates dry air much better than other ferns, making it well-suited to average household conditions. ³⁴
• Temperature: Very adaptable, hardy outdoors in USDA zones 6-11. Indoors, it is happy in average room temperatures. ⁷⁹ It can tolerate cooler nights down to 50°F (10°C). ³⁴

• Difficulty Level: Beginner. This is one of the most durable and easy-to-care-for indoor ferns available.
• Special Notes: Non-toxic to cats and dogs. ⁸⁰ The dark, round sori (spore clusters) on the undersides of the leaves are prominent and often mistaken for scale insects. ⁷⁹

Heartleaf Fern ( Hemionitis arifolia )

• Visual Identification Guide: This dimorphic dwarf fern produces two types of fronds. The sterile fronds are dark green, fuzzy, and heart-shaped, lying flat against the soil. The fertile fronds are taller, with an arrowhead shape on thin black stems. ⁸²
• Specific Care Synopsis:

• Light: Bright, indirect light. Can tolerate low to medium light, but direct sun will shrivel the leaves. ⁸⁴
• Water: Keep the soil consistently moist but not soggy. It is prone to root rot if overwatered and will crisp up if allowed to dry out. ⁸²
• Humidity: Very high humidity (60-80%) is required. It is an ideal candidate for a closed terrarium. ⁸⁴
• Temperature: Prefers warm temperatures between 60-85°F (15-29°C). ⁸²

• Difficulty Level: Challenging. Its need for a precise balance of moisture and high humidity makes it difficult for beginners.
• Special Notes: Risk of confusion. While the Heartleaf Fern ( Hemionitis arifolia ) is not listed as toxic by the ASPCA, its common name is identical to the toxic Heartleaf Philodendron ( Philodendron hederaceum ). ⁸⁷ Due to the potential for misidentification, it should be avoided in homes with pets or small children.

Cretan Brake Fern ( Pteris cretica )

• Visual Identification Guide: This fern has palmate (hand-shaped), deeply divided fronds. The popular 'Albolineata' cultivar has a broad, creamy-white stripe down the center of each green pinna. ⁸⁹ The fertile fronds are typically narrower and more upright than the sterile fronds.
• Specific Care Synopsis:

• Light: Versatile; grows well in bright, indirect light to shade. Avoid direct sun. ⁸⁹
• Water: Keep the potting mix evenly moist but not waterlogged. ⁸⁹
• Humidity: Prefers high humidity levels, ideally between 50-70%. ⁹²
• Temperature: Ideal temperatures are 65-75°F (18-24°C) during the day and slightly cooler at night. ⁹²

• Difficulty Level: Intermediate. Requires consistent moisture and humidity.
• Special Notes: Use with caution in pet-owning households. While Pteris cretica is not explicitly listed as toxic by the ASPCA, the related Bracken Fern ( Pteridium aquilinum ) is known to be toxic, especially to horses, as it contains an enzyme that destroys thiamine. ⁹³ Given the family connection, it is wise to keep this fern out of reach of pets.

Fluffy Ruffle Fern ( Nephrolepis exaltata 'Fluffy Ruffles' )

• Visual Identification Guide: A compact cultivar of the Boston Fern with an upright growth habit. Its fronds have densely packed, overlapping, ruffled leaflets, giving it a "fluffy" texture. ⁹⁵
• Specific Care Synopsis:

• Light: Bright, indirect light. Avoid direct sun. ⁹⁶
• Water: Keep the soil consistently moist. Water when the surface of the soil feels dry. ³³
• Humidity: High humidity is essential, just like for a standard Boston Fern. ⁹⁷
• Temperature: Prefers average room temperatures between 60-75°F (15-24°C). ⁹⁷

• Difficulty Level: Intermediate. Shares the same high humidity requirement as the Boston Fern.
• Special Notes: Non-toxic to cats, dogs, and horses. ⁹⁸ Its compact size (typically 1-2 feet tall) makes it a good fit for smaller spaces. ⁹⁵

Crispy Wave Fern ( Asplenium nidus 'Crispy Wave' )

• Visual Identification Guide: A cultivar of the Bird's Nest Fern, 'Crispy Wave' has stiff, light green fronds with intensely pleated or ruffled edges. ¹⁰⁰ The fronds are more upright and rigid than the standard
  Asplenium nidus .
• Specific Care Synopsis:

• Light: Prefers medium to low indirect light. Strong direct light will scorch the leaves. ¹⁰²
• Water: Keep the soil evenly moist but not soggy. Water when the top inch of soil feels dry, and avoid watering into the central rosette. ¹⁰²
• Humidity: High humidity is crucial. Prefers levels between 60-90% and is an excellent choice for a bathroom. ¹⁰³
• Temperature: Ideal range is 60-72°F (15-22°C). Avoid temperatures below 55°F (13°C). ¹⁰³

• Difficulty Level: Beginner. Like its parent, it is relatively easy to care for as long as its humidity needs are met.
• Special Notes: Non-toxic and safe for pets. ¹⁰⁵ Marketed as an air-purifying plant. ¹⁰²

Austral Gem Fern ( Asplenium 'Austral Gem' )

• Visual Identification Guide: This Australian hybrid fern has thick, dark green fronds with a waxy coating that makes them durable and less prone to drying out. ¹⁰⁷ It is sterile and does not produce spores. ¹⁰⁸
• Specific Care Synopsis:

• Light: Extremely adaptable, growing well in low to bright indirect light. ¹⁰⁸
• Water: Tolerates periods of drought far better than other ferns. Let the top layer of soil dry out before watering to avoid overwatering. ¹⁰⁸
• Humidity: Does not require high humidity and is fine in average household conditions. ¹⁰⁸
• Temperature: Thrives in average room temperatures of 62-80°F (17-27°C). ¹¹¹

• Difficulty Level: Beginner. This is one of the easiest and most durable ferns for a novice.
• Special Notes: Non-toxic to pets. ¹⁰⁷ Its toughness, adaptability, and spore-free nature make it an outstanding low-maintenance houseplant.

THE IMPOSTOR: Asparagus Fern ( Asparagus aethiopicus )

• Visual Identification Guide: This plant is often mistaken for a fern due to its feathery appearance. It has arching stems covered in fine, needle-like modified stems called cladodes. ²⁴ It can produce small white flowers and red berries. ¹¹⁴
• Specific Care Synopsis:

• Light: Bright, indirect light. Can handle some morning sun but may scorch in intense direct light. ²⁶
• Water: Drought-tolerant. Allow the soil to dry out between waterings. ²⁶ Yellowing and dropping needles can be a sign of overwatering. ²⁶
• Humidity: Appreciates moderate humidity but is far more tolerant of dry air than true ferns. ¹¹⁵
• Temperature: Prefers temperatures between 60-80°F (15-27°C). ¹¹³

• Difficulty Level: Beginner. It is a very tough and easy-to-grow plant.
• Special Notes: TOXIC TO PETS. This plant is toxic to cats and dogs. ²⁷ The berries are particularly toxic if ingested, and the sap can cause skin irritation. ²⁸ It should be kept out of reach of pets and children.

Universal Fern Care Guide

Most tropical and subtropical house ferns originate from the forest floor. To care for them successfully, recreate the shady, humid, and moist conditions of their native woodland habitat in your home.

Light

In their native habitat, most ferns grow under the canopy of larger trees and are accustomed to filtered sunlight. This is what "bright, indirect light" means. A spot in a room that is bright enough to read in comfortably, but where the sun's rays do not fall directly on the plant's foliage, is ideal. ³¹ The best placement is often near a north-facing window or an east-facing window, which receives softer morning sun. ³² For south- or west-facing windows, diffuse the light by placing the fern several feet back from the glass or by using a sheer curtain. ³²

Too much direct sun will scorch the fronds, causing them to turn pale. ¹¹⁸ Too little light will result in slow, weak growth. ⁴⁵

Water and Humidity

Proper moisture, both in the soil and in the air, is critical for fern health.

Soil Moisture

Ferns require consistently moist soil but are prone to root rot if waterlogged. The best practice is to keep the soil consistently moist, but not soggy . Check the soil by inserting a finger one inch deep; if it feels slightly dry, it's time to water. ³²

When you water, use lukewarm or room-temperature water, as cold water can shock the roots. ³¹ Pour water over the entire soil surface until it drains from the bottom of the pot. Let it drain for a few minutes, then empty any excess water from the saucer. Allowing a pot to sit in water creates a high risk of root rot. ³¹

Water Quality

Many ferns are sensitive to chemicals in tap water. High concentrations of chlorine, fluoride, or salts can cause frond tips to turn brown and crispy. ⁶⁶ Water treated with a water softener contains sodium salts that are harmful to roots. ³¹ For best results, use filtered water, distilled water, or collected rainwater. If using tap water, letting it sit in an open container for 24 hours can allow some chlorine to dissipate. ⁸²

Humidity

Low humidity is the number one cause of problems for indoor ferns. The dry air in centrally heated and air-conditioned homes pulls moisture from the fronds faster than the roots can absorb it, resulting in crispy, brown tips. Most ferns thrive in humidity levels of 50% or higher. ³²

Misting's effects are temporary and not a sufficient solution for raising ambient humidity. It can also encourage fungal diseases if foliage remains wet. ³¹ More effective methods include:

1. Use a Humidifier: An electric room humidifier is the most reliable way to maintain high humidity. This is the best option for demanding ferns like the Maidenhair. ³¹
2. Grouping and Pebble Trays: Plants release moisture through transpiration. Grouping houseplants together creates a small microclimate with higher humidity. ⁴⁵ Alternatively, use a
   pebble tray . Place a layer of pebbles in the plant's saucer, fill it with water to just below the top of the pebbles, and set the pot on top. The evaporating water increases humidity around the plant. Ensure the pot is not sitting in the water. ³²
3. Location: Place ferns in naturally humid rooms, such as a bathroom (with adequate light) or a kitchen. ⁴⁶

Soil and Potting

The ideal soil for a fern should be peat-based, porous, and moisture-retentive, with good drainage, to mimic the rich humus of a forest floor. ³¹ A mix of equal parts potting soil, peat moss (or a sustainable alternative like coco coir), and perlite is effective. ³²

Choose a pot with at least one drainage hole. When repotting—typically every 1-2 years—select a new container only 1 to 2 inches larger in diameter. A pot that is too large can hold excess water, increasing the risk of root rot.

Fertilizing

Ferns are not heavy feeders and are susceptible to fertilizer burn if given too much. ³¹ A "less is more" approach is best.

During the growing season (spring through summer), feed monthly with a balanced, water-soluble liquid fertilizer (e.g., 20-20-20 ratio). ³⁴ Crucially,

dilute the fertilizer to half the strength recommended on the packaging. ³¹ Never fertilize during the fall and winter, when growth slows. Do not fertilize a newly repotted plant for at least four to six months. ³⁴ Brown, dry tips on fronds can be a sign of over-fertilizing.

Troubleshooting Guide

This guide helps diagnose and solve common fern problems, which are often related to light, water, or humidity. The information is based on guidance from horticultural experts. ¹¹⁸

Propagation and Styling

Propagating Ferns

While growing ferns from spores is complex, propagating them at home is easily done through division.

Rhizome Division (Most Common Method)

This method works for most house ferns that grow from a central root ball, such as the Boston Fern, Maidenhair Fern, and Bird's Nest Fern. The best time to divide is in the spring. ¹²²

1. Prepare the Plant: Water your fern thoroughly a day or two before you plan to divide it to ensure it is well-hydrated. ¹²²
2. Remove from Pot: Gently remove the entire plant from its container. It may help to turn the pot on its side and tap it to loosen the root ball. ¹²²
3. Divide the Root Ball: Lay the plant on its side. Using a clean, sharp knife, firmly cut the root ball into two or more sections. ¹²² Make sure each new division has a healthy clump of roots and several fronds.
4. Repot the Divisions: Plant each new section into its own pot with fresh potting mix, at the same depth it was growing previously. ¹²⁴
5. Aftercare: Water the newly potted divisions thoroughly. ¹²² To help them recover, keep them in a warm, shady spot with very high humidity for several weeks until new growth appears. You can create a temporary greenhouse by placing a clear plastic bag over the pot. ⁷⁴

Separating "Pups" and Plantlets

Some ferns produce small offsets or "pups." The Staghorn Fern, for example, produces small pups around its base that can be carefully cut away and mounted separately. ⁵¹ Other species, like the Mother Fern ( Asplenium bulbiferum ), grow tiny plantlets on their fronds. Once these have developed small fronds and their own roots, they can be gently removed and potted into moist soil. ³¹

Styling and Display

• Hanging Baskets: Hanging baskets are ideal for ferns with cascading fronds like the Boston Fern. This allows their foliage to drape freely. ¹²⁵
• Bathrooms: Use the high humidity of a bathroom to group different fern types. They will thrive there with less supplemental care. ⁴⁶
• Terrariums: A closed terrarium maintains the high humidity needed by delicate ferns like the Maidenhair Fern or Heartleaf Fern. ⁸²
• Kokedama (Moss Balls): This Japanese art form involves growing a plant in a soil ball wrapped in moss. It is a sculptural way to display smaller ferns like the Button Fern. To make one, create a ball from a mix of peat moss and bonsai soil, wrap the fern's root ball in damp sphagnum moss, place it in a hollow in the soil ball, then cover the sphere with sheet moss, securing it with twine. ¹²⁷

• Mounted Staghorn Plaques: Mounting a Staghorn Fern on a wooden plaque mimics its natural growth on tree trunks. To do this, create a mound of moist sphagnum moss on a piece of wood, place the fern's root ball on top, and secure the basal shield frond to the board using fishing line or non-copper wire. As the fern grows, its shield fronds will eventually attach to the plaque on their own. ⁵¹

Sustainable Practices

• Ethical Sourcing: The intense demand during the Victorian era led to the over-collection of wild ferns. ⁹ A similar black market exists for poached plants today. ¹⁰ Always source ferns from reputable nurseries that propagate their plants rather than collecting them from the wild. This protects wild populations. ¹³¹
• The Peat Problem: Peat moss is a major component of most potting soils because it retains moisture and provides acidity. ³¹ However, peat is harvested from peat bogs, fragile ecosystems that are massive carbon sinks. Harvesting peat releases stored carbon, contributing to climate change. ¹⁰ To be more sustainable, look for peat-free potting mixes that use renewable alternatives like coco coir, compost, or leaf mold.

Frequently Asked Questions About House Ferns

What are the most common house ferns?

The most popular house ferns include the Boston Fern, Maidenhair Fern, Bird's Nest Fern, Staghorn Fern, and Button Fern.

What is the easiest fern for a beginner?

The most tolerant ferns for average home conditions are best for beginners. The Austral Gem Fern is very durable. Other good choices include the Holly Fern (for low light), Bird's Nest Fern, Kangaroo Paw Fern, and Button Fern.

Which ferns are best for low light?

The Holly Fern (Cyrtomium falcatum) is very tolerant of shade. The Bird's Nest Fern (Asplenium nidus) and Austral Gem Fern (Asplenium 'Austral Gem') also do well in low light.

Why are my fern's leaves turning brown and crispy?

The most common cause is low humidity. Other causes include underwatering (letting the soil dry out completely) or mineral buildup from hard tap water.

Why are my fern's leaves turning yellow?

Yellowing fronds, especially when soft or mushy at the base, are almost always a sign of overwatering. When soil is constantly soggy, the roots can't breathe and begin to rot.

How do I increase humidity for my fern?

The most effective method is an electric room humidifier. Other good options include grouping plants together or placing the fern on a pebble tray. Misting provides only a temporary boost.

Are house ferns safe for cats and dogs?

Yes, the vast majority of true ferns are non-toxic to cats and dogs, according to the ASPCA. This includes popular types like the Boston, Maidenhair, and Staghorn fern. However, be cautious of plants like the Asparagus Fern (Asparagus aethiopicus), which is not a true fern and is toxic to pets. Always confirm a plant's scientific name.

How do I propagate my fern?

The easiest method is rhizome division. In the spring, remove the fern from its pot and use a clean knife to divide the root ball into smaller sections, each with roots and fronds, and repot them separately.

Works cited

1. www.amerfernsoc.org, https://www.amerfernsoc.org/about-ferns#:~:text=Ferns%20are%20one%20of%20the,Testo%20and%20Sundue%2C%202016).
2. About Ferns - American Fern Society, https://www.amerfernsoc.org/about-ferns
3. ferns: prehistoric plants - Somerset County 4-H, https://4histops.org/nature-inspired/ferns
4. The World According to Ferns | The Outside Story - Northern Woodlands magazine, https://northernwoodlands.org/outside_story/article/ferns
5. Unfurl the secrets of ferns | Natural History Museum, https://www.nhm.ac.uk/discover/ferns.html
6. Fern Fever - Narratives Details - The William & Lynda Steere Herbarium - New York Botanical Garden, https://sweetgum.nybg.org/science/the-hand-lens/explore/narratives-details/?irn=7001
7. Pteridomania – Friends of The Frelinghuysen Arboretum, https://www.arboretumfriends.org/pteridomania/
8. Pteridomania - Fern Madness - Historic UK, https://www.historic-uk.com/CultureUK/Pteridomania-Fern-Madness/
9. Pteridomania - Wikipedia, https://en.wikipedia.org/wiki/Pteridomania
10. The Houseplant Economy Is Thriving, But It Has a Dark Side - Ethos, https://the-ethos.co/are-houseplants-sustainable/
11. Victorian fern collecting (and overcollecting) - Narratives Details - The William & Lynda Steere Herbarium - New York Botanical Garden, https://sweetgum.nybg.org/science/the-hand-lens/explore/narratives-details/?irn=7103
12. The New York Botanical Garden: Ferns, https://www.nybg.org/bsci/herb/ferns.html
13. Fern Structure - USDA Forest Service, https://www.fs.usda.gov/wildflowers/beauty/ferns/structure.shtml
14. Ferns | EBSCO Research Starters, https://www.ebsco.com/research-starters/botany/ferns
15. All About Ferns: A Resource Guide, https://cpb-us-e1.wpmucdn.com/blogs.cornell.edu/dist/7/3643/files/2013/09/Fern-Guide-27sra8m.pdf
16. Fern Reproduction - USDA Forest Service, https://www.fs.usda.gov/wildflowers/beauty/ferns/reproduction.shtml
17. NASA Clean Air Study - Wikipedia, https://en.wikipedia.org/wiki/NASA_Clean_Air_Study
18. nasa-guide-to-indoor-plants.pdf - Eldercare Home Health, https://www.eldercarehomehealth.com/wp-content/uploads/2015/08/nasa-guide-to-indoor-plants.pdf
19. NASA compiles list of best plants to clean indoor air - CO2 Meter, https://www.co2meter.com/blogs/news/nasa-compiles-list-of-best-plants-to-clean-indoor-air
20. The Health Benefits of Biophilia Plants in Interiors — wellness design consultants - Biofilico, https://biofilico.com/news/air-purifying-plants-healthy-biophilic-interiors
21. Biophilia and healing: nature for trauma recovery and mental health - Plant Solutions, https://plantsolutions.com/biophilia-and-healing
22. Are Ferns Poisonous To Cats? | The Dog People by Rover.com, https://www.rover.com/blog/are-ferns-poisonous-to-cats/
23. Are Ferns Poisonous to Dogs? | The Dog People by Rover.com, https://www.rover.com/blog/are-ferns-poisonous-to-dogs/
24. Asparagus aethiopicus - Wikipedia, https://en.wikipedia.org/wiki/Asparagus_aethiopicus
25. Asparagus aethiopicus Profile - California Invasive Plant Council, https://www.cal-ipc.org/plants/profile/asparagus-aethiopicus-plant-profile/
26. Care Guide for the Asparagus Fern - The Green Mad House, https://thegreenmadhouse.com/plants/beginners-guide-to-the-asparagus-fern
27. Asparagus Fern | ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/asparagus-fern
28. Asparagus Fern Poisoning in Dogs - Symptoms, Causes, Diagnosis, Treatment, Recovery, Management, Cost - Wag!, https://wagwalking.com/condition/asparagus-fern-poisoning
29. Boston Fern - Ornamental Production Ornamental Production - Aggie Horticulture - Texas A&M University, https://aggie-horticulture.tamu.edu/ornamental/a-reference-guide-to-plant-care-handling-and-merchandising/selected-foliage-flowering-plants/foliage-plants/boston-fern/
30. Nephrolepis exaltata - Wikipedia, https://en.wikipedia.org/wiki/Nephrolepis_exaltata
31. Growing tropical ferns indoors | UMN Extension, https://extension.umn.edu/houseplants/tropical-ferns
32. Ferns for Indoors - Purdue University, https://www.purdue.edu/hla/sites/yardandgarden/wp-content/uploads/sites/2/2016/10/HO-141.pdf
33. lancastergardenclub.net, https://lancastergardenclub.net/Sys/Store/Products/260817#:~:text=Your%20fern%20won't%20like,either%20soggy%20or%20bone%20dry.
34. Indoor Ferns | Home & Garden Information Center - Clemson's HGIC, https://hgic.clemson.edu/factsheet/indoor-ferns/
35. Boston Fern | ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/boston-fern
36. Adiantum capillus-veneris - Plant Finder - Missouri Botanical Garden, https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=c345
37. Maidenhair Ferns - Missouri Department of Conservation, https://mdc.mo.gov/discover-nature/field-guide/maidenhair-ferns
38. Maidenhair Fern: Complete Plant Care & Growing Guide, https://www.gardeningknowhow.com/ornamental/foliage/maidenhair-fern/maidenhair-fern-care.htm
39. Maidenhair Fern Care Instructions – Plantify - Urban Nursery, https://plantify.co.za/pages/maidenhair-fern-care-instructions
40. Non-Toxic Plants That Won't Poison Your Pets - Apartment Therapy, https://www.apartmenttherapy.com/non-toxic-plants-that-wont-poison-your-pets-244311
41. Is Maidenhair Fern Toxic to Cats? - Cafe Planta, https://cafeplanta.com/a/blog/is-maidenhair-fern-toxic-to-cats
42. Asplenium nidus - Wikipedia, https://en.wikipedia.org/wiki/Asplenium_nidus
43. bird's nest fern - Asplenium nidus - RHS Plants, https://www.rhsplants.co.uk/plants/_/asplenium-nidus/classid.2000028174/
44. Asplenium nidus (Bird's Nest Fern) - The Belmont Rooster, https://thebelmontrooster.com/families-of-familiar-plants/aspleniaceae-family/asplenium-nidus-birds-nest-fern/
45. Bird's Nest Fern Care Guide - Asplenium nidus - Healthy Houseplants, https://www.healthyhouseplants.com/indoor-houseplants/birds-nest-fern-care-guide-asplenium-nidus/
46. Growing Bird's Nest Fern As Houseplants? Don't Ignore These Guidelines, https://horticulture.co.uk/asplenium/
47. Victoria Bird's Nest Fern - Rooting For You, https://www.rootingforyou.us/birds-nest-fern
48. Pet-safe Houseplants for Your Home - Elanco, https://yourpetandyou.elanco.com/us/health-and-care/pet-safe-houseplants
49. Mother Fern - ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/mother-fern
50. Platycerium - Wikipedia, https://en.wikipedia.org/wiki/Platycerium
51. Staghorn Fern – Gardening Solutions, https://gardeningsolutions.ifas.ufl.edu/plants/ornamentals/staghorn-fern/
52. Mounting Staghorn Ferns - The Martha Stewart Blog, https://www.themarthablog.com/2018/03/mounting-staghorn-ferns.html
53. Staghorn Fern, Platycerium bifurcatum - Wisconsin Horticulture, https://hort.extension.wisc.edu/articles/staghorn-fern-platycerium-bifurcatum/
54. Staghorn Ferns For Florida | PDF - Scribd, https://www.scribd.com/document/86183635/Staghorn-Ferns-for-Florida
55. Common Staghorn Fern | ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/common-staghorn-fern
56. Toxic and Non-Toxic Plant List - Dogs - ASPCA, https://www.aspca.org/pet-care/animal-poison-control/dogs-plant-list
57. Fact sheet: Rabbit's Foot Fern - UF/IFAS Extension Nassau County, https://blogs.ifas.ufl.edu/nassauco/2017/06/09/fact-sheet-rabbits-foot-fern/
58. Davallia fejeensis - Plant Finder - Missouri Botanical Garden, https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=b587
59. Rabbit's Foot Fern (Davallia fejeensis): All You Need To Know, https://www.gardenia.net/plant/davallia-fejeensis-rabbit-foot-fern-grow-care-guide
60. How to care for a Rabbits Foot Fern - Plantsome, https://plantsome.ca/blogs/plantengids/how-to-care-for-a-rabbits-foot-fern
61. Davallia fejeensis - Wikipedia, https://en.wikipedia.org/wiki/Davallia_fejeensis
62. Rabbits Foot Fern | ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/rabbits-foot-fern
63. Hare Fern | ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/hare-fern
64. Dainty Rabbits-Foot Fern - ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/dainty-rabbits-foot-fern
65. Pellaea rotundifolia - Wikipedia, https://en.wikipedia.org/wiki/Pellaea_rotundifolia
66. Button Fern (Pellaea rotundifolia): All You Need To Know, https://www.gardenia.net/plant/pellaea-rotundifolia-button-fern
67. Button Fern - Kansas State University, https://www.shawnee.k-state.edu/lawn-garden/Fern%20Button.pdf
68. Cliff Brake | ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/cliff-brake
69. Kangaroo Paw Fern (Microsorum diversifolium) Care Guide - Healthy Houseplants, https://www.healthyhouseplants.com/indoor-houseplants/kangaroo-paw-fern-microsorum-diversifolium-care-guide/
70. Kangaroo Fern For Sale Including Care Guide | Lively Root, https://www.livelyroot.com/products/kangaroo-fern
71. Kangaroo Fern Care Instructions – Plantify - Urban Nursery, https://plantify.co.za/pages/kangaroo-fern-care-instructions
72. Nephrolepis cordifolia 'Duffii' - online at Foliage Factory, https://www.foliage-factory.com/nephrolepis-cordifolia-duffii
73. plants.longfellowsgreenhouses.com, http://plants.longfellowsgreenhouses.com/12100007/Plant/25043/Lemon_Buttons_Fern/#:~:text=This%20houseplant%20performs%20well%20in,will%20not%20tolerate%20standing%20water.
74. Lemon Button Fern For Sale | Care Guide & Growing Tips | Lively Root, https://www.livelyroot.com/products/lemon-button-fern
75. Duffii Fern | ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/duffii-fern
76. Holly Fern - UF/IFAS Extension, https://sfyl.ifas.ufl.edu/media/sfylifasufledu/santa-rosa/docs/pdfs/demo-garden-1/Holly-Fern.pdf
77. Cyrtomium falcatum - Wikipedia, https://en.wikipedia.org/wiki/Cyrtomium_falcatum
78. Japanese Holly Fern Care Instructions - Plantify, https://plantify.co.za/pages/japanese-holly-fern-care-instructions
79. Holly Fern – Gardening Solutions, https://gardeningsolutions.ifas.ufl.edu/plants/ornamentals/holly-fern/
80. Holly Fern | ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/holly-fern
81. Japanese Holly Fern | ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/japanese-holly-fern
82. Heart Leaf Fern Info - How To Grow A Heart Fern Houseplant ..., https://www.gardeningknowhow.com/ornamental/foliage/heart-leaf-fern/growing-heart-ferns.htm
83. Hemionitis arifolia - North Carolina Extension Gardener Plant Toolbox, https://plants.ces.ncsu.edu/plants/hemionitis-arifolia/
84. How to care for a Heart Fern - Plantsome, https://plantsome.ca/blogs/plantengids/how-to-care-for-a-heart-fern
85. Rare Floating Heart Fern - Hemionitis arifolia - 2.5" Pot - Hirt's Gardens, https://hirts.com/rare-floating-heart-fern-hemionitis-arifolia-2-5-pot-easy-to-grow-fern/
86. heart leaf fern tips : r/ferns - Reddit, https://www.reddit.com/r/ferns/comments/1bnhrom/heart_leaf_fern_tips/
87. Heartleaf Philodendron | ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/heartleaf-philodendron
88. Cordatum - ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/cordatum
89. www.whiteflowerfarm.com, https://www.whiteflowerfarm.com/how-to-grow-pteris#:~:text=The%20Striped%20Cretan%20Brake%20Fern,cut%20back%20at%20the%20base.
90. Pteris cretica - Wikipedia, https://en.wikipedia.org/wiki/Pteris_cretica
91. Growing Pteris (Striped Cretan Brake Fern) - White Flower Farm, https://www.whiteflowerfarm.com/how-to-grow-pteris
92. Brake Fern (Pteris cretica): Complete Care Guide and Benefits - Healthy Houseplants, https://www.healthyhouseplants.com/indoor-houseplants/brake-fern-pteris-cretica-complete-care-guide-and-benefits/
93. Brake Fern | ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/brake-fern
94. Bracken Fern - ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/bracken-fern
95. Fluffy Ruffles Fern - Houseplants from Studleys, https://houseplants.studleys.com/product/fluffy-ruffles-fern/
96. Fluffy Ruffles Fern | Birmingham Plant Delivery - Norton's Florist, https://www.nortonsflorist.com/plants/fluffy-ruffles-fern/
97. Fern Fluffy Ruffle 6 - Hanna's Garden Shop, https://hannasgardenshop.com/item/3313/FERN-FLUFFY-RUFFLE-6
98. Fluffy Ruffles - ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/fluffy-ruffles
99. How to Care For a Boston Fern Fluffy Ruffles | The Sill, https://www.thesill.com/pages/how-to-care-for-a-boston-fern-fluffy-ruffles
100. bird's nest fern - Asplenium nidus 'Crispy Wave' (PBR) - RHS Plants, https://www.rhsplants.co.uk/plants/_/asplenium-nidus-crispy-wave-pbr/classid.2000028816/sku.HP30000168/
101. Crispy Wave Fern - Shop Weston Nurseries, https://shop.westonnurseries.com/products/crispy-wave-fern-8249.html
102. Crispy Wave Fern - Fantastic Gardens, https://fantasticgardensofli.com/products/crispy-wave-fern
103. Caring for Crispy Wave Fern - Adams Fairacre Farms, https://adamsfarms.com/gardentips/caring-for-crispy-wave-fern/
104. thenunheadgardener.com, https://thenunheadgardener.com/product/indoor-pots-2/house-plants/all-house-plants/asplenium-nid-crispy-wave/#:~:text=Being%20a%20tropical%20plant%2C%20the,this%20could%20cause%20root%20rot.
105. Crispy Wave Fern - Elegant and Easy-Care Indoor Plant - Mygreenscape, https://mygreenscape.ca/products/crispy-wave-fern
106. Is bird's-nest fern 'Crispy Wave' toxic to cats? - PictureThis, https://www.picturethisai.com/ask/Asplenium_nidus__Crispy_Wave_-3.html
107. Austral Gem™ Bird's Nest Fern - Monrovia, https://www.monrovia.com/austral-gem-153-bird-s-nest-fern.html
108. Austral Gem Fern Care, https://www.greenladygardens.com/post/austral-gem-fern-care
109. Austral Gem Fern - Trendy Gardener, https://trendygardenclub.com/products/austral-gem-fern
110. plantaddicts.com, https://plantaddicts.com/austral-gem-fern#:~:text=The%20Austral%20Gem%20Fern%20has,can%20live%20in%20medium%20humidity.
111. Austral Gem Fern - Fantastic Gardens, https://fantasticgardensofli.com/products/austral-gem-fern-asplenium-x-austral-gem
112. Austral Gem Fern - Horti, https://heyhorti.com/products/austral-gem-fern
113. Asparagus Fern 101: How to Care for Asparagus Ferns - Bloomscape, https://bloomscape.com/plant-care-guide/asparagus-fern/
114. How to Grow and Care for Asparagus Fern - The Spruce, https://www.thespruce.com/grow-asparagus-ferns-1902714
115. How to Care for Asparagus Fern - Expert Tips for Thriving Plants, https://plnts.com/en/care/houseplants-family/asparagus
116. Asparagus Fern Are Toxic To Pets | Pet Poison Helpline®, https://www.petpoisonhelpline.com/poison/asparagus-fern/
117. Growing and caring for Ferns as houseplants, the complete guide - Gardening4Joy, https://www.gardening4joy.com/growing-and-caring-for-ferns-as-houseplants-the-complete-guide/
118. Problems and Diseases in Ferns: How to Identify and Treat Them - Plantje van Mandje, https://www.plantjevanmandje.nl/en/post/problems-and-diseases-in-ferns-how-to-identify-and-treat-them
119. Growing Nephrolepis (Lemon Button Fern) - White Flower Farm, https://www.whiteflowerfarm.com/how-to-grow-nephrolepis-lemonbutton-fern
120. Most Common Fern Problems Explained - ukhouseplants, https://www.ukhouseplants.com/plants/common-fern-problems
121. What am i doing wrong with my fern? : r/plantclinic - Reddit, https://www.reddit.com/r/plantclinic/comments/17vtx2b/what_am_i_doing_wrong_with_my_fern/
122. How to Divide Ferns: 13 Steps (with Pictures) - wikiHow, https://www.wikihow.com/Divide-Ferns
123. Propagating Ferns - Plant Addicts, https://plantaddicts.com/propagating-ferns/
124. Fern Propagation - Gardening for Beginners!, https://viviannetoddblog.wordpress.com/2014/09/21/fern-propogation/
125. 15 Stunning Ferns Ideas to Enhance Your Front Porch - A House in the Hills, https://ahouseinthehills.com/stunning-ferns-ideas-to-enhance-your-front-porch/
126. Add Ferns for Summer Interest – Costa Farms, https://costafarms.com/blogs/get-growing/add-ferns-for-summer-interest
127. www.bhg.com, https://www.bhg.com/gardening/houseplants/diy-kokedama/#:~:text=Mix%20peat%20moss%20and%20bonsai,and%20spritz%20it%20with%20water.
128. First ever kokedama! Decided I'd give a step-by-step in case anyone else wants to try! : r/houseplants - Reddit, https://www.reddit.com/r/houseplants/comments/ma6kb8/first_ever_kokedama_decided_id_give_a_stepbystep/
129. How to Mount a Staghorn Fern: A Beginner's Guide - Lively Root, https://www.livelyroot.com/blogs/plant-care/how-to-mount-a-staghorn-fern
130. DIY Staghorn Fern Plaque - Mulhall's, https://mulhalls.com/garden-home/blog/diy-staghorn-fern-plaque/
131. Ethics and Native Plants - USDA Forest Service, https://www.fs.usda.gov/wildflowers/ethics/index.shtml
132. Fern fossils | Earth Sciences Museum | University of Waterloo, https://uwaterloo.ca/earth-sciences-museum/resources/history-life/carboniferous-period/pennsylvanian-sub-period/fern-fossils
133. Victorian Fern Fever - Brunel's SS Great Britain, https://www.ssgreatbritain.org/victorian-fern-fever/
134. Parts of a fern - Science Learning Hub, https://www.sciencelearn.org.nz/videos/598-parts-of-a-fern
135. NASA Approved Air Purifying Plants | Marcum's Nursery | Goldsby, OK, https://marcumsnursery.com/nasa-approved-plants/
136. Boston Fern Production Guide - Mid-Florida Research and Education Center, https://mrec.ifas.ufl.edu/foliage/folnotes/bostonF.htm
137. Adiantum pedatum - Plant Finder - Missouri Botanical Garden, https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=285642
138. The Different Types of Button Fern: A Comprehensive Guide - Cafe Planta, https://cafeplanta.com/a/blog/the-different-types-of-button-fern-a-comprehensive-guide
139. Is Boston Fern Toxic to Cats and Dogs? A Comprehensive Toxicity Guide - Lively Root, https://www.livelyroot.com/blogs/plant-care/boston-fern-toxicity-guide
140. Cat safe alternative? : r/houseplants - Reddit, https://www.reddit.com/r/houseplants/comments/1izo87p/cat_safe_alternative/
141. Is Staghorn Fern Toxic to Cats? - Cafe Planta, https://cafeplanta.com/a/blog/is-staghorn-fern-toxic-to-cats
142. www.monrovia.com, https://www.monrovia.com/kangaroo-paw-fern.html#:~:text=Plant%20in%20indoor%20plant%20potting,food%20diluted%20to%20half%20strength.
143. Types of Holly Fern: A Comprehensive Guide - Cafe Planta, https://cafeplanta.com/a/blog/types-of-holly-fern-a-comprehensive-guide
144. How to Grow and Care for Cretan brake - PictureThis, https://www.picturethisai.com/care/Pteris_cretica.html
145. Toxic and Non-Toxic Plant List — Cats - ASPCA, https://www.aspca.org/pet-care/animal-poison-control/cats-plant-list
146. Which plants are safe - and NOT safe - for cats? - Love of a Cat, https://loveofacat.com/2010/12/which-house-plants-are-safe-for-cats/
147. Fiddle-Leaf | ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/fiddle-leaf
148. Crispy Wave Care | Aerify Plants, https://www.aerifyplants.com/crispy-wave-care
149. Complete guide to silver lace fern care | Patch, https://www.patchplants.com/pages/plant-care/complete-guide-to-silver-lace-fern-care/
150. Pteris Ensiformis "Silver Lace Fern" Care Guide | Vivarium Plants - Bantam.earth, https://bantam.earth/silver-lace-fern-pteris-ensiformis/
151. Guide to Caring for Your Silver Lace Fern - Mygreenscape, https://mygreenscape.ca/blogs/news/guide-to-caring-for-your-silver-lace-fern
152. Austral Gem Fern Care: What to Know - YouTube, https://www.youtube.com/watch?v=t-NllahHCVg
153. blacklotuslandscaping.com, https://blacklotuslandscaping.com/blog/maidenhair-fern-care#:~:text=By%20providing%20it%20with%20the,Maidenhair%20Fern's%20health%20and%20vitality.
154. FPS13/FP013: Adiantum spp. Maidenhair Fern - University of Florida, https://edis.ifas.ufl.edu/publication/FP013
155. Nephrolepis cordifolia 'Duffii' (Lemon Button Fern) - Diameter Plants, https://diameterplants.com/products/nephrolepis-cordifolia
156. varnishandvine.com, https://varnishandvine.com/blogs/cactus-and-plant-information/silver-lace-fern-care-guide#:~:text=The%20Silver%20Lace%20Fern%20thrives,curl%20up%20and%20turn%20brown.
157. Is Silver Lace Fern Toxic to Cats? - Cafe Planta, https://cafeplanta.com/a/blog/is-silver-lace-fern-toxic-to-cats
158. Silver Table Fern - ASPCA, https://www.aspca.org/pet-care/animal-poison-control/toxic-and-non-toxic-plants/silver-table-fern