Brake Fern vs Peacock Moss Plant Comparison

Compare these two plants side by side — care needs, key differences, and which is right for your home.

Brake Fern

Brake Fern

Pteridium aquilinum

VS
Peacock Moss

Peacock Moss

Selaginella willdenowii

Brake Fern

Brake Fern

Pteridium aquilinum

Bracken fern is a large, coarse, deciduous fern characterized by its widely creeping rhizomes and erect, triangular fronds. It is one of the most widely distributed ferns in the world, thriving in diverse habitats from open woodlands to heathlands. Its fronds can reach impressive sizes, often exceeding 1 meter in height. While valued for its adaptability and soil-stabilizing properties in natural landscapes, it is generally not cultivated as an indoor plant due to its size, specific environmental needs, and potential toxicity. People may encounter it in the wild or in large outdoor gardens.

Dennstaedtiaceae Cosmopolitan; found worldwide except for Antarctica
✨ Features: Soil stabilization, wildlife habitat
📖 Read Complete Brake Fern Guide
Peacock Moss

Peacock Moss

Selaginella willdenowii

Peacock Moss is a fern-like plant, though technically a spikemoss, known for its iridescent blue-green foliage. The leaves appear to shimmer with a metallic sheen, creating a rainbow effect in the right light. It's a low-growing, spreading plant that thrives in humid environments. While it can be grown indoors, it requires specific conditions to flourish, making it more challenging than many common houseplants. It is grown for its unique foliage and visual appeal.

Selaginellaceae Southeast Asia (Malaysia, Singapore, Indonesia, Philippines)
✨ Features: Iridescent blue-green foliage, unique texture
📖 Read Complete Peacock Moss Guide

Quick Plant Comparison

Feature Brake Fern Peacock Moss
Light Full sun to partial shade Bright, indirect light. Avoid direct sunlight, which can scorch the delicate foliage.
Watering Every 5-7 days outdoors during the growing season, less frequently in dormancy. Every 2-3 days, depending on humidity and temperature
Humidity 30-60% 70-90%
Temperature 10-25°C 18-24°C
Care Level Expert Moderate
Growth Rate Fast Moderate
Max Height 0.5-2 meters outdoors 15-30 cm
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-drained, slightly acidic soil rich in organic matter Well-draining, moisture-retentive mix such as peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 15 minutes weekly outdoors (controlling spread, removing dead fronds) 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Brake Fern

Scientific Name Pteridium aquilinum
Family Dennstaedtiaceae
Native To Cosmopolitan; found worldwide except for Antarctica
Also Known As Bracken Fern, Eagle Fern, Hog Pasture Fern
Leaves Large, triangular fronds that are deeply divided into multiple segments (pinnate-pinnatifid). The fronds are typically green but can turn brown in the fall. The texture is coarse and leathery.
Flowers Ferns do not produce flowers. They reproduce via spores, which are located on the underside of the fronds in structures called sori.

Peacock Moss

Scientific Name Selaginella willdenowii
Family Selaginellaceae
Native To Southeast Asia (Malaysia, Singapore, Indonesia, Philippines)
Also Known As Peacock Moss, Willdenow's Spikemoss, Rainbow Moss
Leaves The leaves are small, scale-like, and arranged in overlapping rows along the stems. They have a delicate, feathery appearance. The color is typically a vibrant blue-green with an iridescent sheen that appears to shift depending on the angle of light.
Flowers Peacock Moss rarely, if ever, flowers indoors.

📏 Size & Growth — Plant Comparison

Brake Fern

Height 0.5-2 meters outdoors
Spread Extensive spread via rhizomes, can be aggressive
Growth Rate Fast
Growth Pattern Spreads aggressively via underground rhizomes, forming large colonies. Fronds emerge vertically from the rhizomes, creating a dense ground cover.

Peacock Moss

Height 15-30 cm
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern It grows as a low-spreading, fern-like plant. It forms a dense mat of foliage, with stems that branch out horizontally. It does not climb or vine.

🌱 Propagation — Comparing Plant Growth

Brake Fern

Methods: Rhizome division, spores

Difficulty: Moderate

Tips: Divide rhizomes in early spring or late fall. Spores require a humid environment and can be challenging to germinate.

Peacock Moss

Methods: Stem cuttings, Division

Difficulty: Moderate

Tips: Take stem cuttings and place them in a humid environment, such as a terrarium or under a humidity dome. Keep the soil consistently moist. Division can be done when repotting, separating the plant into smaller clumps.

✨ Benefits & Features — Comparing Plant Value

Brake Fern

Bracken fern is one of the most widespread ferns in the world, known for its adaptability and aggressive spreading habit. Its large, triangular fronds and creeping rhizomes distinguish it from other ferns.

  • ✓ Soil stabilization and erosion control.
  • ✓ Provides habitat and cover for wildlife.
  • ✓ Adaptable to a wide range of soil conditions.
  • ✓ Adds a natural, wild aesthetic to the landscape.
  • ✓ Relatively low-maintenance once established.
  • ⚠️ Toxic to pets

Peacock Moss

The iridescent blue-green foliage is its most striking feature, creating a shimmering effect that is rare among houseplants. Unlike true mosses, it has vascular tissue, allowing it to grow taller and more upright.

  • ✓ Adds a unique and visually appealing element to your indoor space.
  • ✓ Creates a calming and relaxing atmosphere.
  • ✓ Can help to increase humidity levels in the surrounding area.
  • ✓ Offers a connection to nature and a sense of tranquility.
  • ✓ Provides an interesting talking point for guests.
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Brake Fern

Repotting Not typically grown in pots; if containerized, repot every 1-2 years to manage rhizome growth.
Pruning Remove dead or damaged fronds as needed.
Fertilizing Apply a balanced, slow-release fertilizer in spring. Avoid over-fertilizing, as bracken fern is adapted to nutrient-poor soils.
Seasonal Care Cut back dead fronds in late fall or early spring. Reduce watering during dormancy. Protect from extreme winter cold in colder climates.

Peacock Moss

Repotting Every 1-2 years, or when the plant becomes root-bound.
Pruning Trim any brown or damaged foliage to maintain appearance and prevent the spread of disease.
Fertilizing Diluted liquid fertilizer (half strength) every 2-4 weeks during the growing season (spring and summer). Do not fertilize in the winter.
Seasonal Care In winter, reduce watering slightly as growth slows. Maintain humidity levels. In summer, ensure adequate moisture and protect from direct sunlight.

🌞 Light Requirements

Brake Fern

Full sun to partial shade

Low light tolerant: ❌ No

Peacock Moss

Bright, indirect light. Avoid direct sunlight, which can scorch the delicate foliage.

Low light tolerant: ❌ No

💧 Watering Needs

Brake Fern

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to rhizome rot. Bracken fern prefers consistently moist but well-drained soil. Signs of underwatering include drooping or browning fronds. Overwatering can cause yellowing and mushy rhizomes.

Peacock Moss

Keep the soil consistently moist but not waterlogged. Water when the top inch of soil feels slightly dry. Overwatering can lead to root rot, while underwatering will cause the foliage to dry out and turn brown. Use distilled or rainwater to avoid mineral buildup.

🌡️ Temperature & Humidity

Brake Fern

Temperature: 10-25°C

Humidity: 30-60%

Peacock Moss

Temperature: 18-24°C

Humidity: 70-90%

🤔 Which Plant Is Right For You?

Brake Fern

Brake Fern

Pteridium aquilinum
Care: Expert Time: 15 minutes weekly outdoors (controlling spread, removing dead fronds) Beginner: No

Experienced gardeners looking to fill a large outdoor space with a hardy, adaptable fern.

✅ Choose This Plant If...

  • You have a large outdoor space to fill with a low-maintenance ground cover.
  • You want a plant that is highly adaptable to different soil types.
  • You need a plant that can help stabilize soil and prevent erosion.
  • You want to create a naturalistic woodland garden.
  • You are looking for a plant that provides habitat for wildlife.

❌ Skip This Plant If...

  • You have limited space, as it spreads aggressively.
  • You have pets or small children due to its toxicity.
  • You are looking for an easy-to-care-for indoor plant.
📍 Ideal Location: Outdoors in a woodland garden, naturalized area, or large container.
🎨 Style: Naturalistic, Woodland, Wild Garden
🏠 Apartment Friendly: No
⚠️ All parts of the plant are toxic to dogs, cats, and horses. Contains thiaminase, which can lead to vitamin B1 deficiency. Symptoms include incoordination, muscle tremors, seizures, and weight loss. Also contains carcinogens.
Peacock Moss

Peacock Moss

Selaginella willdenowii
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

Experienced plant enthusiasts who can provide the high humidity and consistent moisture this plant needs.

✅ Choose This Plant If...

  • You are looking for a unique and visually striking plant.
  • You can provide a high-humidity environment, such as a terrarium.
  • You enjoy a plant that requires a bit more attention and care.
  • You want a plant with a distinctive iridescent sheen.
  • You are looking for a plant that stays relatively small and compact.

❌ Skip This Plant If...

  • You struggle to maintain high humidity levels in your home.
  • You tend to overwater or underwater your plants.
  • You are looking for a low-maintenance plant.
  • You don't have a bright, indirect light source available.
📍 Ideal Location: Bathroom, terrarium, or near a humidifier.
🎨 Style: Tropical, Eclectic, Woodland
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, Selaginella species are generally considered non-toxic to dogs, cats, and horses.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Peacock Moss ✓
Less Maintenance Similar effort
Apartment Friendly Peacock Moss

⚡ Key Differences Between These Plants

🎯

Brake Fern is rated Expert care level, while Peacock Moss is Moderate.

📈

Brake Fern has fast growth, while Peacock Moss grows moderate.

💡 Pro Tips For Comparing These Plants

Brake Fern Care Tips

Bracken fern is primarily an outdoor plant and is challenging to grow indoors due to its size, light requirements, and aggressive spreading habit. It requires ample space, well-drained soil, and specific humidity levels. It is also toxic to pets, making it a less desirable indoor plant.

  • Provide ample space for the plant to spread.
  • Monitor for signs of rhizome rot and adjust watering accordingly.
  • Control spread by using physical barriers or regular pruning.
  • Fertilize sparingly, as bracken fern is adapted to nutrient-poor soils.
  • Remove dead fronds in late fall or early spring to maintain a tidy appearance.
❄️ Winter: Cut back dead fronds. In colder climates, provide a layer of mulch to protect the rhizomes from freezing temperatures. Reduce watering significantly.
☀️ Summer: Ensure adequate moisture, especially during dry periods. Provide some shade during the hottest part of the day to prevent frond burn. Monitor for pests and diseases.

Peacock Moss Care Tips

Peacock Moss requires high humidity and consistent moisture, making it more challenging to grow indoors than many common houseplants. It thrives in terrariums or enclosed environments where humidity can be maintained. Proper lighting is crucial to maintain its iridescent color. It is not drought-tolerant.

  • Maintain high humidity by misting regularly or using a humidifier.
  • Use distilled or rainwater to avoid mineral buildup in the soil.
  • Provide bright, indirect light to maintain the iridescent color.
  • Ensure good air circulation to prevent fungal diseases.
  • Repot in spring to refresh the soil and provide more space for growth.
❄️ Winter: Reduce watering slightly during the winter months as growth slows. Maintain humidity levels and avoid placing the plant near cold drafts.
☀️ Summer: Ensure adequate moisture during the summer months, as the plant may dry out more quickly. Protect from direct sunlight to prevent scorching.

⚠️ Common Problems & Solutions — Plant Care Comparison

Brake Fern

Common Issues: Rhizome rot, insect infestations (e.g., aphids, scale), spreading aggressively
Solutions: Ensure well-drained soil to prevent rhizome rot. Treat insect infestations with insecticidal soap or neem oil. Control spread by containing rhizomes with barriers.

Peacock Moss

Common Issues: Brown leaf tips, Fungal diseases, Lack of iridescent color, Root rot
Solutions: Increase humidity, improve air circulation, provide proper lighting, ensure well-draining soil and avoid overwatering.

❓ Frequently Asked Questions — Comparing These Plants

Brake Fern

What are the light requirements for Brake Fern?

Brake Ferns require bright, indirect light to thrive. Direct sunlight can scorch their delicate fronds, causing browning and damage. The ideal location is near an east-facing window or a few feet away from a south- or west-facing window with sheer curtains to filter the light. Insufficient light can lead to leggy growth and pale foliage. If your fern isn’t getting enough natural light, consider supplementing with a grow light. Rotate the plant regularly to ensure even exposure to light, promoting balanced growth on all sides. Monitor the plant’s foliage for signs of light stress, adjusting its position as needed to maintain healthy, vibrant growth.

How do I care for Brake Fern?

Brake Ferns thrive in bright, indirect light and consistently moist soil. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain high humidity by misting regularly or using a humidifier. The ideal temperature range is between 65-75°F (18-24°C). Fertilize monthly during the growing season (spring and summer) with a diluted, balanced liquid fertilizer. Repot in spring every 1-2 years into a slightly larger pot with well-draining potting mix. Prune away any yellowing or dead fronds to encourage new growth and maintain a tidy appearance. Protect from drafts and sudden temperature changes. Monitor for pests such as mealybugs or scale and treat promptly if detected. Proper air circulation is essential to prevent fungal diseases.

How do I propagate Brake Fern?

Brake Ferns can be propagated through division or by spores. For division, carefully separate the rhizome into sections, ensuring each section has healthy fronds and roots. Plant each section in its own pot with well-draining potting mix. To propagate by spores, collect spores from mature fronds and sow them on a moist, sterile growing medium in a humid environment. Keep the medium consistently moist and provide bright, indirect light. Spores require patience as they take several weeks to germinate. Once small plantlets develop, transplant them into individual pots. Both methods are best done in spring. Ensure high humidity during propagation for best results.

Peacock Moss

What are the light requirements for Peacock Moss?

Peacock Moss requires bright, indirect light to maintain its vibrant coloration and healthy growth. Direct sunlight can scorch its delicate foliage, so it’s best to avoid placing it in a location where it will receive intense sun exposure. An east-facing window or a spot a few feet away from a south- or west-facing window is ideal. If the plant is not receiving enough light, its colors may become dull and less vibrant. Supplemental lighting, such as a grow light, can be used if natural light is insufficient. Rotate the plant periodically to ensure even light exposure on all sides. The goal is to mimic the filtered light conditions of its natural rainforest habitat.

How do I care for Peacock Moss?

Peacock Moss thrives in consistently moist, humid conditions. Water thoroughly when the top inch of soil feels slightly dry, using distilled or rainwater to avoid mineral buildup. Maintain high humidity by misting regularly, using a humidifier, or placing the plant on a pebble tray filled with water. Provide bright, indirect light, avoiding direct sunlight which can scorch the delicate foliage. The ideal temperature range is between 65-75°F (18-24°C). Plant in a well-draining, moisture-retentive potting mix such as a mix of peat moss, perlite, and vermiculite. Fertilize sparingly during the growing season (spring and summer) with a diluted liquid fertilizer. Prune any dead or yellowing fronds to encourage healthy growth. Regularly check for pests and address any infestations promptly. A terrarium is an ideal environment for this plant.

How do I propagate Peacock Moss?

Peacock Moss can be propagated through division or spores. For division, gently separate the plant into smaller clumps, ensuring each clump has healthy roots and foliage. Plant each division in a well-draining, moisture-retentive potting mix. Keep the divisions consistently moist and humid until they are established. Spore propagation is more challenging but can be achieved by collecting spores from mature fronds and sowing them on a sterile substrate. Maintain high humidity and provide indirect light. Division is the easier and more common method. Successful propagation requires patience and consistent care. Provide a warm and humid environment for best results.

Last updated: April 30, 2026 — Plant care data reviewed and verified by our editorial team.