Brake Fern vs Montbretia 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
Montbretia

Montbretia

Crocosmia × crocosmiiflora

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
Montbretia

Montbretia

Crocosmia × crocosmiiflora

Montbretia (Crocosmia × crocosmiiflora) is a cormous perennial plant known for its vibrant, arching sprays of orange, red, and yellow flowers. It typically grows to a height of 60-90 cm (2-3 feet). It is primarily an outdoor plant, valued for its summer blooms and ability to attract hummingbirds and butterflies. While it can be grown in containers, it's not ideally suited for indoor environments due to its high light requirements and potential for aggressive spread via corms.

Iridaceae Hybrid origin (Crocosmia aurea × Crocosmia pottsii), South Africa
✨ Features: Attracts hummingbirds and butterflies.
📖 Read Complete Montbretia Guide

Quick Plant Comparison

Feature Brake Fern Montbretia
Light Full sun to partial shade Full sun to partial shade outdoors. Requires at least 6 hours of direct sunlight for optimal flowering.
Watering Every 5-7 days outdoors during the growing season, less frequently in dormancy. 2-3 times per week during the growing season, less frequently during dormancy.
Humidity 30-60% 40-60%
Temperature 10-25°C 15-25°C
Care Level Expert Expert
Growth Rate Fast Fast, Aggressive Spreader Via Corms.
Max Height 0.5-2 meters outdoors 60-90 cm (2-3 feet)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-drained, slightly acidic soil rich in organic matter Well-draining soil, such as a mix of loam, sand, and compost.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly outdoors (controlling spread, removing dead fronds) 15 minutes weekly during growing season.

🔬 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.

Montbretia

Scientific Name Crocosmia × crocosmiiflora
Family Iridaceae
Native To Hybrid origin (Crocosmia aurea × Crocosmia pottsii), South Africa
Also Known As Montbretia, Coppertips, Falling Stars
Leaves The leaves are sword-shaped, upright, and mid-green, growing from the base of the plant. They are typically 30-60 cm long and 1-2 cm wide.
Flowers Flowers bloom in summer, producing vibrant orange, red, or yellow trumpet-shaped flowers arranged in arching sprays. Rarely 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.

Montbretia

Height 60-90 cm (2-3 feet)
Spread Spreads indefinitely via corms, forming clumps.
Growth Rate Fast, Aggressive Spreader Via Corms.
Growth Pattern Grows from corms, forming clumps that spread via underground corms. The flower stalks arch gracefully, displaying multiple blooms.

🌱 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.

Montbretia

Methods: Division of corms, Seed

Difficulty: Easy

Tips: Divide corms in spring or fall. Sow seeds in spring after a period of cold stratification.

✨ 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

Montbretia

Montbretia's vibrant, arching flower sprays and ability to attract hummingbirds make it a standout in the garden. Its aggressive spreading habit, while a potential drawback, also allows it to quickly fill in garden spaces.

  • ✓ Attracts pollinators
  • ✓ Adds vibrant color to the garden
  • ✓ Relatively low-maintenance once established
  • ✓ Provides long-lasting summer blooms
  • ✓ Can be used in cut flower arrangements
  • ⚠️ Toxic to pets

📅 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.

Montbretia

Repotting Not typically grown indoors in pots. If grown in containers, repot annually or bi-annually to manage corm proliferation.
Pruning Remove spent flower stalks to encourage further blooming.
Fertilizing Balanced fertilizer (10-10-10) in spring and after flowering.
Seasonal Care In spring, fertilize and ensure adequate watering. In summer, provide full sun and monitor for pests. In fall, reduce watering and divide corms if needed. In winter, provide a layer of mulch for protection in colder climates.

🌞 Light Requirements

Brake Fern

Full sun to partial shade

Low light tolerant: ❌ No

Montbretia

Full sun to partial shade outdoors. Requires at least 6 hours of direct sunlight for optimal flowering.

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.

Montbretia

Water regularly during the growing season, keeping the soil consistently moist but not waterlogged. Reduce watering after flowering and during dormancy. Overwatering can lead to corm rot, while underwatering can cause stunted growth and reduced flowering.

🌡️ Temperature & Humidity

Brake Fern

Temperature: 10-25°C

Humidity: 30-60%

Montbretia

Temperature: 15-25°C

Humidity: 40-60%

🤔 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.
Montbretia

Montbretia

Crocosmia × crocosmiiflora
Care: Expert Time: 15 minutes weekly during growing season. Beginner: No

Gardeners looking for vibrant summer blooms and who want to attract pollinators outdoors.

✅ Choose This Plant If...

  • You want to attract hummingbirds and butterflies to your garden.
  • You love vibrant orange, red, and yellow flowers.
  • You have a sunny garden spot that needs a splash of color.
  • You are prepared to manage its aggressive spreading habit.
  • You want a relatively low-maintenance perennial once established.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You don't have a sunny outdoor space.
  • You don't want a plant that spreads aggressively.
📍 Ideal Location: Sunny garden bed or border.
🎨 Style: Cottage, Bohemian, Naturalistic
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Crocosmia as toxic to dogs, cats, and horses. The specific toxic principle is unknown, but symptoms include vomiting, diarrhea, and depression.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

📈

Brake Fern has fast growth, while Montbretia grows fast, aggressive spreader via corms..

💡 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.

Montbretia Care Tips

Montbretia is primarily an outdoor plant that requires full sun and well-drained soil. It can be challenging to grow indoors due to its high light needs and aggressive spreading habit. Regular division of corms is necessary to control its spread. Toxicity to pets is a significant concern.

  • Plant in well-draining soil to prevent corm rot.
  • Divide corms every 2-3 years to control spread and maintain vigor.
  • Provide full sun for optimal flowering.
  • Water regularly during the growing season.
  • Fertilize in spring and after flowering.
❄️ Winter: In colder climates, provide a layer of mulch to protect the corms from freezing. Reduce watering significantly during dormancy.
☀️ Summer: Ensure adequate watering during hot, dry periods. Monitor for pests and diseases. Deadhead spent flowers to encourage further blooming.

⚠️ 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.

Montbretia

Common Issues: Overcrowding, Corm rot, Spider mites, Rust
Solutions: Divide corms regularly to prevent overcrowding.|Ensure good drainage to prevent corm rot.|Treat spider mites with insecticidal soap.|Apply fungicide to treat rust.

❓ 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.

Montbretia

What are the light requirements for Montbretia?

Montbretia requires plenty of sunlight to produce its vibrant blooms. Aim for at least 6 hours of direct sunlight per day. In hotter climates, provide some afternoon shade to prevent scorching. Insufficient light can result in leggy growth, fewer flowers, and duller colors. When planting in containers, choose a location that receives ample sunlight. If growing indoors, place Montbretia near a sunny window, preferably a south-facing one. Rotate the plant regularly to ensure even light exposure on all sides. Supplement with grow lights if natural light is insufficient, especially during winter months.

How do I care for Montbretia?

Montbretia thrives in full sun to partial shade, requiring at least 6 hours of sunlight daily for optimal blooming. Water thoroughly when the top inch of soil feels dry, avoiding overwatering which can lead to root rot. Plant in well-draining soil to prevent waterlogging. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant blooms. Deadhead spent flowers to encourage more blooms. In colder climates, lift the corms in the fall and store them in a cool, dry place over winter. Alternatively, provide a thick layer of mulch for winter protection. Divide clumps every few years to prevent overcrowding and maintain vigor. Monitor for pests and diseases, and treat promptly if necessary. Regular care will ensure a vibrant display of Montbretia blooms year after year.

How do I propagate Montbretia?

Montbretia is easily propagated by division. In spring or fall, carefully dig up the clump and separate the corms. Ensure each division has healthy roots and foliage. Replant the divisions in well-draining soil. Water thoroughly. Montbretia does not typically produce keiki. Stem cuttings are not a standard method for Montbretia propagation. Division is the most reliable method. Alternatively, you can collect and sow seeds, though this method can be slow and may not produce plants true to the parent.

Last updated: May 5, 2026 — Plant care data reviewed and verified by our editorial team.