Leatherleaf Fern vs Wallflower Plant Comparison

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

Leatherleaf Fern

Leatherleaf Fern

Rumohra adiantiformis

VS
Wallflower

Wallflower

Erysimum cheiri

Leatherleaf Fern

Leatherleaf Fern

Rumohra adiantiformis

Leatherleaf fern is a perennial fern characterized by its leathery, triangular fronds that are deeply divided into smaller leaflets (pinnules). It's primarily an outdoor plant in warmer climates, often found in forests and rocky areas. It is widely cultivated commercially for use in floral arrangements due to its long-lasting foliage. While it can be grown indoors, it requires specific conditions to thrive and often struggles to adapt to typical indoor environments. Its popularity stems from its attractive foliage and durability as a cut flower.

Dryopteridaceae Southern Hemisphere: South Africa, Australia, New Zealand, South America
✨ Features: Long-lasting foliage, popular in floral arrangements.
📖 Read Complete Leatherleaf Fern Guide
Wallflower

Wallflower

Erysimum cheiri

Wallflower (Erysimum cheiri) is a short-lived perennial or biennial often grown as an annual. It's known for its vibrant, fragrant flowers that bloom in spring and early summer. The plant typically reaches a height of 12-30 inches. The flowers come in a range of colors, including yellow, orange, red, purple, and brown. Wallflowers are primarily outdoor plants, valued for adding color and fragrance to gardens, borders, and rockeries. While some attempt to grow them indoors, they often struggle due to insufficient light and humidity.

Brassicaceae Southern Europe
✨ Features: Fragrant flowers, attracts pollinators
📖 Read Complete Wallflower Guide

Quick Plant Comparison

Feature Leatherleaf Fern Wallflower
Light Bright, indirect light. Avoid direct sunlight, which can scorch the fronds. Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal flowering.
Watering Every 7-10 days, depending on environmental conditions Every 7-10 days, depending on weather and soil drainage.
Humidity 60-80% 30-50%
Temperature 18-24°C 10-21°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 30-60 cm indoors (can be larger outdoors) 30-75 cm (outdoors)
Pet Safety ✅ Safe ❌ Toxic To Pets
Soil Well-draining, slightly acidic potting mix rich in organic matter. A mix of peat moss, perlite, and potting soil works well. Well-draining, fertile soil. A mix of garden soil, compost, and perlite is suitable.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Leatherleaf Fern

Scientific Name Rumohra adiantiformis
Family Dryopteridaceae
Native To Southern Hemisphere: South Africa, Australia, New Zealand, South America
Also Known As Leatherleaf Fern, Leather Fern, Iron Fern
Leaves The leaves (fronds) are triangular in shape and deeply divided into numerous small, leathery leaflets (pinnules). The pinnules are a rich green color and have a slightly glossy texture. The fronds can grow up to 60 cm long and are arranged alternately along the stem.
Flowers Leatherleaf ferns do not flower in the traditional sense. They reproduce via spores, which are located on the underside of the fronds. Flowering is not a consideration for indoor cultivation.

Wallflower

Scientific Name Erysimum cheiri
Family Brassicaceae
Native To Southern Europe
Also Known As Wallflower, Cheiranthus cheiri
Leaves The leaves are lance-shaped, typically 2-4 inches long, and have a slightly rough texture. They are usually a grayish-green color and are arranged alternately along the stems.
Flowers Wallflowers produce clusters of fragrant flowers in spring and early summer. The flowers are about 1 inch in diameter and come in a variety of colors, including yellow, orange, red, purple, and brown. They are rarely grown indoors and therefore flowering indoors is unlikely.

📏 Size & Growth — Plant Comparison

Leatherleaf Fern

Height 30-60 cm indoors (can be larger outdoors)
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern The leatherleaf fern has an upright, clumping growth habit. It spreads slowly via rhizomes, forming a dense cluster of fronds. The fronds emerge from the rhizome and arch outwards, creating a full and bushy appearance.

Wallflower

Height 30-75 cm (outdoors)
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern Wallflower grows as an upright, bushy plant, typically reaching a height of 12-30 inches. It forms a compact clump of foliage with multiple flowering stems emerging from the base.

🌱 Propagation — Comparing Plant Growth

Leatherleaf Fern

Methods: Spores, Rhizome division

Difficulty: Moderate

Tips: Rhizome division is the easier method. Divide the rhizome in spring, ensuring each section has several fronds and roots. Plant in a well-draining potting mix and keep consistently moist.

Wallflower

Methods: Seed, Stem cuttings

Difficulty: Moderate

Tips: For seeds, sow indoors 6-8 weeks before the last frost or directly outdoors in spring. For stem cuttings, take cuttings in late spring or early summer and root them in a well-draining medium.

✨ Benefits & Features — Comparing Plant Value

Leatherleaf Fern

The leatherleaf fern is known for its durable, leathery fronds that are commonly used in floral arrangements. Its ability to withstand handling and maintain its appearance makes it a popular choice in the floral industry. It's also relatively drought-tolerant once established outdoors, which is unusual for a fern.

  • ✓ Adds a lush, green aesthetic to indoor spaces.
  • ✓ Provides a calming and natural element to decor.
  • ✓ Non-toxic to pets, making it a safe choice for animal lovers.
  • ✓ Can be used in floral arrangements.
  • ✓ Offers a unique texture and visual interest.
  • 🐾 Pet Safe

Wallflower

Wallflowers are known for their strong, sweet fragrance and their ability to bloom in early spring, providing color when many other plants are still dormant. Their vibrant flower colors and compact growth habit make them a popular choice for borders and containers.

  • ✓ Adds vibrant color to the garden
  • ✓ Provides a pleasant fragrance
  • ✓ Attracts pollinators
  • ✓ Can be used in cut flower arrangements
  • ✓ Relatively easy to grow outdoors in suitable conditions
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Leatherleaf Fern

Repotting Every 1-2 years, or when the plant becomes root-bound. Choose a pot slightly larger than the previous one.
Pruning Remove any dead or damaged fronds at the base of the plant to encourage new growth and maintain appearance.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care In winter, reduce watering frequency as growth slows. Ensure adequate light and humidity. In summer, increase watering and humidity, and protect from intense sunlight.

Wallflower

Repotting Not typically repotted as they are often grown as annuals or biennials. If grown in containers, repot every 1-2 years.
Pruning Deadhead spent flowers to encourage further blooming. Prune back after flowering to maintain shape.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 4-6 weeks during the growing season.
Seasonal Care In winter, protect from frost in colder climates. In summer, ensure adequate watering and protect from intense afternoon sun.

🌞 Light Requirements

Leatherleaf Fern

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

Low light tolerant: ❌ No

Wallflower

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

Low light tolerant: ❌ No

💧 Watering Needs

Leatherleaf Fern

Water thoroughly when the top inch of soil feels dry. Ensure good drainage to prevent root rot. Overwatering can lead to yellowing fronds and root rot, while underwatering causes the fronds to become dry and brittle.

Wallflower

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. Ensure good drainage. Signs of underwatering include wilting and dry, crispy leaves. Overwatering can cause yellowing leaves and a soggy soil.

🌡️ Temperature & Humidity

Leatherleaf Fern

Temperature: 18-24°C

Humidity: 60-80%

Wallflower

Temperature: 10-21°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Leatherleaf Fern

Leatherleaf Fern

Rumohra adiantiformis
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced plant enthusiasts who can provide the specific environmental conditions required for this fern to thrive indoors.

✅ Choose This Plant If...

  • You appreciate the unique texture and appearance of fern foliage.
  • You are looking for a long-lasting green for floral arrangements.
  • You have a greenhouse or terrarium where you can provide high humidity.
  • You enjoy a challenge and are willing to provide specific care.
  • You want a plant that is non-toxic to pets.

❌ Skip This Plant If...

  • You struggle to maintain high humidity levels in your home.
  • You tend to overwater plants.
  • You don't have a bright, indirectly lit space.
  • You are a beginner plant owner.
📍 Ideal Location: Bathroom with bright, indirect light; greenhouse; terrarium
🎨 Style: Tropical, Naturalistic, Woodland
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Rumohra adiantiformis is not toxic to dogs, cats, or horses.
Wallflower

Wallflower

Erysimum cheiri
Care: Expert Time: 15 minutes weekly Beginner: No

Gardeners looking to add vibrant color and fragrance to their outdoor spring and early summer gardens.

✅ Choose This Plant If...

  • You want a fragrant spring flower for your garden.
  • You enjoy vibrant colors in your outdoor space.
  • You want to attract pollinators like bees and butterflies.
  • You have a sunny garden spot.
  • You are experienced with caring for flowering plants.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You lack a sunny outdoor space.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny garden bed, rock garden, or container on a patio.
🎨 Style: Cottage, Traditional, English Garden
🏠 Apartment Friendly: No
⚠️ Wallflower contains cardiac glycosides, which are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, weakness, and potentially heart problems. All parts of the plant are considered toxic.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Leatherleaf Fern ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🌿

Both plants have similar basic care requirements but differ in appearance and specific needs. Compare plants carefully to find the best fit for your space.

💡 Pro Tips For Comparing These Plants

Leatherleaf Fern Care Tips

Leatherleaf fern is challenging to grow indoors due to its high humidity and specific light requirements. It needs consistent moisture, good air circulation, and protection from direct sunlight. Maintaining adequate humidity is crucial for its survival indoors. It is primarily an outdoor plant and requires expert care to thrive as a houseplant.

  • Maintain high humidity by using a humidifier or placing the plant on a pebble tray.
  • Water thoroughly but allow the soil to dry slightly between waterings.
  • Provide bright, indirect light and avoid direct sunlight.
  • Fertilize regularly during the growing season with a balanced liquid fertilizer.
  • Monitor for pests and treat promptly with insecticidal soap or neem oil.
❄️ Winter: Reduce watering frequency during the winter months as the plant's growth slows down. Ensure the plant is still receiving adequate light, and maintain humidity levels. Avoid placing the plant near cold drafts or heating vents.
☀️ Summer: Increase watering frequency during the summer months as the plant's growth increases. Provide adequate humidity and protect the plant from intense sunlight. Fertilize regularly during the growing season.

Wallflower Care Tips

Wallflowers are primarily outdoor plants and require full sun and well-draining soil. Indoor cultivation is challenging due to the need for intense light and specific temperature requirements. They are toxic to pets, requiring careful placement if grown in areas accessible to animals.

  • Provide well-draining soil to prevent root rot.
  • Deadhead spent flowers to encourage more blooms.
  • Protect from frost in colder climates.
  • Fertilize regularly during the growing season.
  • Ensure adequate sunlight for optimal flowering.
❄️ Winter: In colder climates, protect wallflowers from frost by mulching around the base of the plant or moving container-grown plants to a sheltered location. Reduce watering during the winter months.
☀️ Summer: Ensure adequate watering during the summer months, especially during hot, dry periods. Protect from intense afternoon sun to prevent scorching. Deadhead spent flowers to encourage further blooming.

⚠️ Common Problems & Solutions — Plant Care Comparison

Leatherleaf Fern

Common Issues: Brown or yellowing fronds, Root rot, Pest infestations (scale, mealybugs)
Solutions: Brown/yellowing fronds: Increase humidity, ensure proper watering, and avoid direct sunlight. Root rot: Improve drainage and reduce watering frequency. Pests: Treat with insecticidal soap or neem oil.

Wallflower

Common Issues: Aphids, Root rot, Powdery mildew
Solutions: Aphids: Treat with insecticidal soap. Root rot: Ensure good drainage and avoid overwatering. Powdery mildew: Improve air circulation and apply a fungicide.

❓ Frequently Asked Questions — Comparing These Plants

Leatherleaf Fern

What are the light requirements for Leatherleaf Fern?

Leatherleaf Ferns require bright, indirect light to thrive. Direct sunlight can scorch their delicate fronds, so avoid placing them in south-facing windows without any shade. An east- or north-facing window is ideal, providing gentle, diffused light. If you don’t have access to natural light, you can supplement with fluorescent grow lights. Position the lights about 12-18 inches above the plant. If the fronds start to turn pale or yellow, it may indicate that the plant is receiving too much light. Conversely, if the growth is slow and the fronds appear dark green, it may not be getting enough light. Rotate the plant regularly to ensure even exposure to light.

How do I care for Leatherleaf Fern?

Leatherleaf Ferns thrive in bright, indirect light. Avoid direct sunlight, which can scorch their delicate fronds. Water regularly, keeping the soil consistently moist but not soggy. Allow the top inch of soil to dry out slightly between waterings. Maintain high humidity levels by misting the plant regularly or placing it on a pebble tray. The ideal temperature range is between 60-75°F (15-24°C). Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 1-2 years, or when the plant becomes root-bound, using a well-draining potting mix. Prune away any dead or yellowing fronds to encourage new growth. Proper air circulation is also crucial to prevent fungal diseases.

How do I propagate Leatherleaf Fern?

Leatherleaf Ferns can be propagated through division or spores. For division, carefully separate the rhizomes of a mature plant during repotting, ensuring each division has healthy roots and fronds. Plant each division in its own pot with well-draining potting mix. To propagate from spores, collect spores from the underside of mature fronds. Sow the spores on a moist surface of peat moss in a covered container. Maintain high humidity and warmth until small plantlets develop. Transplant the plantlets into individual pots once they are large enough to handle. Propagation from spores is a slow process, but it can be a rewarding experience.

Wallflower

What are the light requirements for Wallflower?

Wallflowers require at least 6 hours of direct sunlight per day to thrive and produce abundant blooms. A south-facing window or sunny patio is ideal. Insufficient light can result in leggy growth and reduced flowering. If growing indoors, consider using a grow light to supplement natural light, especially during the winter months. Rotate the plant regularly to ensure even light exposure on all sides. Monitor the plant for signs of insufficient light, such as pale leaves or elongated stems. Adjust the placement accordingly to provide optimal light conditions.

How do I care for Wallflower?

Wallflowers thrive in full sun and well-drained soil. Water regularly, allowing the soil to dry slightly between waterings. Avoid overwatering, which can lead to root rot. Fertilize every 2-3 weeks during the growing season with a balanced liquid fertilizer to promote abundant blooms. Deadhead spent flowers to encourage continued flowering. Prune lightly after blooming to maintain shape. Protect from frost in colder climates by moving potted plants indoors or providing adequate cover. Wallflowers prefer cooler temperatures and can tolerate light frost. Ensure good air circulation to prevent fungal diseases. Regularly check for pests and address infestations promptly.

How do I propagate Wallflower?

Wallflowers are typically propagated by seed, but stem cuttings can also be used. For stem cuttings, take 4-6 inch cuttings from non-flowering stems in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a well-draining potting mix and keep them moist. Rooting should occur in 4-6 weeks. Alternatively, collect seeds from dried flower pods in late summer or fall. Sow the seeds indoors in early spring or directly into the garden after the last frost. Division is less common but possible with established clumps, carefully separating the roots and replanting.

Last updated: April 28, 2026 — Plant care data reviewed and verified by our editorial team.