Leatherleaf Fern vs Mallow 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
Mallow

Mallow

Malva sylvestris

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
Mallow

Mallow

Malva sylvestris

Malva sylvestris, or Common Mallow, is a herbaceous annual, biennial, or perennial plant known for its attractive, often purple-veined, pink to mauve flowers. It typically grows to a height of 2-4 feet. While primarily an outdoor plant, it is sometimes grown indoors, though it requires very bright light and ample space. People grow it for its ornamental value, edible leaves and flowers, and medicinal properties. It's a common sight in gardens, roadsides, and disturbed areas.

Malvaceae Europe, North Africa, Asia
✨ Features: Edible leaves and flowers, medicinal properties (anti-inflammatory, soothing).
📖 Read Complete Mallow Guide

Quick Plant Comparison

Feature Leatherleaf Fern Mallow
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 to thrive.
Watering Every 7-10 days, depending on environmental conditions Every 5-7 days outdoors, less frequently indoors depending on light and temperature.
Humidity 60-80% 30-50%
Temperature 18-24°C 15-25°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height 30-60 cm indoors (can be larger outdoors) 0.6-1.2 meters (2-4 feet) outdoors, smaller indoors (0.3-0.6 meters)
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 loamy soil
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.

Mallow

Scientific Name Malva sylvestris
Family Malvaceae
Native To Europe, North Africa, Asia
Also Known As Common Mallow, High Mallow, Cheeseweed Mallow
Leaves The leaves are rounded to kidney-shaped, with lobed or toothed edges. They are typically 5-10 cm in diameter and have a slightly hairy texture. The color is usually a medium to dark green.
Flowers Common Mallow produces attractive, pink to mauve flowers with darker purple veins. The flowers are about 2-5 cm in diameter and bloom from spring to fall. It can flower indoors if given sufficient light, but flowering is less prolific than outdoors.

📏 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.

Mallow

Height 0.6-1.2 meters (2-4 feet) outdoors, smaller indoors (0.3-0.6 meters)
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Moderate
Growth Pattern Common Mallow grows upright, forming a bushy clump. It can spread through self-seeding, but is not considered aggressively invasive.

🌱 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.

Mallow

Methods: Seed, Stem cuttings

Difficulty: Easy

Tips: For seeds, scarify them lightly and sow in spring. Stem cuttings can be taken in late spring or early summer and rooted in moist soil.

✨ 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

Mallow

Common Mallow is known for its edible leaves and flowers, which have a mild, slightly sweet flavor. It also possesses medicinal properties and has been used traditionally to soothe skin irritations and digestive issues. Its ability to attract pollinators makes it a valuable addition to any garden.

  • ✓ Edible leaves and flowers provide nutrients.
  • ✓ Attracts pollinators to the garden.
  • ✓ Medicinal properties offer potential health benefits.
  • ✓ Adds beauty and charm to outdoor spaces.
  • ✓ Can be used in culinary dishes and herbal teas.
  • ⚠️ 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.

Mallow

Repotting Repot annually in spring if grown in a container.
Pruning Prune to maintain shape and remove dead or damaged foliage. Deadhead spent flowers regularly.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied monthly during the growing season (spring and summer).
Seasonal Care In winter, reduce watering and provide protection from frost. In summer, ensure adequate watering and sunlight. Deadhead spent flowers to encourage further blooming.

🌞 Light Requirements

Leatherleaf Fern

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

Low light tolerant: ❌ No

Mallow

Full sun to partial shade. Requires at least 6 hours of direct sunlight daily to thrive.

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.

Mallow

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. Signs of underwatering include wilting leaves; overwatering includes yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Leatherleaf Fern

Temperature: 18-24°C

Humidity: 60-80%

Mallow

Temperature: 15-25°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.
Mallow

Mallow

Malva sylvestris
Care: Expert Time: 15 minutes weekly Beginner: No

Experienced gardeners who want to grow an edible and medicinal plant outdoors.

✅ Choose This Plant If...

  • You want an edible plant with medicinal properties.
  • You enjoy attracting pollinators to your garden.
  • You have a sunny outdoor space.
  • You are an experienced gardener looking for a new challenge.
  • You appreciate the beauty of its delicate flowers.

❌ Skip This Plant If...

  • You have pets that might ingest it.
  • You lack a sunny outdoor space.
  • You are a beginner gardener.
  • You are looking for a low-maintenance indoor plant.
📍 Ideal Location: Sunny garden or patio. If attempting indoors, a south-facing window is essential.
🎨 Style: Cottage garden, Naturalistic, Traditional
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Mallow contains althea, which is toxic to horses, dogs, and cats. Symptoms include vomiting and diarrhea.

🎯 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.

Mallow Care Tips

Common Mallow is primarily an outdoor plant and requires very bright light to thrive indoors. It needs well-draining soil and regular watering. Indoor cultivation is challenging due to its high light requirements and potential for pest infestations. Consistent monitoring is essential.

  • Provide at least 6 hours of direct sunlight daily for optimal growth and flowering.
  • Ensure well-draining soil to prevent root rot.
  • Water deeply but infrequently, allowing the soil to dry slightly between waterings.
  • Fertilize monthly during the growing season with a balanced liquid fertilizer.
  • Protect from frost in winter by mulching around the base of the plant.
❄️ Winter: In winter, reduce watering significantly. If grown outdoors in colder climates, mulch around the base of the plant to protect the roots from frost. Indoor plants should be kept in a cool, bright location.
☀️ Summer: In summer, ensure adequate watering, especially during hot and dry periods. Provide some afternoon shade in extremely hot climates to prevent leaf scorch. Deadhead spent flowers regularly to encourage continued 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.

Mallow

Common Issues: Aphids, Spider mites, Root rot
Solutions: Aphids/Spider mites: Insecticidal soap or neem oil. Root rot: Improve drainage, reduce watering frequency.

❓ 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.

Mallow

What are the light requirements for Mallow?

Mallow plants thrive in full sun, requiring at least 6 hours of direct sunlight each day to promote abundant blooming. Insufficient light can lead to leggy growth and reduced flower production. An east-facing or south-facing window is ideal for indoor Mallows. If natural light is limited, supplement with a grow light. Rotate the plant regularly to ensure even light exposure on all sides. Avoid placing Mallows in excessively shady locations, as this can weaken the plant and make it more susceptible to pests and diseases. When transitioning Mallows from indoors to outdoors, gradually acclimate them to the increased sunlight to prevent leaf burn.

How do I care for Mallow?

Mallow plants require well-draining soil and should be watered when the top inch of soil feels dry. Provide them with at least 6 hours of sunlight daily for optimal blooming. Fertilize regularly during the growing season with a balanced fertilizer, switching to a bloom-boosting formula as flowering begins. Deadhead spent flowers to encourage continuous blooming. Mallows prefer moderate humidity levels; increase humidity if needed by using a humidifier or placing the plant on a pebble tray. Prune regularly to maintain shape and remove any dead or diseased growth. Protect from frost in colder climates, either by moving potted plants indoors or providing adequate insulation. Monitor for pests and diseases and treat promptly. Repot when the plant becomes root-bound.

How do I propagate Mallow?

Mallow can be propagated through division, stem cuttings, and seed.

Last updated: May 8, 2026 — Plant care data reviewed and verified by our editorial team.