Arborvitae vs Leatherleaf Fern Plant Comparison

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

Arborvitae

Arborvitae

Thuja occidentalis

VS
Leatherleaf Fern

Leatherleaf Fern

Rumohra adiantiformis

Arborvitae

Arborvitae

Thuja occidentalis

Thuja occidentalis, commonly known as American Arborvitae, is a coniferous evergreen tree or shrub. It typically grows outdoors to a height of 30-60 feet, forming a dense, pyramidal shape. The foliage consists of scale-like leaves arranged in flattened sprays. While valued for its use in hedges, screens, and ornamental plantings in landscapes, it is not naturally suited for indoor environments due to its high light and humidity requirements and large size. People grow it for its attractive foliage, fast growth, and tolerance of various soil conditions.

Cupressaceae Eastern North America
✨ Features: Provides year-round greenery and privacy. Attracts birds.
📖 Read Complete Arborvitae Guide
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

Quick Plant Comparison

Feature Arborvitae Leatherleaf Fern
Light Full sun to partial shade. Requires at least 6 hours of direct sunlight daily for optimal growth. Bright, indirect light. Avoid direct sunlight, which can scorch the fronds.
Watering Every 1-2 weeks, depending on weather and soil drainage. Every 7-10 days, depending on environmental conditions
Humidity 40-60% 60-80%
Temperature 10-24°C 18-24°C
Care Level Expert Expert
Growth Rate Moderate Moderate
Max Height Rarely grown indoors; outdoors 9-18 meters 30-60 cm indoors (can be larger outdoors)
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining, slightly acidic soil. A mix of loam, sand, and peat moss is suitable. Well-draining, slightly acidic potting mix rich in organic matter. A mix of peat moss, perlite, and potting soil works well.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes monthly (outdoor) 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Arborvitae

Scientific Name Thuja occidentalis
Family Cupressaceae
Native To Eastern North America
Also Known As American Arborvitae, Eastern Arborvitae, White Cedar, Swamp Cedar
Leaves Scale-like, flattened, and arranged in overlapping sprays. Typically bright green, but can turn bronze in winter. Aromatic when crushed.
Flowers Inconspicuous flowers that are rarely seen. Primarily grown for its foliage.

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.

📏 Size & Growth — Plant Comparison

Arborvitae

Height Rarely grown indoors; outdoors 9-18 meters
Spread Rarely grown indoors; outdoors 1-4 meters
Growth Rate Moderate
Growth Pattern Upright, pyramidal or conical shape. Can be maintained as a hedge through regular pruning. Branches are densely packed with scale-like foliage.

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.

🌱 Propagation — Comparing Plant Growth

Arborvitae

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take semi-hardwood cuttings in late summer. Dip in rooting hormone and plant in well-draining soil. Keep moist and provide indirect light.

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.

✨ Benefits & Features — Comparing Plant Value

Arborvitae

Its dense, evergreen foliage provides year-round privacy and screening. It is relatively fast-growing compared to other evergreens. The scale-like leaves are aromatic when crushed.

  • ✓ Provides privacy and screening.
  • ✓ Offers year-round greenery.
  • ✓ Attracts birds and wildlife.
  • ✓ Relatively low-maintenance once established.
  • ✓ Can be used to create formal hedges or natural screens.
  • ⚠️ Toxic to pets

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

📅 Maintenance Schedule — Plant Care Comparison

Arborvitae

Repotting Not applicable for indoor growing; outdoor plants should be transplanted when young if needed.
Pruning Prune to maintain shape and remove dead or damaged branches. Best done in late winter or early spring.
Fertilizing Slow-release fertilizer in spring. Avoid over-fertilizing.
Seasonal Care Spring: Fertilize. Summer: Monitor for pests and water regularly. Fall: Water deeply before winter. Winter: Protect from heavy snow and wind.

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.

🌞 Light Requirements

Arborvitae

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

Low light tolerant: ❌ No

Leatherleaf Fern

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

Low light tolerant: ❌ No

💧 Watering Needs

Arborvitae

Water deeply when the top inch of soil feels dry. Avoid overwatering, which can lead to root rot. In containers, ensure proper drainage. Signs of underwatering include browning foliage and drooping. Overwatering symptoms include yellowing leaves and a musty smell from the soil.

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.

🌡️ Temperature & Humidity

Arborvitae

Temperature: 10-24°C

Humidity: 40-60%

Leatherleaf Fern

Temperature: 18-24°C

Humidity: 60-80%

🤔 Which Plant Is Right For You?

Arborvitae

Arborvitae

Thuja occidentalis
Care: Expert Time: 30 minutes monthly (outdoor) Beginner: No

Landscapers and gardeners looking for a fast-growing evergreen for hedges, screens, or ornamental plantings in outdoor settings.

✅ Choose This Plant If...

  • You need a fast-growing evergreen screen or hedge for your yard.
  • You want to attract birds to your garden.
  • You have well-draining soil and plenty of sunlight.
  • You live in a climate with cold winters and hot summers.
  • You want a low-maintenance plant once established outdoors.

❌ Skip This Plant If...

  • You live in an apartment or have limited outdoor space.
  • You have pets that might ingest the foliage.
  • You cannot provide at least 6 hours of direct sunlight daily.
  • You are looking for an easy indoor plant.
📍 Ideal Location: Outdoor gardens, landscapes, or large containers on patios.
🎨 Style: Traditional, Natural, Formal
🏠 Apartment Friendly: No
⚠️ The foliage contains thujone, which can cause gastrointestinal upset, vomiting, diarrhea, and dermatitis in dogs, cats, and horses. Large quantities must be ingested to cause severe symptoms.
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.

🎯 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

Arborvitae Care Tips

American Arborvitae is primarily an outdoor plant and is very difficult to maintain indoors due to its high light and humidity requirements. It needs full sun and well-draining soil. Indoor cultivation is not recommended.

  • Plant in well-draining soil to prevent root rot.
  • Water deeply during dry periods, especially in the first year.
  • Prune regularly to maintain shape and density.
  • Protect from heavy snow and wind in winter.
  • Monitor for pests and diseases and treat promptly.
❄️ Winter: Protect from heavy snow and wind to prevent branch breakage and winter burn. Water deeply in the fall before the ground freezes.
☀️ Summer: Water regularly during dry periods. Monitor for pests and diseases. Mulch to retain moisture and suppress weeds.

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.

⚠️ Common Problems & Solutions — Plant Care Comparison

Arborvitae

Common Issues: Spider mites, bagworms, root rot, winter burn
Solutions: Spider mites: Insecticidal soap or neem oil. Bagworms: Handpick or use Bacillus thuringiensis (Bt). Root rot: Improve drainage and avoid overwatering. Winter burn: Provide wind protection and adequate watering in fall.

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.

❓ Frequently Asked Questions — Comparing These Plants

Arborvitae

What are the light requirements for Arborvitae?

Arborvitae thrives in bright, indirect light. Direct sunlight can scorch its delicate foliage, so avoid placing it directly in front of south-facing windows. East- or west-facing windows provide optimal light conditions. If you notice the foliage becoming pale or sparse, it may indicate insufficient light. Supplement with artificial grow lights if natural light is limited, especially during winter months. Rotate the plant regularly to ensure all sides receive adequate light. Monitor the plant’s growth and adjust its position as needed to maintain healthy foliage. Insufficient light can lead to legginess and poor growth.

How do I care for Arborvitae?

Indoor Arborvitae require bright, indirect light; avoid direct sunlight, which can scorch the foliage. Water thoroughly when the top inch of soil feels dry, ensuring proper drainage to prevent root rot. Maintain moderate humidity levels; consider using a humidifier or placing the pot on a pebble tray. Fertilize sparingly during the growing season (spring and summer) with a balanced, slow-release fertilizer. Repot every 2-3 years or when the plant becomes root-bound, using a well-draining potting mix. Prune regularly to maintain shape and remove any dead or yellowing foliage. Provide adequate air circulation to prevent fungal diseases. Monitor for pests such as spider mites and aphids, and treat promptly with insecticidal soap. Keep the plant in a stable temperature range, avoiding extreme fluctuations. Rotate the plant occasionally to ensure even growth. Dust leaves regularly to allow for better light absorption.

How do I propagate Arborvitae?

Arborvitae can be propagated through stem cuttings or air layering.

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.

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