Heart Fern vs Manila Palm Plant Comparison

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

Heart Fern

Heart Fern

Hemionitis arifolia

VS
Manila Palm

Manila Palm

Adonidia merrillii

Heart Fern

Heart Fern

Hemionitis arifolia

The Heart Fern, *Hemionitis arifolia*, is a small, epiphytic fern prized for its unique, heart-shaped fronds. It typically grows to a height of 6-12 inches. Unlike many ferns, it doesn't have traditional fern-like foliage; instead, it features glossy, dark green, heart-shaped leaves that arise from slender, wiry, black stems (petioles). It is primarily grown as an ornamental plant, especially in terrariums or as a houseplant, due to its distinctive appearance and relatively compact size. While it can be grown indoors, it requires specific conditions to thrive, making it a moderately challenging houseplant.

Pteridaceae Southeast Asia (Thailand, Malaysia)
✨ Features: Unique heart-shaped foliage
📖 Read Complete Heart Fern Guide
Manila Palm

Manila Palm

Adonidia merrillii

The Manila Palm, *Adonidia merrillii*, is a single-trunked palm tree known for its compact size and ornamental appeal. It typically grows to a height of 15-25 feet outdoors. Its smooth, gray trunk is topped with a crown of arching, feathery green leaves. It is primarily an outdoor plant in tropical and subtropical climates, prized for its relatively small size and showy clusters of bright red fruits that appear around Christmas time, hence the common name 'Christmas Palm'. While sometimes grown indoors, it requires very bright light and high humidity to thrive, making it a challenging houseplant.

Arecaceae Philippines
✨ Features: Showy red fruits during the holiday season, adds a tropical aesthetic.
📖 Read Complete Manila Palm Guide

Quick Plant Comparison

Feature Heart Fern Manila Palm
Light Bright, indirect light. Avoid direct sunlight, which can scorch the fronds. Full sun to partial shade outdoors; very bright, direct light indoors (at least 6 hours daily)
Watering Every 3-5 days, depending on humidity and temperature Every 7-10 days during the growing season; every 2-3 weeks in winter
Humidity 70-90% 50-70%
Temperature 18-24°C 21-27°C
Care Level Moderate Expert
Growth Rate Slow Moderate
Max Height 6-12 inches 1.8-2.4 meters (6-8 feet) indoors, significantly larger outdoors
Pet Safety ✅ Safe ✅ Safe
Soil Well-draining, moisture-retentive potting mix such as a mix of peat moss, perlite, and orchid bark. Well-draining, sandy loam soil
Beginner Friendly With Caution ❌ No
Weekly Maintenance 15 minutes weekly 15 minutes weekly (outdoors); 30 minutes weekly (indoors due to increased monitoring)

🔬 Botanical Information — Comparing These Plants

Heart Fern

Scientific Name Hemionitis arifolia
Family Pteridaceae
Native To Southeast Asia (Thailand, Malaysia)
Also Known As Heart Fern
Leaves The leaves (fronds) are heart-shaped (cordate), glossy, and dark green. They are typically 1-2 inches in size and have a smooth texture. The petioles (stems) are slender, wiry, and black, providing a striking contrast to the green foliage.
Flowers Heart Ferns do not produce flowers. They reproduce via spores, which are found on the underside of the fronds in specialized structures called sporangia. Flowering is not a characteristic of ferns.

Manila Palm

Scientific Name Adonidia merrillii
Family Arecaceae
Native To Philippines
Also Known As Manila Palm, Christmas Palm, Dwarf Royal Palm
Leaves Pinnately compound leaves, meaning they are feather-like with leaflets arranged on either side of a central stalk. The leaflets are lance-shaped, glossy green, and slightly arching. The overall leaf length can reach 1.2-1.8 meters (4-6 feet).
Flowers Small, creamy-white flowers are produced in clusters beneath the leaves. Flowering typically occurs in spring and summer. While it can flower indoors under optimal conditions, it is less common than when grown outdoors.

📏 Size & Growth — Plant Comparison

Heart Fern

Height 6-12 inches
Spread 6-12 inches
Growth Rate Slow
Growth Pattern The Heart Fern grows in a clumping habit, with fronds arising from a central rhizome. It does not climb or trail, but rather forms a dense mound of heart-shaped leaves. It spreads slowly via rhizomes.

Manila Palm

Height 1.8-2.4 meters (6-8 feet) indoors, significantly larger outdoors
Spread 0.9-1.2 meters (3-4 feet)
Growth Rate Moderate
Growth Pattern Upright, single-trunked palm tree with a crown of arching, feathery leaves. It grows vertically, gradually increasing in height and trunk diameter over time.

🌱 Propagation — Comparing Plant Growth

Heart Fern

Methods: Spores, Division (of rhizomes)

Difficulty: Moderate

Tips: Propagating from spores is difficult and requires a sterile environment. Division can be done during repotting by carefully separating the rhizomes, ensuring each division has healthy fronds and roots. Plant the divisions in fresh potting mix and keep them consistently moist.

Manila Palm

Methods: Seed

Difficulty: Moderate

Tips: Soak seeds in warm water for 24 hours before planting in a well-draining seed-starting mix. Maintain consistent moisture and warmth (around 27-30°C). Germination can be slow and erratic.

✨ Benefits & Features — Comparing Plant Value

Heart Fern

The Heart Fern is unique due to its heart-shaped fronds, which are unlike the typical fern foliage. It also reproduces via spores, a characteristic of ferns, but its overall appearance is quite distinct. Its small size and preference for high humidity make it a popular choice for terrariums.

  • ✓ Adds a unique aesthetic to your home.
  • ✓ Non-toxic to pets and children.
  • ✓ Can thrive in humid environments like bathrooms.
  • ✓ Relatively small and compact, fitting in various spaces.
  • ✓ Provides a calming and natural element to indoor spaces.
  • 🐾 Pet Safe

Manila Palm

The Manila Palm is unique for its relatively small size compared to other palm trees, making it suitable for smaller gardens. Its bright red fruits that appear around Christmas time are also a distinctive feature. It is also known for its smooth, gray trunk.

  • ✓ Adds a tropical aesthetic to any space.
  • ✓ Provides a focal point in a garden or room.
  • ✓ Relatively low maintenance once established outdoors.
  • ✓ Offers visual interest with its feathery leaves and bright red fruits.
  • ✓ Can improve indoor air quality to a small extent.
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Heart Fern

Repotting Repot every 1-2 years in the spring, or when the plant becomes root-bound.
Pruning Remove any dead or damaged fronds to maintain appearance and prevent disease.
Fertilizing Use a diluted (1/4 strength) balanced liquid fertilizer (e.g., 20-20-20) every 4-6 weeks during the growing season (spring and summer). Do not fertilize in the fall and winter.
Seasonal Care In winter, reduce watering frequency as growth slows. Maintain humidity levels. In summer, increase watering and ensure adequate ventilation.

Manila Palm

Repotting Every 2-3 years, or when the palm becomes root-bound.
Pruning Remove dead or yellowing fronds as needed.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, every 2-3 months during the growing season
Seasonal Care Reduce watering in winter. Provide supplemental light if needed during shorter days. Increase watering and fertilization during the growing season (spring and summer).

🌞 Light Requirements

Heart Fern

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

Low light tolerant: ❌ No

Manila Palm

Full sun to partial shade outdoors; very bright, direct light indoors (at least 6 hours daily)

Low light tolerant: ❌ No

💧 Watering Needs

Heart Fern

Keep the soil consistently moist but not waterlogged. Allow the top inch of soil to slightly dry out before watering again. Overwatering can lead to root rot, while underwatering can cause the fronds to dry and crisp. Use distilled or filtered water to avoid mineral buildup.

Manila Palm

Water thoroughly when the top inch of soil is dry. Overwatering can lead to root rot, so ensure good drainage. Reduce watering in the winter months. Signs of underwatering include drooping leaves and dry soil. Signs of overwatering include yellowing leaves and soggy soil.

🌡️ Temperature & Humidity

Heart Fern

Temperature: 18-24°C

Humidity: 70-90%

Manila Palm

Temperature: 21-27°C

Humidity: 50-70%

🤔 Which Plant Is Right For You?

Heart Fern

Heart Fern

Hemionitis arifolia
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

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

✅ Choose This Plant If...

  • You love unique foliage and are willing to provide high humidity.
  • You have experience with other humidity-loving plants.
  • You want a small, compact plant for a terrarium or bright bathroom.
  • You are looking for a non-toxic plant for a home with pets.
  • You enjoy a plant that requires a bit more attention and care.

❌ Skip This Plant If...

  • You struggle to maintain consistent watering schedules.
  • You live in a dry climate and cannot provide adequate humidity.
  • You are a beginner plant owner looking for a low-maintenance plant.
📍 Ideal Location: Bright bathroom, kitchen with good humidity, or a terrarium.
🎨 Style: Tropical, Bohemian, Eclectic
🏠 Apartment Friendly: Yes
⚠️ According to the ASPCA, *Hemionitis arifolia* is not listed as toxic to dogs, cats, or horses.
Manila Palm

Manila Palm

Adonidia merrillii
Care: Expert Time: 15 minutes weekly (outdoors); 30 minutes weekly (indoors due to increased monitoring) Beginner: No

Experienced plant enthusiasts in warm climates who can provide ample sunlight and humidity.

✅ Choose This Plant If...

  • You live in a warm climate with plenty of sunlight.
  • You want a relatively small palm tree for your garden.
  • You appreciate the festive red fruits during the Christmas season.
  • You are an experienced plant owner looking for a challenge.
  • You have a very bright, sunny indoor space with high humidity.

❌ Skip This Plant If...

  • You live in a cold climate with long winters.
  • You have limited sunlight indoors.
  • You are a beginner plant owner.
  • You cannot provide high humidity.
  • You don't have space for a tree that will eventually grow to a significant size.
📍 Ideal Location: Outdoors: Tropical or subtropical garden. Indoors: South-facing window with direct sunlight and high humidity.
🎨 Style: Tropical, Coastal, Modern
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Adonidia merrillii is not toxic to dogs, cats, or horses.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Both safe ✓
Less Maintenance Similar effort
Apartment Friendly Heart Fern

⚡ Key Differences Between These Plants

🎯

Heart Fern is rated Moderate care level, while Manila Palm is Expert.

📈

Heart Fern has slow growth, while Manila Palm grows moderate.

💡 Pro Tips For Comparing These Plants

Heart Fern Care Tips

Heart Ferns require high humidity and consistent moisture to thrive indoors. They are not as forgiving as some other ferns and can be challenging for beginners. Maintaining proper humidity is crucial for their survival.

  • Use distilled or rainwater to avoid mineral buildup on the fronds.
  • Maintain high humidity by using a humidifier, pebble tray, or grouping plants together.
  • Avoid placing the plant near drafts or heating vents.
  • Monitor for pests regularly and treat promptly.
  • Provide adequate air circulation to prevent fungal diseases.
❄️ Winter: Reduce watering frequency as growth slows during the winter months. Maintain humidity levels and avoid placing the plant near cold drafts. Do not fertilize during the winter.
☀️ Summer: Increase watering frequency during the summer months as the plant actively grows. Ensure adequate ventilation to prevent fungal diseases. Protect from direct sunlight to prevent scorching.

Manila Palm Care Tips

The Manila Palm is relatively easy to care for outdoors in suitable climates. However, it's challenging indoors due to its high light and humidity requirements. Providing adequate light is crucial for its survival and growth indoors. Regular fertilization and proper watering are also essential.

  • Provide ample sunlight, especially when grown indoors.
  • Maintain high humidity levels, misting regularly or using a humidifier.
  • Water thoroughly when the top inch of soil is dry, but avoid overwatering.
  • Fertilize regularly during the growing season with a balanced fertilizer.
  • Protect from frost and freezing temperatures.
❄️ Winter: Reduce watering frequency. Protect from frost and freezing temperatures if grown outdoors. Provide supplemental light if grown indoors and days are short.
☀️ Summer: Increase watering frequency. Fertilize regularly. Protect from intense afternoon sun in extremely hot climates to prevent leaf burn.

⚠️ Common Problems & Solutions — Plant Care Comparison

Heart Fern

Common Issues: Browning fronds, root rot, pest infestations (scale, mealybugs)
Solutions: Browning fronds: Increase humidity. Root rot: Improve drainage and reduce watering frequency. Pests: Treat with insecticidal soap or neem oil.

Manila Palm

Common Issues: Spider mites, scale, nutrient deficiencies, root rot
Solutions: Spider mites: Treat with insecticidal soap or neem oil. Scale: Remove manually and treat with horticultural oil. Nutrient deficiencies: Fertilize with a balanced fertilizer. Root rot: Improve drainage and reduce watering.

❓ Frequently Asked Questions — Comparing These Plants

Heart Fern

What are the light requirements for Heart Fern?

Heart Ferns thrive in bright, indirect light. Direct sunlight can easily scorch their delicate fronds, causing them to turn brown or yellow. An east-facing window is often ideal, providing gentle morning sunlight. A north-facing window can also work, but ensure the plant receives sufficient light. Avoid placing the fern in a south- or west-facing window without adequate shading. If the leaves start to pale or the plant appears leggy, it may not be receiving enough light. In such cases, consider moving it to a brighter location or supplementing with artificial light. Grow lights can be particularly helpful during the darker winter months. Remember to rotate the plant periodically to ensure even light exposure on all sides.

How do I care for Heart Fern?

Heart Ferns require consistent moisture and high humidity to thrive. Keep the soil consistently moist but not soggy. Water when the top inch of soil feels slightly dry. Use filtered or rainwater to avoid mineral buildup. Place the fern in a location with bright, indirect light; direct sunlight can scorch the delicate fronds. Maintain humidity levels above 60% by using a humidifier, pebble tray, or grouping plants together. The ideal temperature range is between 65°F and 75°F (18°C to 24°C). Fertilize sparingly during the growing season (spring and summer) with a diluted liquid fertilizer formulated for ferns. Repot every 1-2 years into a slightly larger pot with a well-draining potting mix suitable for ferns. Prune any yellowing or damaged fronds to encourage new growth. Regularly check for pests such as mealybugs or scale and treat promptly if detected. Ensure good air circulation to prevent fungal diseases. Mist the plant regularly to maintain humidity.

How do I propagate Heart Fern?

Heart Fern can be propagated through division or spores. Division is the easier method. During repotting, carefully separate the rhizomes into smaller clumps, ensuring each clump has healthy roots and fronds. Plant each clump in its own pot with well-draining potting mix. Keep the soil consistently moist and maintain high humidity. Propagating from spores is more challenging and requires a sterile environment. Collect spores from mature fronds and sow them on a sterile growing medium. Cover with a humidity dome and maintain consistent moisture and warmth. It can take several months for spores to germinate and develop into small plantlets. Once the plantlets are large enough to handle, transplant them into individual pots. Both methods require patience and attention to detail.

Manila Palm

What are the light requirements for Manila Palm?

Manila Palms require bright, indirect light to thrive. Direct sunlight can scorch their leaves, so avoid placing them in areas with intense, direct sun exposure, especially during the hottest part of the day. An east-facing or west-facing window is ideal, providing ample light without the risk of sunburn. If you only have a south-facing window, filter the light with a sheer curtain. Insufficient light can lead to stunted growth and yellowing leaves. Rotate the plant regularly to ensure even light exposure on all sides. If natural light is limited, consider using a grow light to supplement.

How do I care for Manila Palm?

Manila Palms thrive in bright, indirect light, requiring at least 6 hours daily. Water thoroughly when the top inch of soil feels dry to the touch, ensuring proper drainage to prevent root rot. Maintain high humidity levels, ideally above 50%, by misting regularly or using a humidifier. Fertilize monthly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Repot every 2-3 years, or when the plant becomes root-bound, using a well-draining potting mix. Prune away any dead or yellowing fronds to maintain the plant’s appearance and health. Protect from drafts and sudden temperature changes. Regularly check for pests like spider mites and treat promptly if found.

How do I propagate Manila Palm?

Manila Palms are typically propagated by seeds. Soak the seeds in warm water for 24 hours before planting. Sow the seeds in a well-draining potting mix and keep them consistently moist. Germination can take several months. For clumping varieties, division is possible, carefully separate the clumps at the rootball, ensuring each division has healthy roots and foliage. Plant each division in its own pot with well-draining soil. Provide warmth and humidity to encourage root development. Keep the newly propagated plants in a bright, indirect light location and water regularly. Be patient, as establishment can be slow.

Last updated: May 9, 2026 — Plant care data reviewed and verified by our editorial team.