Paperbark Maple vs Rainbow Fern Plant Comparison

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

Paperbark Maple

Paperbark Maple

Acer griseum

VS
Rainbow Fern

Rainbow Fern

Selaginella uncinata

Paperbark Maple

Paperbark Maple

Acer griseum

The Paperbark Maple is a deciduous tree celebrated for its stunning, exfoliating bark, which peels away in cinnamon-red to reddish-brown curls, providing year-round interest. It typically grows to a height of 20-30 feet with a similar spread. The leaves are trifoliate, turning vibrant shades of red and orange in the fall. While highly prized as an ornamental tree in gardens and parks for its unique bark and fall color, it is not suitable for indoor cultivation due to its size and need for seasonal changes.

Sapindaceae Central China
✨ Features: Exfoliating bark, vibrant fall color
📖 Read Complete Paperbark Maple Guide
Rainbow Fern

Rainbow Fern

Selaginella uncinata

Selaginella uncinata, commonly known as Rainbow Fern, is a creeping, mat-forming plant prized for its iridescent blue-green foliage. The shimmering effect is caused by the reflection of light off the leaf surfaces. It is not a true fern, but a spikemoss. While it can be grown indoors, it requires very high humidity and consistent moisture, making it a challenging houseplant. People grow it for its unique coloration and texture, adding a touch of the exotic to terrariums or humid environments.

Selaginellaceae China
✨ Features: Iridescent blue-green foliage, unique texture.
📖 Read Complete Rainbow Fern Guide

Quick Plant Comparison

Feature Paperbark Maple Rainbow Fern
Light Full sun to partial shade Bright, indirect light. Avoid direct sunlight, which can scorch the delicate fronds.
Watering Once or twice a week during the growing season, less frequently in winter. Every 2-3 days, depending on humidity and temperature
Humidity 30-50% 70-90%
Temperature 10-24°C 18-24°C
Care Level Expert Expert
Growth Rate Slow Moderate
Max Height N/A (Outdoor tree) 15-30 cm
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-drained, slightly acidic soil Well-draining, moisture-retentive mix such as peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No ❌ No
Weekly Maintenance 30 minutes monthly 15-20 minutes weekly

🔬 Botanical Information — Comparing These Plants

Paperbark Maple

Scientific Name Acer griseum
Family Sapindaceae
Native To Central China
Also Known As Paperbark Maple
Leaves Trifoliate leaves, meaning each leaf is composed of three leaflets. The leaflets are ovate to lanceolate in shape, with serrated edges. They are a medium green color during the growing season, turning vibrant shades of red and orange in the fall.
Flowers The Paperbark Maple produces small, inconspicuous flowers in spring. Flowering is not a primary ornamental feature.

Rainbow Fern

Scientific Name Selaginella uncinata
Family Selaginellaceae
Native To China
Also Known As Rainbow Fern, Peacock Fern, Blue Fern, Spikemoss
Leaves Small, scale-like leaves arranged in overlapping rows along the stems. The leaves are typically a vibrant blue-green color with an iridescent sheen. They are delicate and finely textured.
Flowers Selaginella uncinata does not produce flowers in the typical sense. It reproduces via spores, which are produced in strobili (cone-like structures) at the tips of the stems. These are rarely seen indoors.

📏 Size & Growth — Plant Comparison

Paperbark Maple

Height N/A (Outdoor tree)
Spread N/A (Outdoor tree)
Growth Rate Slow
Growth Pattern Upright, deciduous tree with a rounded crown. It typically grows to a height of 20-30 feet with a similar spread.

Rainbow Fern

Height 15-30 cm
Spread 30-60 cm (can spread via creeping stems)
Growth Rate Moderate
Growth Pattern Creeping and mat-forming, spreading horizontally via rhizomes. It creates a dense, low-growing carpet of foliage.

🌱 Propagation — Comparing Plant Growth

Paperbark Maple

Methods: Seed, Grafting

Difficulty: Difficult

Tips: Seed propagation requires stratification. Grafting is often used to propagate specific cultivars.

Rainbow Fern

Methods: Division, Stem cuttings

Difficulty: Moderate

Tips: Divide the plant at the roots or take stem cuttings and place them in a humid environment until they root. A propagation box or terrarium works well.

✨ Benefits & Features — Comparing Plant Value

Paperbark Maple

The Paperbark Maple is distinguished by its exfoliating, cinnamon-red bark, which peels away in papery curls, providing year-round visual interest. Its trifoliate leaves turn brilliant shades of red and orange in the fall, adding to its ornamental value.

  • ✓ Provides year-round visual interest with its bark and foliage.
  • ✓ Offers stunning fall color.
  • ✓ Attracts birds and other wildlife.
  • ✓ Increases property value.
  • ✓ Provides shade in the summer.
  • ⚠️ Toxic to pets

Rainbow Fern

The Rainbow Fern's iridescent blue-green foliage sets it apart from other ferns and houseplants. This shimmering effect is a result of structural coloration, where light interacts with the leaf's surface. It is not a true fern, but a spikemoss, belonging to the genus Selaginella.

  • ✓ Adds a unique visual element to indoor spaces
  • ✓ Creates a calming and relaxing atmosphere
  • ✓ Can be used in terrariums and vivariums
  • ✓ Non-toxic to pets
  • ✓ Offers a connection to nature indoors
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Paperbark Maple

Repotting N/A (Outdoor tree)
Pruning Prune in late winter or early spring to remove dead or damaged branches and to shape the tree.
Fertilizing Apply a balanced fertilizer in early spring before new growth begins. Follow package instructions for application rates.
Seasonal Care In winter, protect young trees from frost damage. In summer, ensure adequate watering during dry spells.

Rainbow Fern

Repotting Every 1-2 years, or when the plant becomes root-bound. Choose a slightly larger pot.
Pruning Trim any dead or damaged fronds to maintain appearance and prevent disease.
Fertilizing Diluted liquid fertilizer (half strength) every 2-4 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering slightly in winter when growth slows. Maintain humidity levels year-round. Provide supplemental light if needed during shorter days.

🌞 Light Requirements

Paperbark Maple

Full sun to partial shade

Low light tolerant: ❌ No

Rainbow Fern

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

Low light tolerant: ❌ No

💧 Watering Needs

Paperbark Maple

Water deeply and regularly, especially during dry periods. Avoid overwatering, which can lead to root rot. Check soil moisture before watering; allow the top inch to dry out slightly.

Rainbow Fern

Keep the soil consistently moist but not soggy. Water when the top of the soil feels slightly dry to the touch. Overwatering can lead to root rot, while underwatering will cause the fronds to dry out and turn brown. Use distilled or rainwater to avoid mineral buildup.

🌡️ Temperature & Humidity

Paperbark Maple

Temperature: 10-24°C

Humidity: 30-50%

Rainbow Fern

Temperature: 18-24°C

Humidity: 70-90%

🤔 Which Plant Is Right For You?

Paperbark Maple

Paperbark Maple

Acer griseum
Care: Expert Time: 30 minutes monthly Beginner: No

Gardeners seeking a beautiful ornamental tree with year-round interest.

✅ Choose This Plant If...

  • You want a tree with year-round visual interest due to its unique bark.
  • You desire a tree with spectacular fall foliage.
  • You have a spacious garden or landscape.
  • You are looking for a relatively low-maintenance tree once established.
  • You appreciate the beauty of exfoliating bark textures.

❌ Skip This Plant If...

  • You have a small garden or limited space.
  • You are looking for an indoor plant.
  • You have horses and are concerned about potential toxicity.
  • You live in a very hot or dry climate without adequate water access.
📍 Ideal Location: Outdoor garden or park setting with full sun to partial shade.
🎨 Style: Traditional, Naturalistic
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, maples can be toxic to horses. Symptoms include hemolytic anemia, weakness, and dark urine. The specific toxic principle in Acer griseum is not fully defined, but caution is advised. While the ASPCA does not list maples as toxic to dogs and cats, it is best to err on the side of caution and prevent ingestion.
Rainbow Fern

Rainbow Fern

Selaginella uncinata
Care: Expert Time: 15-20 minutes weekly Beginner: No

Experienced plant enthusiasts who can provide a humid environment like a terrarium.

✅ Choose This Plant If...

  • You want a unique and visually striking plant with iridescent foliage.
  • You can provide a consistently humid environment, such as a terrarium.
  • You enjoy the challenge of caring for demanding plants.
  • You want to add a touch of the exotic to your indoor garden.
  • You appreciate the delicate beauty of ferns and mosses.

❌ Skip This Plant If...

  • You struggle to maintain consistent watering schedules.
  • You live in a dry climate and cannot provide high humidity.
  • You are a beginner plant owner looking for low-maintenance options.
📍 Ideal Location: Bathroom with bright, indirect light or a terrarium.
🎨 Style: Tropical, Bohemian, Eclectic
🏠 Apartment Friendly: Limited
⚠️ According to the ASPCA, Selaginella species are generally considered non-toxic to dogs, cats, and horses.

🎯 Quick Verdict

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

⚡ Key Differences Between These Plants

📈

Paperbark Maple has slow growth, while Rainbow Fern grows moderate.

💡 Pro Tips For Comparing These Plants

Paperbark Maple Care Tips

Paperbark Maple is an outdoor tree and is not suitable for indoor cultivation. It requires full sun, well-drained soil, and regular watering. Indoor cultivation is not feasible due to its size and dormancy requirements.

  • Plant in well-drained soil to prevent root rot.
  • Water deeply during dry periods, especially when young.
  • Mulch around the base of the tree to retain moisture and suppress weeds.
  • Protect young trees from deer browsing.
  • Prune in late winter or early spring to remove dead or damaged branches.
❄️ Winter: Protect young trees from frost damage by wrapping the trunk with burlap. Ensure adequate watering before the ground freezes.
☀️ Summer: Water deeply during dry spells. Mulch around the base of the tree to retain moisture and suppress weeds.

Rainbow Fern Care Tips

Rainbow Ferns are challenging houseplants due to their high humidity and moisture requirements. They thrive in terrariums or enclosed environments where humidity can be maintained. Consistent watering and bright, indirect light are crucial for their survival indoors. It is primarily an outdoor plant in tropical climates.

  • Use distilled or rainwater to avoid mineral buildup on the fronds.
  • Maintain high humidity by misting regularly or using a humidifier.
  • Provide bright, indirect light to enhance the iridescent coloration.
  • Ensure good drainage to prevent root rot.
  • Monitor for pests and treat promptly.
❄️ Winter: Reduce watering slightly, but maintain high humidity. Ensure the plant receives adequate light, supplementing with artificial light if necessary. Avoid placing near drafts or heating vents.
☀️ Summer: Water more frequently to keep the soil consistently moist. Protect from direct sunlight to prevent scorching. Increase ventilation to prevent fungal diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Paperbark Maple

Common Issues: Verticillium wilt, aphids, maple mites
Solutions: Verticillium wilt: No cure; prune affected branches and improve soil drainage. Aphids: Insecticidal soap or neem oil. Maple mites: Miticide or horticultural oil.

Rainbow Fern

Common Issues: Browning fronds, Root rot, Lack of iridescence, Pest infestations (spider mites)
Solutions: Increase humidity, improve drainage, provide brighter indirect light, treat with insecticidal soap or neem oil.

❓ Frequently Asked Questions — Comparing These Plants

Paperbark Maple

What are the light requirements for Paperbark Maple?

Paperbark Maple requires bright, indirect light to thrive indoors. Avoid direct sunlight, especially during the hottest part of the day, as it can scorch the leaves. An east-facing window is ideal, providing gentle morning light. A south- or west-facing window can also work, but be sure to filter the light with a sheer curtain. Insufficient light can lead to leggy growth and poor leaf color. Rotate the plant regularly to ensure all sides receive adequate light exposure. During winter months, when light levels are lower, consider supplementing with a grow light to maintain healthy growth. Observe your plant closely and adjust its location as needed based on its response to the available light.

How do I care for Paperbark Maple?

Paperbark Maple thrives indoors with bright, indirect light. Direct sunlight can scorch its leaves. Water thoroughly when the top inch of soil feels dry, ensuring good drainage to prevent root rot. Maintain moderate humidity levels, ideally between 40-60%. Use a well-draining potting mix formulated for trees or shrubs. Fertilize sparingly during the growing season (spring and summer) with a balanced, slow-release fertilizer. Prune regularly to maintain desired shape and size, removing any dead or crossing branches. Repot every 2-3 years as needed, increasing the pot size gradually. Monitor for pests such as spider mites and aphids, and treat promptly with insecticidal soap or neem oil. Rotate the plant periodically to ensure even growth on all sides. Avoid placing near drafts or heating vents. Consistent care and stable conditions are key to its success as an indoor tree.

How do I propagate Paperbark Maple?

Paperbark Maple can be propagated through stem cuttings or air layering. For stem cuttings, take a 4-6 inch cutting from new growth in spring or early summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cutting in a well-draining potting mix and keep it moist in a humid environment. For air layering, make a shallow cut on a branch and wrap it with moist sphagnum moss, then cover with plastic wrap. Keep the moss moist and wait for roots to form. Once roots have developed, cut the branch below the rooted area and pot it up. Both methods require patience and consistent moisture. Choose healthy, vigorous parent plants for the best success.

Rainbow Fern

What are the light requirements for Rainbow Fern?

Rainbow Fern requires bright, indirect light to maintain its vibrant coloration. Direct sunlight can scorch its delicate fronds, so avoid placing it in direct sun exposure. An east-facing window is often ideal, providing gentle morning light. A north-facing window can also work, but supplemental lighting might be necessary if the plant doesn’t receive enough natural light. If placed near a south or west-facing window, use a sheer curtain to filter the light. Insufficient light can cause the colors to fade and the plant to become leggy. Observe the plant’s response to light and adjust its placement accordingly.

How do I care for Rainbow Fern?

Rainbow Fern thrives in bright, indirect light and consistently moist soil. Water thoroughly when the top inch of soil feels slightly dry, using distilled or filtered water to avoid mineral buildup. Maintain high humidity levels, ideally above 70%, through regular misting, a humidifier, or a pebble tray. Plant in a well-draining, acidic potting mix. Fertilize lightly during the growing season (spring and summer) with a diluted liquid fertilizer. Avoid direct sunlight, which can scorch the delicate foliage. Maintain temperatures between 60-75°F (15-24°C). Prune any dead or damaged fronds to encourage new growth. Ensure good air circulation to prevent fungal diseases. Repot only when necessary, usually every 1-2 years, using a slightly larger pot.

How do I propagate Rainbow Fern?

Rainbow Fern can be propagated by division or spores.

Last updated: May 4, 2026 — Plant care data reviewed and verified by our editorial team.