Pampas Grass vs Peacock Fern Plant Comparison

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

Pampas Grass

Pampas Grass

Cortaderia selloana

VS
Peacock Fern

Peacock Fern

Selaginella willdenowii

Pampas Grass

Pampas Grass

Cortaderia selloana

Pampas grass is a tall, perennial grass known for its feathery plumes that emerge in late summer and persist through winter. It is a robust plant, typically grown outdoors as an ornamental feature in gardens and landscapes. Its large size and aggressive spreading habit make it unsuitable for indoor cultivation. People grow it for its dramatic appearance and the striking visual interest it adds to outdoor spaces. The plumes are often used in dried flower arrangements.

Poaceae South America (Argentina, Brazil, Uruguay)
✨ Features: Dramatic plumes, drought tolerance, erosion control
📖 Read Complete Pampas Grass Guide
Peacock Fern

Peacock Fern

Selaginella willdenowii

Selaginella willdenowii, commonly known as Peacock Fern, is a fern ally prized for its iridescent blue-green foliage. This plant is not a true fern but a spikemoss. The shimmering effect is caused by structural coloration, where light reflects off the leaf surface. It thrives in humid, shaded environments, mimicking its native rainforest habitat. While it can be grown indoors, maintaining the necessary humidity is crucial for its survival. People grow it for its unique and captivating foliage, adding a touch of exotic beauty to indoor spaces or terrariums. It is primarily an outdoor plant in tropical climates.

Selaginellaceae Southeast Asia, Malaysia
✨ Features: Iridescent blue-green foliage.
📖 Read Complete Peacock Fern Guide

Quick Plant Comparison

Feature Pampas Grass Peacock Fern
Light Full sun (at least 6-8 hours of direct sunlight daily) Bright, indirect light. Avoid direct sunlight, which can scorch the delicate fronds.
Watering Once every 1-2 weeks, depending on rainfall and soil drainage Every 2-3 days, depending on humidity and temperature
Humidity 30-50% 70-90%
Temperature 10-30°C 18-24°C
Care Level Expert Moderate
Growth Rate Fast Moderate
Max Height N/A (Outdoor plant, unsuitable for indoor growing) 0.3-0.6 meters
Pet Safety ✅ Safe ✅ Safe
Soil Well-draining soil; tolerates a wide range of soil types, including sandy and clay soils Well-draining, moisture-retentive mix such as peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 30 minutes monthly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Pampas Grass

Scientific Name Cortaderia selloana
Family Poaceae
Native To South America (Argentina, Brazil, Uruguay)
Also Known As Pampas Grass
Leaves The leaves are long, narrow, and sharply serrated along the edges. They are typically green in color and can reach several feet in length. The sharp edges can be irritating to the skin, so it's best to wear gloves when handling the plant.
Flowers Flowers are produced in large, feathery plumes that emerge in late summer and persist through winter. The plumes are typically white or silvery in color, but some cultivars may have pink or purple plumes. It does not flower indoors.

Peacock Fern

Scientific Name Selaginella willdenowii
Family Selaginellaceae
Native To Southeast Asia, Malaysia
Also Known As Peacock Fern, Willdenow's Spikemoss
Leaves The leaves are small, scale-like, and densely packed along the stems. They have a shimmering, iridescent blue-green color that changes with the angle of light. The texture is delicate and slightly papery.
Flowers It rarely flowers indoors. In its natural habitat, it produces spores rather than flowers.

📏 Size & Growth — Plant Comparison

Pampas Grass

Height N/A (Outdoor plant, unsuitable for indoor growing)
Spread Spreads aggressively via rhizomes, potentially reaching several meters in width
Growth Rate Fast
Growth Pattern Upright, clumping growth habit. It forms a large, dense clump of foliage from which the tall flower stalks emerge.

Peacock Fern

Height 0.3-0.6 meters
Spread 0.3-0.6 meters
Growth Rate Moderate
Growth Pattern It grows in a spreading, bushy habit, with delicate, feathery fronds that arch gracefully. It does not climb or trail.

🌱 Propagation — Comparing Plant Growth

Pampas Grass

Methods: Seed, Division

Difficulty: Moderate

Tips: Division is the most reliable method. Divide established clumps in spring or early fall. Ensure each division has healthy roots and shoots. Seeds can be sown in spring, but germination can be variable.

Peacock Fern

Methods: Division, Spores

Difficulty: Moderate

Tips: Divide the plant at the roots, ensuring each division has healthy fronds and roots. Plant in a moist, well-draining potting mix. For spores, sow them on a moist peat moss surface and keep them humid until germination.

✨ Benefits & Features — Comparing Plant Value

Pampas Grass

Its most striking feature is its large, feathery plumes, which can reach several feet in length. These plumes are typically white or silvery in color and add a dramatic touch to the landscape. The plant's large size and robust growth habit also set it apart from other ornamental grasses.

  • ✓ Adds dramatic visual interest to landscapes
  • ✓ Provides plumes for dried flower arrangements
  • ✓ Drought tolerant once established
  • ✓ Can be used for erosion control on slopes
  • ✓ Provides habitat for some wildlife
  • 🐾 Pet Safe

Peacock Fern

The iridescent blue-green foliage is its most striking feature, caused by structural coloration. It is a fern ally, not a true fern, belonging to the spikemoss family.

  • ✓ Adds a unique aesthetic appeal to indoor spaces.
  • ✓ Creates a calming and relaxing atmosphere.
  • ✓ Can improve air quality by increasing humidity.
  • ✓ Provides a sense of connection to nature.
  • ✓ Offers a rewarding challenge for plant enthusiasts.
  • 🐾 Pet Safe

📅 Maintenance Schedule — Plant Care Comparison

Pampas Grass

Repotting N/A (Outdoor plant)
Pruning Cut back foliage to 1-2 feet in late winter or early spring before new growth emerges. Wear gloves and long sleeves to protect skin from sharp leaf edges.
Fertilizing Apply a balanced fertilizer (10-10-10) in early spring to promote growth. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of plume production.
Seasonal Care In winter, cut back dead foliage to encourage new growth in spring. Protect from severe cold in colder climates. In summer, ensure adequate watering during dry periods.

Peacock Fern

Repotting Every 1-2 years, or when the plant becomes root-bound.
Pruning Remove 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 darker months.

🌞 Light Requirements

Pampas Grass

Full sun (at least 6-8 hours of direct sunlight daily)

Low light tolerant: ❌ No

Peacock Fern

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

Low light tolerant: ❌ No

💧 Watering Needs

Pampas Grass

Water deeply but infrequently, allowing the soil to dry out between waterings. Overwatering can lead to root rot, especially in poorly draining soils. Signs of underwatering include drooping or browning leaves. Established plants are drought-tolerant.

Peacock Fern

Keep the soil consistently moist but not waterlogged. Water when the top inch of soil feels slightly dry. 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

Pampas Grass

Temperature: 10-30°C

Humidity: 30-50%

Peacock Fern

Temperature: 18-24°C

Humidity: 70-90%

🤔 Which Plant Is Right For You?

Pampas Grass

Pampas Grass

Cortaderia selloana
Care: Expert Time: 30 minutes monthly Beginner: No

Gardeners with large outdoor spaces who want a dramatic ornamental grass.

✅ Choose This Plant If...

  • You have a large outdoor space to accommodate its size.
  • You want a dramatic focal point in your garden.
  • You live in a climate with full sun and well-draining soil.
  • You are looking for a drought-tolerant plant.
  • You want to use the plumes for dried flower arrangements.

❌ Skip This Plant If...

  • You have a small garden or limited space.
  • You live in a climate with very cold winters.
  • You are concerned about invasive plants.
  • You do not have full sun in your garden.
📍 Ideal Location: Outdoor gardens, large landscapes, open fields
🎨 Style: Bohemian, Natural, Wild
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Pampas Grass is not listed as toxic to dogs, cats, or horses.
Peacock Fern

Peacock Fern

Selaginella willdenowii
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

Experienced plant enthusiasts who can provide a humid environment.

✅ Choose This Plant If...

  • You are captivated by unique foliage and iridescent colors.
  • You can provide a consistently humid environment.
  • You enjoy the challenge of caring for slightly more demanding plants.
  • You want to add a touch of the rainforest to your home.
  • You have a terrarium or greenhouse where it can thrive.

❌ Skip This Plant If...

  • You struggle to maintain high humidity levels.
  • You tend to overwater plants.
  • You prefer low-maintenance plants.
📍 Ideal Location: Bathroom, kitchen, or near a humidifier.
🎨 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 Both safe ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🎯

Pampas Grass is rated Expert care level, while Peacock Fern is Moderate.

📈

Pampas Grass has fast growth, while Peacock Fern grows moderate.

💡 Pro Tips For Comparing These Plants

Pampas Grass Care Tips

Pampas grass is an outdoor plant that requires full sun and well-draining soil. It is not suitable for indoor cultivation due to its large size and high light requirements. It can become invasive due to its aggressive spreading habit. Regular pruning is necessary to control its size and remove dead foliage.

  • Plant in full sun for best plume production.
  • Ensure well-draining soil to prevent root rot.
  • Cut back foliage annually in late winter or early spring.
  • Control spread by using barriers or removing unwanted shoots.
  • Water deeply but infrequently, allowing the soil to dry out between waterings.
❄️ Winter: Cut back dead foliage in late winter or early spring. Protect from severe cold in colder climates by mulching around the base of the plant.
☀️ Summer: Ensure adequate watering during dry periods. Monitor for pests and diseases. Fertilize in early spring to promote growth.

Peacock Fern Care Tips

Peacock Fern requires high humidity and consistent moisture, making it challenging to grow indoors without proper conditions. It needs bright, indirect light and well-draining soil. Regular misting or a humidifier is essential to maintain adequate humidity levels. It is more suited to terrariums or greenhouses.

  • Maintain high humidity by misting regularly or using a humidifier.
  • Use distilled or rainwater to avoid mineral buildup on the fronds.
  • Provide bright, indirect light to enhance the iridescence.
  • Avoid placing the plant near drafts or heat sources.
  • Monitor for pests and treat promptly.
❄️ Winter: Reduce watering slightly during the winter months as growth slows. Maintain humidity levels and provide supplemental light if needed.
☀️ Summer: Ensure adequate humidity and protect from direct sunlight during the summer months. Water more frequently as needed.

⚠️ Common Problems & Solutions — Plant Care Comparison

Pampas Grass

Common Issues: Invasive spread, Root rot, Winter damage, Lack of plumes
Solutions: Use barriers to contain spread; Ensure well-draining soil; Protect from severe cold; Provide full sun and proper fertilization

Peacock Fern

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

❓ Frequently Asked Questions — Comparing These Plants

Pampas Grass

What are the light requirements for Pampas Grass?

Pampas Grass demands ample sunlight to flourish. Aim for a minimum of six hours of direct sunlight each day for optimal growth and abundant plume production. Insufficient light can result in weak stems, sparse foliage, and reduced flowering.

How do I care for Pampas Grass?

Pampas Grass thrives in full sun (at least 6 hours daily) and well-draining soil. Water deeply but infrequently, allowing the soil to dry out between waterings. Fertilize in spring with a balanced fertilizer to promote healthy growth and abundant plumes. Prune back the foliage in late winter or early spring to remove dead or damaged leaves and encourage new growth.

How do I propagate Pampas Grass?

Pampas Grass is primarily propagated through division. In early spring, carefully dig up the plant and divide the root ball into sections, ensuring each section has healthy roots and foliage. Replant the divisions in well-draining soil and water thoroughly.

Peacock Fern

What are the light requirements for Peacock Fern?

Peacock Fern requires bright, indirect light to maintain its vibrant color. Direct sunlight can burn its delicate fronds, causing them to turn brown and crispy. An east-facing window is ideal, providing gentle morning light. If placing it near a south- or west-facing window, use a sheer curtain to filter the light.

How do I care for Peacock Fern?

Peacock Fern thrives in bright, indirect light. Direct sunlight can scorch its delicate fronds. Maintain consistently moist soil, but avoid waterlogging. Water when the top inch of soil feels slightly dry. High humidity is crucial; aim for 60-80%. Use a humidifier, pebble tray, or group plants together to increase humidity.

How do I propagate Peacock Fern?

Peacock Fern can be propagated through division or by spores. Division is the easier method. In spring, gently remove the plant from its pot and carefully separate the root ball into smaller sections, ensuring each section has healthy fronds and roots. Plant each section in its own pot with well-draining soil. Keep the soil consistently moist and provide high humidity.

Last updated: May 10, 2026 — Plant care data reviewed and verified by our editorial team.