Caper Bush vs Peacock Fern Plant Comparison

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

Caper Bush

Caper Bush

Capparis spinosa

VS
Peacock Fern

Peacock Fern

Selaginella willdenowii

Caper Bush

Caper Bush

Capparis spinosa

Capparis spinosa, the caper bush, is a perennial plant that bears rounded, fleshy leaves and large, showy white to pinkish-white flowers with prominent stamens. It's primarily cultivated for its flower buds (capers) and fruit (caper berries), which are pickled and used as a condiment. The plant has a sprawling, bushy growth habit and is well-adapted to arid environments, often found growing in rocky crevices and walls. It is primarily an outdoor plant, thriving in full sun and well-drained soil. People grow it for its edible buds and berries, as well as its ornamental value in Mediterranean-style gardens.

Capparaceae Mediterranean region
✨ Features: Edible flower buds and berries, drought tolerance, attractive flowers.
📖 Read Complete Caper Bush 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 Caper Bush Peacock Fern
Light Full sun (at least 6-8 hours of direct sunlight per day) Bright, indirect light. Avoid direct sunlight, which can scorch the delicate fronds.
Watering Every 1-2 weeks, depending on environmental conditions and soil drainage. Every 2-3 days, depending on humidity and temperature
Humidity 30-50% 70-90%
Temperature 15-30°C 18-24°C
Care Level Expert Moderate
Growth Rate Moderate Moderate
Max Height Unlikely to exceed 1 meter indoors, more likely 0.3-0.6m 0.3-0.6 meters
Pet Safety ❌ Toxic To Pets ✅ Safe
Soil Well-draining, slightly alkaline soil. A mix of potting soil, sand, and perlite is suitable. Well-draining, moisture-retentive mix such as peat moss, perlite, and vermiculite.
Beginner Friendly ❌ No With Caution
Weekly Maintenance 30 minutes weekly 15 minutes weekly

🔬 Botanical Information — Comparing These Plants

Caper Bush

Scientific Name Capparis spinosa
Family Capparaceae
Native To Mediterranean region
Also Known As Caper, Caperbush, Flinders Rose
Leaves The leaves are rounded to oval in shape, fleshy, and bluish-green in color. They are typically 2-5 cm long and have a waxy coating to reduce water loss.
Flowers The caper bush produces large, showy flowers that are white to pinkish-white with prominent purple stamens. Flowering is rare indoors but possible with optimal conditions.

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

Caper Bush

Height Unlikely to exceed 1 meter indoors, more likely 0.3-0.6m
Spread Up to 1 meter outdoors, less indoors
Growth Rate Moderate
Growth Pattern The caper bush has a sprawling, bushy growth habit. It can grow as a ground cover or climb over walls and rocks. It does not spread aggressively.

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

Caper Bush

Methods: Seed, Stem cuttings

Difficulty: Moderate

Tips: For stem cuttings, take semi-hardwood cuttings in late spring or early summer. Dip the cut end in rooting hormone and plant in a well-draining potting mix. Keep the soil moist and provide indirect light. Seeds require scarification and stratification for optimal germination.

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

Caper Bush

The caper bush is unique for its edible flower buds and berries, which are pickled and used as a condiment. It is also highly drought-tolerant and adapted to growing in harsh, rocky environments.

  • ✓ Edible flower buds and berries
  • ✓ Ornamental value with attractive flowers
  • ✓ Drought tolerance
  • ✓ Attracts pollinators
  • ✓ Unique addition to a garden
  • ⚠️ Toxic to pets

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

Caper Bush

Repotting Repot every 2-3 years, or when the plant becomes root-bound, using a slightly larger pot.
Pruning Prune in late winter or early spring to remove dead or damaged branches and to maintain shape. Regular pruning encourages bushier growth and more abundant flowering.
Fertilizing Use a balanced liquid fertilizer (10-10-10) diluted to half strength every 4-6 weeks during the growing season (spring and summer).
Seasonal Care During the growing season (spring and summer), water more frequently and fertilize regularly. In the fall and winter, reduce watering and withhold fertilizer. Provide bright light year-round.

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

Caper Bush

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

Low light tolerant: ❌ No

Peacock Fern

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

Low light tolerant: ❌ No

💧 Watering Needs

Caper Bush

Water thoroughly when the soil is dry to the touch. Avoid overwatering, as this can lead to root rot. Allow the soil to dry out slightly between waterings. Signs of underwatering include wilting leaves and dry, brittle stems. Overwatering can cause yellowing leaves and a mushy stem base.

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

Caper Bush

Temperature: 15-30°C

Humidity: 30-50%

Peacock Fern

Temperature: 18-24°C

Humidity: 70-90%

🤔 Which Plant Is Right For You?

Caper Bush

Caper Bush

Capparis spinosa
Care: Expert Time: 30 minutes weekly Beginner: No

Experienced gardeners seeking a unique ornamental plant and are willing to provide the specific conditions required for its survival.

✅ Choose This Plant If...

  • You live in a Mediterranean climate and can grow it outdoors.
  • You are an experienced gardener looking for a unique challenge.
  • You want to harvest your own capers.
  • You have a very sunny location.
  • You are willing to provide very well-draining soil.

❌ Skip This Plant If...

  • You have limited sunlight indoors.
  • You are a beginner gardener.
  • You have pets that might ingest the plant.
📍 Ideal Location: South-facing window with maximum sunlight exposure, or a greenhouse.
🎨 Style: Mediterranean, Rustic, Cottage
🏠 Apartment Friendly: No
⚠️ The ASPCA lists Capparis species as toxic to dogs, cats, and horses. The toxic principle is unknown. Symptoms include vomiting and diarrhea.
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 Peacock Fern ✓
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🎯

Caper Bush is rated Expert care level, while Peacock Fern is Moderate.

💡 Pro Tips For Comparing These Plants

Caper Bush Care Tips

Caper bushes are challenging to grow indoors due to their high light requirements and need for well-draining soil. They require consistent full sun and careful watering to prevent root rot. Providing adequate ventilation and avoiding overwatering are crucial for success. Expect limited growth and flowering indoors.

  • Provide at least 6-8 hours of direct sunlight daily.
  • Use a well-draining soil mix to prevent root rot.
  • Allow the soil to dry out slightly between waterings.
  • Fertilize regularly during the growing season.
  • Prune annually to maintain shape and encourage flowering.
❄️ Winter: Reduce watering during the winter months. Provide bright light and protect from frost if grown outdoors. Withhold fertilizer during dormancy.
☀️ Summer: Water more frequently during the summer months, especially during hot and dry periods. Provide adequate ventilation to prevent fungal diseases. Fertilize regularly to support growth and flowering.

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

Caper Bush

Common Issues: Root rot, Spider mites, Lack of flowering, Yellowing leaves
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Treat with fungicide if necessary. | Spider mites: Increase humidity and treat with insecticidal soap or neem oil. | Lack of flowering: Ensure adequate sunlight and proper fertilization. | Yellowing leaves: Check for overwatering, underwatering, or nutrient deficiencies. Adjust watering and fertilizing accordingly.

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

Caper Bush

What are the light requirements for Caper Bush?

Caper Bush demands abundant sunlight to thrive and produce its characteristic flowers. It needs at least 6-8 hours of direct sunlight daily. Inadequate light can lead to leggy growth, reduced flowering, and overall weakness. When grown indoors, place the plant near a south-facing window where it can receive maximum light exposure. If natural light is insufficient, supplement with grow lights. Rotate the plant regularly to ensure even light distribution. In extremely hot climates, some afternoon shade may be beneficial to prevent scorching. Monitor the plant for signs of light stress, such as pale leaves or stunted growth. Adjust its position accordingly. Adequate light is crucial for the Caper Bush to develop its flavorful caper buds.

How do I care for Caper Bush?

Caper Bush thrives in full sun and well-draining soil. Water deeply but infrequently, allowing the soil to dry out between waterings to prevent root rot. Fertilize sparingly, using a balanced fertilizer during the growing season (spring and summer) to encourage flowering. Prune lightly after flowering to maintain shape and remove any dead or damaged branches. In colder climates, provide winter protection or grow in a container that can be moved indoors. Caper Bush is relatively drought-tolerant once established. Ensure good air circulation to prevent fungal diseases. Monitor for pests like aphids or spider mites and treat accordingly. Repot container-grown plants every 2-3 years, using a well-draining potting mix. Avoid overwatering, which is the most common cause of problems. Provide support if the plant becomes too sprawling. Remember, less is often more when caring for Caper Bush.

How do I propagate Caper Bush?

Caper Bush can be propagated through stem cuttings. Take 4-6 inch cuttings from new growth in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in a well-draining potting mix and keep them moist. Place the cuttings in a warm, bright location, but out of direct sunlight. Roots should develop in a few weeks. Alternatively, you can propagate by seed, soaking the seeds for 24 hours before planting. While division is possible, it’s less common due to the plant’s deep root system and potential for disturbance. Cuttings are the most reliable method. Ensure humidity to promote root growth and prevent drying out.

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 1, 2026 — Plant care data reviewed and verified by our editorial team.