Barrenwort vs Crown of Thorns Plant Comparison

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

Barrenwort

Barrenwort

Epimedium spp.

VS
Crown of Thorns

Crown of Thorns

Euphorbia milii

Barrenwort

Barrenwort

Epimedium spp.

Epimedium, commonly known as barrenwort, is a genus of rhizomatous herbaceous perennial plants. They are valued for their attractive foliage, delicate spring flowers, and tolerance of dry shade. The leaves are typically compound, with heart-shaped leaflets, and often have interesting textures and colors, including bronze, red, and green. The flowers are small and spurred, resembling tiny bishops' hats or fairy wings. Epimedium is primarily grown as a ground cover in shady gardens, providing year-round interest and suppressing weeds. It is not naturally an indoor plant.

Berberidaceae Asia, particularly China, Korea, and Japan; some species from Southern Europe
✨ Features: Drought tolerant once established, attractive foliage, deer resistant.
📖 Read Complete Barrenwort Guide
Crown of Thorns

Crown of Thorns

Euphorbia milii

Euphorbia milii, commonly known as Crown of Thorns, is a succulent shrub characterized by its thorny stems and vibrant bracts surrounding small, inconspicuous flowers. Native to Madagascar, it is a popular ornamental plant grown for its drought tolerance and long-lasting blooms. It typically grows as a sprawling shrub, reaching up to 1-2 meters in height. While it can be grown indoors, it thrives best with ample sunlight, often making it more suitable as an outdoor plant in warmer climates. People grow it for its unique appearance and relatively easy care.

Euphorbiaceae Madagascar
✨ Features: Long-lasting blooms, drought tolerance
📖 Read Complete Crown of Thorns Guide

Quick Plant Comparison

Feature Barrenwort Crown of Thorns
Light Partial to full shade. Avoid direct sunlight, especially during the hottest part of the day. Requires at least 4-6 hours of direct sunlight daily. Insufficient light will result in leggy growth and reduced flowering.
Watering Every 1-2 weeks, depending on soil and climate conditions. Every 2-3 weeks, depending on environmental conditions and pot size.
Humidity 30-60% 30-50%
Temperature 10-24°C 18-27°C
Care Level Expert Moderate
Growth Rate Moderate Slow
Max Height 20-45 cm 0.3-0.6 meters (indoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining soil rich in organic matter. A mix of garden soil, compost, and perlite is suitable. Well-draining succulent or cactus mix
Beginner Friendly ❌ No With Caution
Weekly Maintenance 5 minutes weekly (mostly for watering and occasional pruning) 10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Barrenwort

Scientific Name Epimedium spp.
Family Berberidaceae
Native To Asia, particularly China, Korea, and Japan; some species from Southern Europe
Also Known As Barrenwort, Bishop's Hat, Fairy Wings, Horny Goat Weed
Leaves The leaves of Epimedium are typically compound, with heart-shaped leaflets that are often leathery in texture. Leaf color varies depending on the species and cultivar, ranging from green to bronze, red, or purple. Some varieties have variegated foliage. The leaves are usually 5-10 cm long.
Flowers Epimedium rarely flowers indoors. Outdoors, it produces delicate, spurred flowers in spring. The flowers are small, typically less than 2.5 cm across, and come in a variety of colors, including white, yellow, pink, and purple. They are often described as resembling tiny bishops' hats or fairy wings.

Crown of Thorns

Scientific Name Euphorbia milii
Family Euphorbiaceae
Native To Madagascar
Also Known As Crown of Thorns, Christ Plant, Christ Thorn
Leaves The leaves are small, oval-shaped, and typically bright green. They are deciduous, meaning they may drop off during periods of stress or dormancy, especially in winter.
Flowers It can flower indoors, but flowering is more prolific with ample sunlight. The true flowers are small and inconspicuous, surrounded by colorful bracts that can be red, pink, yellow, or white.

📏 Size & Growth — Plant Comparison

Barrenwort

Height 20-45 cm
Spread 30-60 cm (spreads via rhizomes)
Growth Rate Moderate
Growth Pattern Epimedium grows as a low-spreading ground cover, forming a dense mat through its rhizomatous roots. It sends up new shoots in the spring, producing foliage and flowers. The plant gradually expands outwards, filling in gaps and suppressing weeds.

Crown of Thorns

Height 0.3-0.6 meters (indoors)
Spread 0.3-0.5 meters
Growth Rate Slow
Growth Pattern The plant grows as an upright, branching shrub with thick, thorny stems. It can become somewhat sprawling as it matures, especially if not pruned regularly.

🌱 Propagation — Comparing Plant Growth

Barrenwort

Methods: Division, Seed

Difficulty: Moderate

Tips: Divide established clumps in early spring or fall. Ensure each division has healthy roots and shoots. Sow seeds in a cold frame in the fall.

Crown of Thorns

Methods: Stem cuttings

Difficulty: Easy

Tips: Allow the cut end to callus over for a few days before planting in well-draining soil. Use rooting hormone for better success.

✨ Benefits & Features — Comparing Plant Value

Barrenwort

Epimedium is known for its unique spurred flowers and attractive foliage, which often changes color throughout the seasons. Its ability to thrive in dry shade makes it a valuable ground cover option for challenging garden areas. The plant's rhizomatous growth habit allows it to spread and form a dense mat, suppressing weeds.

  • ✓ Provides ground cover in shady areas
  • ✓ Deer resistant
  • ✓ Attracts pollinators
  • ✓ Adds visual interest with unique foliage and flowers
  • ✓ Drought tolerant once established
  • ⚠️ Toxic to pets

Crown of Thorns

The Crown of Thorns is unique due to its thorny stems and the colorful bracts that surround its small flowers. Unlike many flowering plants, the bracts provide color for extended periods, making it a long-lasting ornamental plant.

  • ✓ Drought tolerance makes it easy to care for
  • ✓ Long-lasting blooms add color to your space
  • ✓ Unique appearance provides visual interest
  • ✓ Can tolerate neglect, making it suitable for busy individuals
  • ✓ Adds a touch of history and symbolism to your plant collection
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Barrenwort

Repotting Not applicable as it's not ideal for indoor growing. If grown in a container, divide and repot every 2-3 years to prevent overcrowding.
Pruning Cut back old foliage in late winter or early spring before new growth emerges.
Fertilizing Apply a balanced slow-release fertilizer in early spring. Avoid over-fertilizing.
Seasonal Care In fall, cut back foliage to tidy up the plant and promote new growth in spring. Mulch around the base of the plant to protect the roots during winter.

Crown of Thorns

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Prune to maintain shape and remove dead or damaged stems. Wear gloves to avoid skin irritation from the sap.
Fertilizing Balanced liquid fertilizer (10-10-10) diluted to half strength, applied every 2-3 months during the growing season (spring/summer).
Seasonal Care Reduce watering in winter. Provide bright light year-round. Protect from frost.

🌞 Light Requirements

Barrenwort

Partial to full shade. Avoid direct sunlight, especially during the hottest part of the day.

Low light tolerant: ✅ Yes

Crown of Thorns

Requires at least 4-6 hours of direct sunlight daily. Insufficient light will result in leggy growth and reduced flowering.

Low light tolerant: ❌ No

💧 Watering Needs

Barrenwort

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. During the dormant season (winter), reduce watering frequency.

Crown of Thorns

Allow the soil to dry out completely between waterings. Overwatering can lead to root rot. Water thoroughly when the soil is dry to the touch. Signs of overwatering include yellowing leaves and stem rot. Underwatering will cause leaf drop and shriveling.

🌡️ Temperature & Humidity

Barrenwort

Temperature: 10-24°C

Humidity: 30-60%

Crown of Thorns

Temperature: 18-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Barrenwort

Barrenwort

Epimedium spp.
Care: Expert Time: 5 minutes weekly (mostly for watering and occasional pruning) Beginner: No

Gardeners looking for a low-maintenance ground cover for shady areas.

✅ Choose This Plant If...

  • You need a shade-tolerant ground cover that is deer resistant.
  • You appreciate plants with interesting foliage and delicate flowers.
  • You want a low-maintenance plant that can suppress weeds.
  • You have a dry, shady area in your garden where other plants struggle.
  • You are looking for a plant with medicinal properties (though consult a professional).

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You are looking for a plant that thrives indoors without specialized care.
  • You live in a very hot, sunny climate.
📍 Ideal Location: Shady garden bed or woodland garden. Not ideal for indoors.
🎨 Style: Woodland, Cottage, Naturalistic
🏠 Apartment Friendly: No
⚠️ Epimedium species contain compounds that can be toxic to dogs, cats, and horses. Symptoms may include gastrointestinal upset (vomiting, diarrhea), drooling, and skin irritation. All parts of the plant are considered toxic.
Crown of Thorns

Crown of Thorns

Euphorbia milii
Care: Moderate Time: 10 minutes weekly Beginner: With-caution

Experienced plant owners who can provide bright light and are aware of the plant's toxicity.

✅ Choose This Plant If...

  • You want a drought-tolerant plant that flowers for a long period.
  • You have a sunny location where the plant can thrive.
  • You are experienced with caring for succulents and understand their watering needs.
  • You are looking for a unique and interesting plant with a historical connection.
  • You can keep the plant away from pets and children due to its toxicity.

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You cannot provide adequate sunlight.
  • You tend to overwater plants.
  • You are looking for a low-maintenance plant that thrives in low-light conditions.
📍 Ideal Location: South-facing window or sunny patio
🎨 Style: Desert, Southwestern, Eclectic
🏠 Apartment Friendly: Limited
⚠️ All parts of the plant contain a milky sap that is toxic to dogs, cats, and horses. Symptoms include oral irritation, vomiting, diarrhea, and skin irritation upon contact. According to the ASPCA, ingestion can cause gastrointestinal upset and skin irritation.

🎯 Quick Verdict

Best for Beginners Neither ideal
Pet Friendly Neither - caution
Less Maintenance Similar effort
Apartment Friendly Check space

⚡ Key Differences Between These Plants

🎯

Barrenwort is rated Expert care level, while Crown of Thorns is Moderate.

📈

Barrenwort has moderate growth, while Crown of Thorns grows slow.

💡 Pro Tips For Comparing These Plants

Barrenwort Care Tips

Barrenwort is primarily an outdoor plant best suited for shady gardens. While it can be grown indoors, it requires very specific conditions (cool temperatures, high humidity, and shade) and is unlikely to thrive long-term. Maintaining proper humidity and preventing root rot are key challenges.

  • Plant in well-draining soil to prevent root rot.
  • Provide consistent moisture, especially during dry periods.
  • Mulch around the base of the plant to retain moisture and suppress weeds.
  • Divide established clumps every few years to rejuvenate the plant.
  • Protect from harsh afternoon sun to prevent leaf scorch.
❄️ Winter: In winter, Epimedium goes dormant. Cut back the old foliage to tidy up the plant and promote new growth in spring. Mulch around the base of the plant to protect the roots from freezing temperatures.
☀️ Summer: During the summer, ensure Epimedium receives adequate moisture, especially during dry periods. Protect the plant from harsh afternoon sun to prevent leaf scorch. Mulch around the base of the plant to retain moisture and keep the roots cool.

Crown of Thorns Care Tips

Crown of Thorns requires bright sunlight and well-draining soil. Overwatering is a common issue. It can be grown indoors with sufficient light, but may not flower as profusely as when grown outdoors. Toxicity to pets is a significant concern.

  • Provide at least 4-6 hours of direct sunlight daily for optimal growth and flowering.
  • Allow the soil to dry out completely between waterings to prevent root rot.
  • Use a well-draining succulent or cactus mix to ensure proper drainage.
  • Fertilize sparingly during the growing season with a balanced liquid fertilizer.
  • Wear gloves when pruning or handling the plant to avoid skin irritation from the sap.
❄️ Winter: Reduce watering significantly during the winter months. Ensure the plant receives as much sunlight as possible. Protect from frost.
☀️ Summer: Water more frequently during the summer growing season, but still allow the soil to dry out between waterings. Provide adequate ventilation to prevent fungal diseases.

⚠️ Common Problems & Solutions — Plant Care Comparison

Barrenwort

Common Issues: Root rot, Powdery mildew, Aphids
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Powdery mildew: Improve air circulation and apply a fungicide if necessary. Aphids: Spray with insecticidal soap or neem oil.

Crown of Thorns

Common Issues: Root rot, spider mites, mealybugs, leaf drop
Solutions: Root rot: Improve drainage, reduce watering frequency. Spider mites: Insecticidal soap or neem oil. Mealybugs: Isopropyl alcohol or insecticidal soap. Leaf drop: Adjust watering and light levels.

❓ Frequently Asked Questions — Comparing These Plants

Barrenwort

What are the light requirements for Barrenwort?

Barrenwort prefers partial to full shade. While some morning sun can be beneficial, especially in cooler climates, avoid exposing it to direct afternoon sunlight, which can scorch the leaves. Dappled shade, such as that found under trees, is ideal. The intensity of light can affect the plant’s foliage color; more shade may result in deeper green leaves, while brighter indirect light can enhance the bronze or reddish hues in some varieties. Observe your plant’s foliage for signs of stress, such as pale or yellowing leaves, which may indicate too much light. Consider the location of your Barrenwort in relation to the sun’s path throughout the day to ensure it receives adequate shade protection.

How do I care for Barrenwort?

Barrenwort thrives in partial to full shade, requiring protection from harsh sunlight, especially during the hottest part of the day. Plant in well-draining soil rich in organic matter. Water regularly during the first growing season to establish a strong root system; after that, it is relatively drought-tolerant. Fertilize in early spring with a balanced, slow-release fertilizer to promote healthy growth and abundant flowering. Prune away any dead or damaged foliage in late winter or early spring before new growth emerges. Mulch around the plants to retain moisture, suppress weeds, and regulate soil temperature. Divide established clumps every few years to rejuvenate the plants and prevent overcrowding. Monitor for pests such as aphids and spider mites, and treat as needed with insecticidal soap. Barrenwort is generally low-maintenance and disease-resistant.

How do I propagate Barrenwort?

Barrenwort can be propagated by division, a relatively simple method. In early spring or fall, carefully dig up an established clump and divide it into smaller sections, ensuring each section has roots and foliage. Replant the divisions in well-draining soil and water thoroughly. Stem cuttings are possible but more challenging. Take semi-hardwood cuttings in late spring, dip them in rooting hormone, and plant them in a moist potting mix. Keep the cuttings humid and warm until they root. Keiki formation is not a typical method of propagation for Barrenwort. Root division is the most reliable way to produce new plants.

Crown of Thorns

What are the light requirements for Crown of Thorns?

Crown of Thorns requires bright, direct sunlight to thrive. Ideally, place it in a south-facing window where it can receive at least 4-6 hours of sunlight per day. Insufficient light can lead to leggy growth, reduced flowering, and a loss of vibrancy in the bracts. If you don’t have a sufficiently sunny window, consider supplementing with a grow light. Rotate the plant regularly to ensure even light exposure on all sides. During the summer months, you can move your Crown of Thorns outdoors to a sunny location, but be sure to acclimate it gradually to avoid sunburn. The plant’s ability to flower profusely depends on adequate light.

How do I care for Crown of Thorns?

Crown of Thorns thrives on neglect, making it an easy-care succulent. Plant it in well-draining soil, such as a cactus mix, to prevent root rot. Provide it with bright, direct sunlight for at least 4-6 hours daily. Water sparingly, allowing the soil to dry completely between waterings. Reduce watering frequency during the dormant winter months. Fertilize lightly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Maintain a room temperature between 65-75°F (18-24°C). Avoid overwatering, as this is the most common cause of problems. Repot every 2-3 years, or when the plant becomes root-bound. Prune to maintain shape and remove dead or damaged stems. Be cautious of the milky sap, which can be irritating to the skin and eyes.

How do I propagate Crown of Thorns?

Crown of Thorns can be propagated through stem cuttings. Allow the cut end to callous over for several days before planting in well-draining soil. Keep the soil slightly moist until roots develop. Leaf cuttings are not generally successful. Offsets, or small plantlets that grow at the base of the plant, can be carefully separated and potted individually. Wear gloves to protect your skin from the irritating sap. Rooting hormone can improve the success rate of stem cuttings. Provide bright, indirect light during the rooting process. Avoid overwatering, as this can lead to rot. Propagation is best done during the growing season (spring and summer).

Last updated: April 27, 2026 — Plant care data reviewed and verified by our editorial team.