Anthurium vs Crown of Thorns Plant Comparison

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

Anthurium

Anthurium

Anthurium andraeanum

VS
Crown of Thorns

Crown of Thorns

Euphorbia milii

Anthurium

Anthurium

Anthurium andraeanum

Anthurium andraeanum is a popular tropical plant known for its vibrant, heart-shaped spathe (modified leaf) and spadix (flower spike). It is an epiphyte in its natural habitat, growing on other plants. While it can be grown indoors, it requires specific conditions to thrive. The plant's glossy, dark green leaves provide a beautiful contrast to the colorful spathes, which come in shades of red, pink, white, and green. People grow it for its long-lasting, exotic-looking flowers and its ability to add a touch of the tropics to their homes.

Araceae Colombia and Ecuador
✨ Features: Long-lasting blooms, vibrant colors, air purifying qualities (though not significant).
📖 Read Complete Anthurium 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 Anthurium Crown of Thorns
Light Bright, indirect light. Avoid direct sunlight, which can scorch the leaves. Requires at least 4-6 hours of direct sunlight daily. Insufficient light will result in leggy growth and reduced flowering.
Watering Every 7-10 days, depending on environmental conditions Every 2-3 weeks, depending on environmental conditions and pot size.
Humidity 60-80% 30-50%
Temperature 18-27°C 18-27°C
Care Level Moderate Moderate
Growth Rate Moderate Slow
Max Height 30-60 cm 0.3-0.6 meters (indoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining potting mix, such as a mix of peat moss, perlite, and orchid bark. Well-draining succulent or cactus mix
Beginner Friendly With Caution With Caution
Weekly Maintenance 15 minutes weekly 10 minutes weekly

🔬 Botanical Information — Comparing These Plants

Anthurium

Scientific Name Anthurium andraeanum
Family Araceae
Native To Colombia and Ecuador
Also Known As Flamingo Flower, Tailflower, Painter's Palette
Leaves The leaves are large, heart-shaped, and glossy green. They are typically 15-30 cm long and have prominent veins. The texture is smooth and slightly waxy.
Flowers Anthurium andraeanum flowers indoors with proper care. The 'flower' is a modified leaf (spathe) that comes in various colors, including red, pink, white, and green. The spadix, which protrudes from the spathe, contains the actual small flowers.

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

Anthurium

Height 30-60 cm
Spread 30-45 cm
Growth Rate Moderate
Growth Pattern Anthurium andraeanum grows upright, forming a clump of leaves and flowers from a central stem. It does not trail or climb.

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

Anthurium

Methods: Division, Stem cuttings, Seed (though rare indoors)

Difficulty: Moderate

Tips: For division, separate the plant at the roots, ensuring each section has healthy roots and leaves. For stem cuttings, take a cutting with at least one leaf node and place it in water or moist sphagnum moss until roots develop.

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

Anthurium

The glossy, heart-shaped spathe is the most distinctive feature, making it a popular choice for floral arrangements. The long-lasting blooms provide extended beauty compared to many other flowering houseplants.

  • ✓ Adds a vibrant splash of color to any room.
  • ✓ Creates a tropical ambiance.
  • ✓ Offers a long-lasting display of blooms.
  • ✓ Can help to slightly improve indoor air quality.
  • ✓ Provides a sense of accomplishment for successful plant care.
  • 🌬️ NASA-verified air purifier
  • ⚠️ 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

Anthurium

Repotting Every 1-2 years, or when the plant becomes root-bound.
Pruning Remove dead or yellowing leaves and spent flower spathes.
Fertilizing Balanced liquid fertilizer (20-20-20) diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter as growth slows. Maintain humidity year-round. Provide supplemental light during darker winter months.

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

Anthurium

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

Low light tolerant: ❌ No

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

Anthurium

Water thoroughly when the top inch of soil feels dry. Allow excess water to drain away. Overwatering can lead to root rot, indicated by yellowing leaves and a mushy stem. Underwatering results in drooping leaves and dry, crispy edges.

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

Anthurium

Temperature: 18-27°C

Humidity: 60-80%

Crown of Thorns

Temperature: 18-27°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Anthurium

Anthurium

Anthurium andraeanum
Care: Moderate Time: 15 minutes weekly Beginner: With-caution

Experienced plant enthusiasts who can provide the necessary humidity and light conditions.

✅ Choose This Plant If...

  • You want a long-lasting flowering plant that adds a tropical touch to your home.
  • You can provide the high humidity levels this plant needs.
  • You are looking for a plant with vibrant, colorful blooms.
  • You have experience caring for tropical plants.
  • You want a plant that can tolerate some neglect once established.

❌ Skip This Plant If...

  • You struggle to maintain high humidity levels in your home.
  • You have pets that might ingest the plant.
  • You are a beginner plant owner looking for a low-maintenance option.
📍 Ideal Location: Bathroom (with sufficient light), bright kitchen, or living room near a humidifier.
🎨 Style: Tropical, Modern, Eclectic
🏠 Apartment Friendly: Limited
🌬️ Air Purifying: Yes (NASA verified)
⚠️ Toxic to dogs, cats, and horses. Contains insoluble calcium oxalates. Chewing or biting into this plant releases these crystals causing tissue irritation to the mouth and gastrointestinal tract. Symptoms include excessive drooling, oral pain, vomiting, and difficulty swallowing.
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

📈

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

💡 Pro Tips For Comparing These Plants

Anthurium Care Tips

Anthurium andraeanum requires bright, indirect light, high humidity, and well-draining soil. Maintaining consistent moisture without overwatering is crucial. Providing adequate humidity can be challenging in some indoor environments, often requiring a humidifier or pebble tray.

  • Maintain high humidity by using a humidifier or pebble tray.
  • Water with distilled or filtered water to avoid mineral buildup.
  • Wipe leaves regularly to remove dust and improve light absorption.
  • Provide bright, indirect light to encourage blooming.
  • Avoid placing near drafts or heating vents.
❄️ Winter: Reduce watering frequency in winter as growth slows. Ensure the plant is not exposed to cold drafts. Provide supplemental light if needed.
☀️ Summer: Water more frequently during the summer growing season. Ensure adequate humidity. Protect from intense direct sunlight.

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

Anthurium

Common Issues: Root rot, Leaf spot, Aphids, Mealybugs
Solutions: Root rot: Improve drainage and reduce watering frequency. Leaf spot: Remove affected leaves and improve air circulation. Aphids/Mealybugs: Treat 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

Anthurium

What are the light requirements for Anthurium?

Anthuriums need bright, indirect light to thrive and produce abundant blooms. Direct sunlight can scorch their leaves, so avoid placing them in south-facing windows without some form of shading. East- or west-facing windows are ideal, providing gentle morning or afternoon light. If you don’t have access to natural light, you can supplement with fluorescent or LED grow lights. Insufficient light will result in fewer blooms and leggy growth. Rotate your Anthurium regularly to ensure even light exposure on all sides. Observe your plant closely for signs of too much or too little light and adjust its placement accordingly.

How do I care for Anthurium?

Anthuriums thrive in bright, indirect light. Water thoroughly when the top inch of soil feels dry, allowing excess water to drain. Maintain high humidity (60-80%) by misting regularly or using a humidifier. Fertilize monthly during the growing season (spring-summer) with a balanced liquid fertilizer diluted to half strength. Use a well-draining potting mix, such as a blend of orchid bark, perlite, and peat moss. Repot every 1-2 years as needed, choosing a pot only slightly larger than the previous one. Keep temperatures between 65-80°F (18-27°C). Avoid placing your Anthurium near drafts or heating vents. Clean the leaves regularly with a damp cloth to remove dust. Prune dead or yellowing leaves at the base of the plant. Monitor for pests like spider mites or mealybugs and treat promptly.

How do I propagate Anthurium?

Anthuriums can be propagated by division, stem cuttings, or from keikis (small plantlets that grow on the stem). For division, carefully separate the plant into smaller clumps, ensuring each clump has roots and leaves. Repot each clump into its own pot. For stem cuttings, take a cutting with at least one node and place it in water or moist sphagnum moss until roots develop. Once roots are established, plant in potting mix. Keikis can be removed from the mother plant once they have roots and planted in their own pot. Maintain high humidity and warm temperatures during propagation. Avoid disturbing the roots too much during the process.

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 30, 2026 — Plant care data reviewed and verified by our editorial team.