Crown of Thorns vs Mistletoe Cactus Plant Comparison

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

Crown of Thorns

Crown of Thorns

Euphorbia milii

VS
Mistletoe Cactus

Mistletoe Cactus

Rhipsalis baccifera

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
Mistletoe Cactus

Mistletoe Cactus

Rhipsalis baccifera

Rhipsalis baccifera, commonly known as Mistletoe Cactus, is an epiphytic cactus that grows in a cascading or trailing manner. Unlike desert cacti, it thrives in humid environments and often grows on trees in rainforests. Its stems are slender, cylindrical, and branching, resembling spaghetti or mistletoe. It produces small, white or greenish-white flowers followed by translucent white or pink berries. It's grown for its unique appearance and easy-care nature, making it a popular houseplant, though it's naturally an outdoor plant.

Cactaceae Tropical and subtropical America, Africa, and Asia
✨ Features: Unique cascading growth habit, air purifying qualities (though not extensively studied).
📖 Read Complete Mistletoe Cactus Guide

Quick Plant Comparison

Feature Crown of Thorns Mistletoe Cactus
Light Requires at least 4-6 hours of direct sunlight daily. Insufficient light will result in leggy growth and reduced flowering. Bright, indirect light. Can tolerate some direct morning sun, but avoid harsh afternoon sun.
Watering Every 2-3 weeks, depending on environmental conditions and pot size. Every 1-2 weeks, depending on environmental conditions
Humidity 30-50% 50-70%
Temperature 18-27°C 18-24°C
Care Level Moderate Easy
Growth Rate Slow Moderate
Max Height 0.3-0.6 meters (indoors) 30-90 cm (indoors)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining succulent or cactus mix Well-draining potting mix, such as a mix of peat moss, perlite, and orchid bark.
Beginner Friendly With Caution ✅ Yes
Weekly Maintenance 10 minutes weekly 5 minutes weekly

🔬 Botanical Information — Comparing These Plants

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.

Mistletoe Cactus

Scientific Name Rhipsalis baccifera
Family Cactaceae
Native To Tropical and subtropical America, Africa, and Asia
Also Known As Mistletoe Cactus, Spaghetti Cactus, Old Man's Beard
Leaves Leaves are absent; photosynthesis occurs in the stems. The stems are green, cylindrical, and slender, resembling spaghetti or mistletoe.
Flowers It can flower indoors, producing small, white or greenish-white flowers followed by translucent white or pink berries. Flowering is more likely with adequate light and proper care.

📏 Size & Growth — Plant Comparison

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.

Mistletoe Cactus

Height 30-90 cm (indoors)
Spread 30-60 cm
Growth Rate Moderate
Growth Pattern Trailing or cascading epiphytic cactus. Stems are slender, cylindrical, and branching, creating a weeping effect.

🌱 Propagation — Comparing Plant Growth

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.

Mistletoe Cactus

Methods: Stem cuttings

Difficulty: Easy

Tips: Take stem cuttings a few inches long and allow them to callous over for a few days before planting in well-draining soil. Keep the soil slightly moist until roots develop.

✨ Benefits & Features — Comparing Plant Value

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

Mistletoe Cactus

Unlike most cacti, it's epiphytic and thrives in humid environments. Its cascading growth habit and slender stems give it a unique and delicate appearance.

  • ✓ Adds a unique textural element to your home decor.
  • ✓ Relatively easy to care for, even for beginners.
  • ✓ Can tolerate some neglect.
  • ✓ Provides a touch of the tropics to your indoor space.
  • ✓ The cascading growth habit is visually appealing.
  • 🌬️ NASA-verified air purifier
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

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.

Mistletoe Cactus

Repotting Every 2-3 years, or when the plant becomes root-bound.
Pruning Prune to maintain shape and remove dead or damaged stems.
Fertilizing Balanced liquid fertilizer diluted to half strength, every 4-6 weeks during the growing season (spring and summer).
Seasonal Care Reduce watering in winter when growth slows. Provide bright light year-round.

🌞 Light Requirements

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

Mistletoe Cactus

Bright, indirect light. Can tolerate some direct morning sun, but avoid harsh afternoon sun.

Low light tolerant: ✅ Yes

💧 Watering Needs

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.

Mistletoe Cactus

Water thoroughly when the top inch of soil is dry. Allow excess water to drain away. Overwatering can lead to root rot, indicated by yellowing or mushy stems. Underwatering results in shriveled or wrinkled stems.

🌡️ Temperature & Humidity

Crown of Thorns

Temperature: 18-27°C

Humidity: 30-50%

Mistletoe Cactus

Temperature: 18-24°C

Humidity: 50-70%

🤔 Which Plant Is Right For You?

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.
Mistletoe Cactus

Mistletoe Cactus

Rhipsalis baccifera
Care: Easy Time: 5 minutes weekly Beginner: Yes

Someone looking for a low-maintenance, trailing plant with a unique appearance, but without pets.

✅ Choose This Plant If...

  • You want a unique trailing plant that doesn't require much attention.
  • You have a bright spot in your home that needs some greenery.
  • You appreciate the delicate, almost ethereal appearance of the cascading stems.
  • You want a plant that is relatively pest-resistant.
  • You are looking for a plant that can tolerate some neglect.

❌ Skip This Plant If...

  • You have pets that might ingest the plant.
  • You tend to overwater your plants.
  • You don't have a location with bright, indirect light.
📍 Ideal Location: Hanging basket near a bright window, bathroom with moderate humidity.
🎨 Style: Bohemian, Modern, Eclectic
🏠 Apartment Friendly: Yes
🌬️ Air Purifying: Yes (NASA verified)
⚠️ According to the ASPCA, Rhipsalis species are toxic to dogs, cats, and horses. Symptoms include vomiting, diarrhea, and depression. All parts of the plant are considered toxic.

🎯 Quick Verdict

Best for Beginners Mistletoe Cactus
Pet Friendly Neither - caution
Less Maintenance Mistletoe Cactus
Apartment Friendly Mistletoe Cactus

⚡ Key Differences Between These Plants

🎯

Crown of Thorns is rated Moderate care level, while Mistletoe Cactus is Easy.

📈

Crown of Thorns has slow growth, while Mistletoe Cactus grows moderate.

💡 Pro Tips For Comparing These Plants

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.

Mistletoe Cactus Care Tips

Mistletoe Cactus is relatively easy to care for, thriving in bright, indirect light and well-draining soil. Avoid overwatering and provide adequate humidity. It's toxic to pets, so keep it out of reach.

  • Allow the soil to dry slightly between waterings to prevent root rot.
  • Provide bright, indirect light for optimal growth and flowering.
  • Mist the plant occasionally to increase humidity, especially in dry environments.
  • Fertilize regularly during the growing season with a balanced liquid fertilizer.
  • Inspect the plant regularly for pests and diseases.
❄️ Winter: Reduce watering frequency as growth slows down. Ensure the plant still receives adequate light. Avoid placing it near cold drafts.
☀️ Summer: Water more frequently during the growing season. Protect from intense afternoon sun, which can scorch the stems. Increase humidity if necessary.

⚠️ Common Problems & Solutions — Plant Care Comparison

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.

Mistletoe Cactus

Common Issues: Root rot, Stem shriveling, Mealybugs, Lack of flowering
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Repot if necessary. | Stem shriveling: Increase watering frequency or humidity. | Mealybugs: Treat with insecticidal soap or neem oil. | Lack of flowering: Provide adequate light and fertilizer during the growing season.

❓ Frequently Asked Questions — Comparing These 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).

Mistletoe Cactus

What are the light requirements for Mistletoe Cactus?

Mistletoe Cactus thrives in bright, indirect light. Direct sunlight can scorch the delicate stems, so avoid placing it in a south-facing window without some form of filtration. An east- or west-facing window is ideal, providing ample light without the harsh intensity. If you notice the stems becoming pale or elongated, it may indicate insufficient light. Consider supplementing with a grow light if natural light is limited. Rotate the plant regularly to ensure even growth on all sides. Insufficient light can lead to leggy growth and reduced flowering.

How do I care for Mistletoe Cactus?

Mistletoe Cactus is relatively easy to care for, making it a popular choice for beginners. Provide bright, indirect light; avoid direct sunlight, which can scorch the stems. Water sparingly, allowing the soil to dry out completely between waterings, especially during the winter dormancy. Use a well-draining potting mix specifically formulated for cacti and succulents. Maintain moderate temperatures (65-75°F or 18-24°C) and avoid exposing the plant to drafts or sudden temperature changes. Fertilize lightly during the growing season (spring and summer) with a balanced liquid fertilizer diluted to half strength. Prune any dead or damaged stems to encourage new growth. Repot only when the plant becomes root-bound.

How do I propagate Mistletoe Cactus?

Mistletoe Cactus can be easily propagated using stem cuttings or seeds. For stem cuttings, allow the cut end to callus over for a few days before planting in well-draining soil. Keep the soil slightly moist until roots develop. Seeds can be sown in a similar potting mix, but germination can be slow and inconsistent. Offsets, if present, can be carefully removed and planted separately. Grafting is possible, but typically unnecessary for home propagation. Rooting hormone can speed up the propagation process, but is not essential. Provide bright, indirect light and warmth for successful propagation.

Last updated: May 14, 2026 — Plant care data reviewed and verified by our editorial team.