Devil's Backbone vs Lavender Cotton Plant Comparison

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

Devil's Backbone

Devil's Backbone

Euphorbia tithymaloides

VS
Lavender Cotton

Lavender Cotton

Santolina chamaecyparissus

Devil's Backbone

Devil's Backbone

Euphorbia tithymaloides

Euphorbia tithymaloides, commonly known as Devil's Backbone, is a succulent shrub characterized by its unique zig-zagging stems and fleshy, ovate leaves. It can grow up to 6-8 feet tall outdoors, but typically remains smaller when grown as a houseplant. The leaves are typically green, but variegated forms with white or pink edges are also popular. Small, slipper-shaped red or pink flowers appear sporadically. It's grown for its unusual form and ease of care, though it's important to note its toxicity.

Euphorbiaceae Central America, South America, Caribbean
✨ Features: Unique zig-zag stems, variegated foliage options
📖 Read Complete Devil's Backbone Guide
Lavender Cotton

Lavender Cotton

Santolina chamaecyparissus

Lavender Cotton is a small, aromatic evergreen shrub characterized by its silvery-gray, finely divided foliage. It typically grows to a height of 1-2 feet. It is primarily grown outdoors as a ground cover, edging plant, or in rock gardens for its unique texture and aromatic properties. While it can be grown indoors, it requires very bright light and well-draining soil to thrive, making it challenging for most indoor environments. Its button-like yellow flowers appear in summer, adding further interest.

Asteraceae Mediterranean region
✨ Features: Aromatic foliage, drought tolerance, deer resistance
📖 Read Complete Lavender Cotton Guide

Quick Plant Comparison

Feature Devil's Backbone Lavender Cotton
Light Bright indirect light to partial sun. Avoid intense, direct sunlight, especially during the hottest part of the day. Full sun (at least 6 hours of direct sunlight per day)
Watering Every 2-3 weeks, depending on environmental conditions Every 1-2 weeks, depending on weather and soil drainage
Humidity 30-50% 30-50%
Temperature 18-24°C 15-25°C
Care Level Easy Expert
Growth Rate Moderate Moderate
Max Height 0.6-1.2 meters (2-4 feet) indoors 0.3-0.6 meters (indoors unlikely to reach this height)
Pet Safety ❌ Toxic To Pets ❌ Toxic To Pets
Soil Well-draining succulent or cactus mix Well-draining, sandy or gravelly soil
Beginner Friendly ✅ Yes ❌ No
Weekly Maintenance 5 minutes weekly 15 minutes weekly (including watering and pruning)

🔬 Botanical Information — Comparing These Plants

Devil's Backbone

Scientific Name Euphorbia tithymaloides
Family Euphorbiaceae
Native To Central America, South America, Caribbean
Also Known As Devil's Backbone, Zig Zag Plant, Pedilanthus tithymaloides, Redbird Cactus, Christmas Candle
Leaves The leaves are fleshy, ovate, and typically green, although variegated forms with white or pink margins are common. They are arranged alternately along the zig-zagging stems.
Flowers It can flower indoors, producing small, slipper-shaped red or pink flowers. However, flowering is not guaranteed and is more common in mature plants grown in optimal conditions.

Lavender Cotton

Scientific Name Santolina chamaecyparissus
Family Asteraceae
Native To Mediterranean region
Also Known As Lavender Cotton, Cotton Lavender
Leaves The leaves are finely divided, linear, and silvery-gray in color. They are densely packed along the stems, giving the plant a soft, cottony appearance.
Flowers Lavender Cotton produces small, button-like yellow flowers in summer. While it may flower indoors under ideal conditions, it is more likely to flower profusely outdoors.

📏 Size & Growth — Plant Comparison

Devil's Backbone

Height 0.6-1.2 meters (2-4 feet) indoors
Spread 0.3-0.6 meters (1-2 feet)
Growth Rate Moderate
Growth Pattern It grows as an upright, branching shrub with zig-zagging stems. New growth emerges from the tips of the stems.

Lavender Cotton

Height 0.3-0.6 meters (indoors unlikely to reach this height)
Spread 0.3-0.6 meters
Growth Rate Moderate
Growth Pattern Lavender Cotton is a compact, bushy shrub that typically grows upright. It can spread to form a dense ground cover over time.

🌱 Propagation — Comparing Plant Growth

Devil's Backbone

Methods: Stem cuttings

Difficulty: Easy

Tips: 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.

Lavender Cotton

Methods: Stem cuttings, Seed

Difficulty: Moderate

Tips: Take stem cuttings in late spring or early summer. Use rooting hormone and plant in well-draining soil. Keep the soil moist but not waterlogged. Seeds can be sown in spring after the last frost.

✨ Benefits & Features — Comparing Plant Value

Devil's Backbone

The Devil's Backbone is unique due to its zig-zagging stems and fleshy leaves, which give it a distinctive architectural form. The variegated varieties add further visual interest with their colorful foliage.

  • ✓ Adds visual interest with its unique form.
  • ✓ Relatively low-maintenance and easy to care for.
  • ✓ Drought-tolerant, making it suitable for forgetful plant owners.
  • ✓ Can be easily propagated to create new plants.
  • ✓ Adds a touch of the desert to your indoor space.
  • ⚠️ Toxic to pets

Lavender Cotton

Lavender Cotton is known for its finely divided, silvery-gray foliage and button-like yellow flowers. Its aromatic foliage releases a pleasant scent when brushed or crushed, making it a popular choice for sensory gardens.

  • ✓ Drought tolerance reduces water consumption
  • ✓ Aromatic foliage adds sensory interest to the garden
  • ✓ Deer resistance minimizes garden damage
  • ✓ Low maintenance reduces gardening effort
  • ✓ Provides habitat for beneficial insects
  • ⚠️ Toxic to pets

📅 Maintenance Schedule — Plant Care Comparison

Devil's Backbone

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

Lavender Cotton

Repotting Not typically repotted if grown outdoors. If grown in a container, repot every 2-3 years or as needed.
Pruning Prune regularly to maintain shape and prevent legginess. Prune after flowering to encourage bushier growth.
Fertilizing Low-nitrogen fertilizer, applied sparingly in spring
Seasonal Care In winter, reduce watering and protect from excessive moisture. In summer, ensure adequate sunlight and water when the soil is dry. Prune after flowering to maintain shape.

🌞 Light Requirements

Devil's Backbone

Bright indirect light to partial sun. Avoid intense, direct sunlight, especially during the hottest part of the day.

Low light tolerant: ❌ No

Lavender Cotton

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

Low light tolerant: ❌ No

💧 Watering Needs

Devil's Backbone

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. Reduce watering frequency during the winter months. Signs of overwatering include yellowing leaves and stem rot. Underwatering can cause leaf drop and shriveling.

Lavender Cotton

Water thoroughly when the top inch of soil feels dry. Avoid overwatering, as this can lead to root rot. In containers, ensure good drainage. Signs of overwatering include yellowing leaves and a musty smell. Underwatering is indicated by wilting and crispy leaves.

🌡️ Temperature & Humidity

Devil's Backbone

Temperature: 18-24°C

Humidity: 30-50%

Lavender Cotton

Temperature: 15-25°C

Humidity: 30-50%

🤔 Which Plant Is Right For You?

Devil's Backbone

Devil's Backbone

Euphorbia tithymaloides
Care: Easy Time: 5 minutes weekly Beginner: Yes

Someone looking for a unique and low-maintenance succulent with an interesting architectural form.

✅ Choose This Plant If...

  • You want a low-maintenance plant that doesn't need much attention.
  • You appreciate unique and unusual plant forms.
  • You have a bright, sunny spot in your home.
  • You are looking for a plant that is relatively drought-tolerant.
  • You want a plant that is easy to propagate.

❌ Skip This Plant If...

  • You have pets or small children who might ingest the plant.
  • You are prone to overwatering plants.
  • You don't have a bright enough location.
  • You are looking for a plant with showy flowers.
📍 Ideal Location: Bright windowsill, sunroom, or well-lit shelf
🎨 Style: Modern, Bohemian, Southwestern
🏠 Apartment Friendly: Yes
⚠️ All parts of the plant contain a milky sap that is toxic if ingested or comes into contact with skin or eyes. Can cause irritation, vomiting, diarrhea, and dermatitis in dogs, cats, and horses.
Lavender Cotton

Lavender Cotton

Santolina chamaecyparissus
Care: Expert Time: 15 minutes weekly (including watering and pruning) Beginner: No

Experienced gardeners seeking a drought-tolerant, aromatic ground cover for sunny locations.

✅ Choose This Plant If...

  • You want a drought-tolerant plant for a sunny garden
  • You appreciate aromatic foliage
  • You need a deer-resistant plant
  • You want a low-maintenance ground cover
  • You are an experienced gardener willing to provide optimal conditions.

❌ Skip This Plant If...

  • You have pets that might ingest the plant
  • You cannot provide full sun
  • You tend to overwater plants
📍 Ideal Location: Outdoor rock garden or sunny border
🎨 Style: Mediterranean, Cottage, Xeriscape
🏠 Apartment Friendly: No
⚠️ According to the ASPCA, Santolina species contain sesquiterpene lactones which can cause gastrointestinal upset and dermatitis in dogs, cats, and horses. Symptoms include vomiting, diarrhea, anorexia, and skin irritation.

🎯 Quick Verdict

Best for Beginners Devil's Backbone
Pet Friendly Neither - caution
Less Maintenance Devil's Backbone
Apartment Friendly Devil's Backbone

⚡ Key Differences Between These Plants

🎯

Devil's Backbone is rated Easy care level, while Lavender Cotton is Expert.

💡 Pro Tips For Comparing These Plants

Devil's Backbone Care Tips

Devil's Backbone is a relatively easy-care succulent that thrives in bright, indirect light and well-draining soil. Avoid overwatering and protect from frost. Be mindful of its toxic sap and keep it away from pets and children.

  • Allow the soil to dry out completely between waterings to prevent root rot.
  • Provide bright, indirect light for optimal growth and color.
  • Fertilize sparingly during the growing season.
  • Wear gloves when handling the plant to avoid skin irritation from the sap.
  • Rotate the plant regularly to ensure even growth.
❄️ Winter: Reduce watering frequency during the winter months as the plant's growth slows down. Ensure the plant is protected from cold drafts and temperatures below 10°C.
☀️ Summer: Provide adequate ventilation and avoid exposing the plant to intense, direct sunlight during the hottest part of the day. Water more frequently as the soil dries out faster in warmer temperatures.

Lavender Cotton Care Tips

Lavender Cotton is primarily an outdoor plant that requires full sun and well-draining soil. Indoor cultivation is challenging due to the high light requirements. It is susceptible to root rot if overwatered. Pruning is necessary to maintain shape and prevent legginess. Due to its toxicity to pets, consider this before planting.

  • Ensure excellent drainage to prevent root rot.
  • Prune regularly to maintain shape and prevent legginess.
  • Provide full sun for optimal growth and flowering.
  • Avoid overwatering, especially during the winter months.
  • Fertilize sparingly with a low-nitrogen fertilizer in spring.
❄️ Winter: Reduce watering during the winter months. Protect from excessive moisture and frost, especially in colder climates. Avoid fertilizing during dormancy.
☀️ Summer: Ensure adequate sunlight and water when the soil is dry. Prune after flowering to maintain shape and encourage bushier growth. Monitor for pests such as aphids and spider mites.

⚠️ Common Problems & Solutions — Plant Care Comparison

Devil's Backbone

Common Issues: Root rot, mealybugs, spider mites, leaf drop
Solutions: Root rot: Improve drainage and reduce watering frequency. Mealybugs/Spider mites: Treat with insecticidal soap or neem oil. Leaf drop: Adjust watering and light conditions.

Lavender Cotton

Common Issues: Root rot, Leggy growth, Aphids, Spider mites
Solutions: Root rot: Ensure well-draining soil and avoid overwatering. Leggy growth: Prune regularly to encourage bushier growth. Aphids: Spray with insecticidal soap. Spider mites: Increase humidity and treat with miticide.

❓ Frequently Asked Questions — Comparing These Plants

Devil's Backbone

What are the light requirements for Devil's Backbone?

Devil’s Backbone thrives in bright, indirect light. It can tolerate some direct sunlight, especially in the morning or late afternoon, but avoid prolonged exposure to intense midday sun, which can scorch the leaves. An east-facing window is often ideal, providing ample morning light without the harshness of the afternoon sun. A south- or west-facing window can also work, but be sure to filter the light with a sheer curtain or move the plant slightly away from the window to prevent sunburn.

How do I care for Devil's Backbone?

Devil’s Backbone is a relatively easy-to-care-for succulent. Provide it with bright, indirect light, although it can tolerate some direct sun. Water thoroughly only when the soil is completely dry to the touch, typically every 2-4 weeks, depending on environmental conditions. Ensure the pot has drainage holes to prevent root rot. Use a well-draining succulent or cactus potting mix.

How do I propagate Devil's Backbone?

Devil’s Backbone is easily propagated through leaf cuttings, offsets, and stem cuttings.

Lavender Cotton

What are the light requirements for Lavender Cotton?

Lavender Cotton thrives in full sun, requiring at least 6 to 8 hours of direct sunlight per day. Insufficient light can lead to leggy growth and reduced flowering. When grown indoors, place it near a south-facing window where it can receive ample sunlight. If natural light is limited, supplement with grow lights to ensure optimal growth and flowering. Rotating the plant regularly will ensure even light exposure and prevent it from leaning towards the light source. Providing adequate light is crucial for maintaining the plant’s compact shape and vibrant foliage color.

How do I care for Lavender Cotton?

Lavender Cotton requires full sun and well-draining soil to thrive. Water sparingly, allowing the soil to dry out completely between waterings, especially during the winter months. Fertilize lightly in the spring with a balanced fertilizer to promote healthy growth and flowering. Prune regularly to maintain its shape and encourage bushier growth. Avoid overwatering, as this can lead to root rot. Protect from excessive winter moisture in colder climates. Lavender Cotton is relatively pest-free, but monitor for aphids and spider mites. Provide good air circulation to prevent fungal diseases. Deadhead spent flowers to encourage continued blooming.

How do I propagate Lavender Cotton?

Lavender Cotton can be propagated easily through stem cuttings. Take 4-6 inch cuttings from healthy stems in the spring or summer. Remove the lower leaves and dip the cut end in rooting hormone. Plant the cuttings in well-draining soil and keep them moist but not waterlogged. Place them in a bright location with indirect sunlight. Rooting typically occurs within a few weeks. Division is also possible, carefully separating the root ball of a mature plant and replanting the sections. Keiki formation is not typical for Lavender Cotton.

Last updated: May 7, 2026 — Plant care data reviewed and verified by our editorial team.