Euphorbiaceae
Devil's Backbone (Pedilanthus tithymaloides)
Pedilanthus tithymaloides
An easy-care plant that thrives in bright indirect light with infrequent watering. Allow soil to dry completely between waterings. Keep above 13°C and avoid overwatering. Tolerates drought well and requires minimal maintenance.
Every 10 days
Partial shade
13° - 29°C
30% - 60%
Categories
What is Devil's Backbone?
Devil's Backbone (Pedilanthus tithymaloides) is a easy-care plant from the Euphorbiaceae family. Pedilanthus tithymaloides, commonly known as Devil's Backbone, is a striking succulent-like shrub from tropical America. Its most distinctive feature is the zigzag stem pattern that gives it several of its common names. The plant produces small, bird-shaped red or pink flowers and features fleshy, o...
Devil's Backbone grows up to 1.2m, with spread of 60cm, watering every 10 days, 13°C – 29°C, 30–60% humidity. It is suitable for indoor environments and not safe for pets.
Unlike many tropical plants, Devil's Backbone tolerates watering mistakes. Best for beginners. Without precautions, ingestion can cause irritation in pets. Keep out of reach of cats and dogs. Without adequate drainage, root rot can develop within 20 days.
How to Care for Devil's Backbone?
TLDR: Devil's Backbone needs Partial shade, watering every 10 days, and temperatures between 13-29°C with 30-60% humidity.
How Often Should You Water Devil's Backbone?
Water thoroughly every 10–14 days in summer, allowing the soil to dry out completely between waterings. In winter, reduce to once a month. Overwatering is the most common cause of problems.
How Much Light Does Devil's Backbone Need?
Prefers bright indirect light or partial sun. Can tolerate some direct morning sun but avoid harsh midday sun which can scorch the leaves.
What Is the Best Soil for Devil's Backbone?
Use a well-draining cactus or succulent mix. Avoid heavy soils that retain moisture. Adding coarse sand or perlite improves drainage.
What Pot Should You Use for Devil's Backbone?
Terracotta or clay pot with drainage holes — promotes air circulation and prevents waterlogging.
Care Schedule
Fertilize
Every 30 days
Misting
Every 14 days
Repot
Every 730 days
What Is Devil's Backbone and Where Does It Come From?
Pedilanthus tithymaloides, commonly known as Devil's Backbone, is a striking succulent-like shrub from tropical America. Its most distinctive feature is the zigzag stem pattern that gives it several of its common names. The plant produces small, bird-shaped red or pink flowers and features fleshy, often variegated leaves.
How Big Does Devil's Backbone Grow?
TLDR: Devil's Backbone can reach up to 1.2m tall with Medium growth rate.
Max height
1.2m
Spread
60cm
Growth rate
Medium
Foliage
Evergreen
Warning: Toxic Plant
This plant can be toxic if ingested. Keep out of reach of:
Plant Uses
Ornamental
Great for decoration
Medicinal
Medicinal properties
Medicinal Uses
- Traditional folk medicine in Caribbean and Central America for skin conditions and warts (external use only — latex is toxic internally)
Is your plant showing symptoms?
Click on the symptom to discover possible causes:
What Diseases Commonly Affect Devil's Backbone?
TLDR: Devil's Backbone is susceptible to 6 known diseases. Monitor regularly for early detection.
Root Rot
Root rot is a serious fungal disease that affects the root system of plants, causing them to decay and die. It is primarily caused by overwatering, poor drainage, or soil-borne fungi such as Pythium, Phytophthora, Rhizoctonia, and Fusarium. The disease thrives in waterlogged conditions where roots are deprived of oxygen, making them susceptible to fungal infection.
Overwatering
Overwatering occurs when plants receive too much water, depriving roots of oxygen and causing root rot. This environmental stress is one of the most common causes of houseplant death, as waterlogged soil prevents roots from breathing and functioning properly.
Powdery Mildew
Powdery mildew is a common fungal disease caused by various fungi species including Erysiphe, Podosphaera, Oïdium, and Leveillula. It affects over 10,000 plant species worldwide. The disease thrives in warm, dry climates with high humidity and appears as a distinctive white powdery coating on plant surfaces.
Mealybugs
Mealybugs are small, soft-bodied insects covered with a white, waxy, cottony material. They are common pests of houseplants and outdoor plants in mild climates. These sap-sucking insects feed on plant tissue, causing damage, stunted growth, and can lead to plant death if left untreated. They produce sticky honeydew which attracts sooty mold.
Meaning & Symbolism
Symbol of resilience and adaptability. In Caribbean and Central American folk traditions, associated with protection and good fortune.
Fun Facts
The zigzag stem pattern is not just decorative — it is an adaptation that helps the plant channel water toward the roots in its native dry habitat.
Despite looking like a cactus, Devil's Backbone is actually a member of the Euphorbiaceae family, the same family as poinsettias and rubber trees.
The plant's sap (latex) has been used in traditional Caribbean medicine, but must never be ingested as it is highly toxic.
Frequently asked questions
Is Devil's Backbone toxic to pets?
Why are the leaves of my Devil's Backbone dropping?
How fast does Pedilanthus tithymaloides grow?
Compare with similar plants
| Attribute | Difficulty | Light | Watering | Pet Safe |
|---|---|---|---|---|
| Peace Lily | Easy | Low light | 4d | ⚠️ |
| Swiss Cheese Plant | Easy | Partial shade | 10d | ⚠️ |
| Golden Pothos | Easy | Low light | 8d | ⚠️ |
| ZZ Plant | Easy | Low light | 18d | ⚠️ |
