Devil's Backbone (Pedilanthus tithymaloides)

Devil's Backbone

Pedilanthus tithymaloides

Its zigzagging stems dance upward like a green staircase. Succulent shrub; other names: Redbird Cactus, Zigzag Plant.

Bright indirect light to partial sun.
0.5/week
Easy
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Plant Needs

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Sunlight Bright indirect light to partial sun.
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Watering Allow the top half of the soil to dry out completely between waterings.
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Temperature Prefers warm temperatures; protect from frost and cold drafts.
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Characteristics

  • Stems: Fleshy, green, distinctively zigzagged, changing direction at each node, containing milky white latex;
  • Leaves: Ovate to lanceolate, alternate, slightly fleshy, sometimes variegated, often deciduous in dry conditions;
  • Flowers: Cyathia enclosed in bright red or pink slipper-shaped bracts clustered at stem tips.
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Care Guide

Watering

Water thoroughly when the top inch of soil is dry.

Fertilization

Apply a balanced liquid fertilizer diluted to half strength.. Do not fertilize in winter during dormancy.

Banana Peel Tea:Soak chopped banana peels in water for 24 hours, strain, and dilute 1:1 with water. Avoid using raw peels directly on soil to prevent pests and odors.
Pruning
  • Wear thick gloves and eye protection to avoid contact with toxic milky sap;
  • Prune leggy stems in spring to encourage a bushier growth habit;
  • Wash pruning shears thoroughly after use to remove sticky latex.
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: Ingestion causes vomiting and diarrhea; sap causes dermal and ocular irritation (per ASPCA guidelines for Euphorbia species).

Humans: Milky latex causes skin and eye irritation; ingestion causes nausea and vomiting.

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Garden Uses & Culture

Culture: Popular in mid-century modern Western interior design for its striking, architectural zigzag form.

Usage: Grown primarily as an ornamental houseplant or in tropical xeriscape gardens.