USDA: 10-11
Frost Tolerance: Keep above 28°F (-2°C)
Sun Exposure: Light shade
Origin: Yemen
Growth Habits: Succulent shrub, branching at the bas, up to 20 inches tall (50 cm), with 10 to 13 ribs
Watering Needs: No water from November to March
Propagation: Cuttings
As with the other Euphorbias, its sap is poisonous. It grows rapidly from cuttings, and is often used as grafting stock. A 'blue' form is available (picture 2).
Blooming Habits:
Monoecious, bright yellow cyathias
Culture:
This species is dormant in winter, keep it totally dry at or around 40°F (4°C).
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