in Tucson, Phoenix,
Arizona and California

Gardening in Tucson, Phoenix, Arizona and California

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Euphorbia rigida: Gopher Plant

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Form: Clumping, succulent-like herb.
Lifespan: Perennial.
Leaf retention: Evergreen.
Growth rate: Moderate.
Mature Size: 2' high and 3-5' wide.
Flowers: Yellow to yellow-green, in terminal clusters.
Bloom: Late winter and spring.
Fruit: Seed pod, which can fling seeds far from plant.
Leaves: Blue-green, pointed, narrow to oval.
Stems: No thorns.
Wildlife: Avoided by animals.
Toxic / Danger: All parts poisonous, especially sap. Beware of skin and severe eye irritation when touched.
Origin: Mediterranean region and eastward.

Cultivation and Uses
USDA hardiness zones: 8b-10.
Heat tolerant: Yes.
Drought tolerant: Yes.
Sun: Full sun to part shade.
Water after becoming established: Every two months or never.
Soil: Well drained, dry, low in organic content, pH 6.1-8.5 (slightly acidic to alkaline).
Prune: Remove stems after flowering, to avoid seed scatter, and allow new ones to grow. Wear gloves.
Litter: Cleanup after flowering.
Propagation: Seed. Self-seeds freely.
Uses: Xeric garden, unique specimen.

Scientific name synonym: Euphorbia biglandulosa. Care-free except reseeds freely. Thrives on neglect.

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Euphorbia rigida: Gopher Plant - flower

Euphorbia rigida: Gopher Plant