Euphorbia Polygona

Light: Bright light with morning sun and afternoon shade in Phoenix; acclimate gradually to direct sun to prevent scorching.

Water: Low water; water deeply, then let soil dry completely. Reduce watering substantially in winter; avoid keeping roots wet during extreme heat.

Soil: Very well-drained, gritty cactus mix amended with pumice or gravel. Use containers with drainage holes or raised planting beds.

Mature size: Typically 2–4 feet tall and 1–3 feet wide as a clump; individual stems remain relatively narrow.

Bloom: Usually blooms in spring through summer on established plants; flowering varies with growing conditions.

Evergreen / deciduous: Evergreen succulent; green stems provide the lasting display, while tiny leaves are short-lived.

Growth rate: Slow to moderate in warm weather.