Summary: Euphorbia polygona is a succulent plant in the Euphorbiaceae family.

Botanical name: Euphorbia polygona Haw. Family: Euphorbiaceae Origin: South Africa (Eastern Cape) Common name: euphorbia Hardiness: zone 9 (around -7°C but dry) Euphorbia polygona is a succulent shrub with + or – grayish-green succulent stems, about 0.50 m to 1.70 m high and 7-10 cm in diameter. It grows in rocky areas with other plants of its species. We grow it outdoors in the greenhouse. It is closely related to Euphorbia horrida.