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Steenbuck milkbush

Euphorbia tenax

Steenbuck milkbush
Photo: SAplants, CC BY-SA 4.0

Euphorbia tenax is a semisucculent shrub from the dry west and southwest of South Africa, native to fynbos and Succulent Karoo. It thrives in full sun, lean soil and very dry conditions, and is best grown outdoors or in a warm, sunny spot.

Family
Euphorbiaceae (Spurge family)
Grows as
Succulent
Light
Full sun
Water
Water sparingly, letting the soil dry out fully between waterings; reduce to almost none in winter.
Soil
Well-draining sandy or gritty mix, low in nutrients.
Temperature
15–30 °C; protect below 5 °C
How easy
Moderate
Safety
Toxic: All parts contain milky latex that irritates skin and eyes and can cause stomach upset if swallowed, as is typical of euphorbias.
Native range
CW. & SW. Cape Prov.
Climate
desert or dry shrubland

About

Euphorbia tenax is a species of Euphorbia endemic to South Africa, where it occurs in the Northern Cape and Western Cape provinces, around Kotzesrus and southwards as far as Nieuwoudtville and Cape Town.

Its preferred habitat is sand Fynbos and Succulent Karoo on shale-derived slopes.

Other Euphorbia plants

Marble Canyon spurge · Abd Al Kuri Euphorbia · Euphorbia abdita · Euphorbia abdulghafooriana · Abram's Spurge · Desert Candle · Euphorbia acalyphoides · Greek Spiny Spurge · Euphorbia actinoclada · Pointed Sandmat · Euphorbia adenopoda · Miniature Saguaro

Text excerpted from the Wikipedia article Euphorbia tenax by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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