Euphorbia hylonoma is a perennial herb in the spurge family, native to China and the Russian Far East, growing on roadsides, grasslands and mountain slopes at high elevation. It is a hardy, drought-tolerant plant of open, sunny habitats, so give it good drainage and full sun.
Family
Euphorbiaceae (Spurge family)
Grows as
Perennial
Light
Full sun
Water
Water sparingly, letting the soil dry out between waterings.
Soil
Well-drained, gritty or sandy soil.
Temperature
Cold-hardy to well below freezing; tolerates roughly -20 °C in native highland habitats.
How easy
Easy
Safety
Toxic
Native range
C. & S. China
Climate
temperate
About
Euphorbia hylonoma is a species of flowering plant in the family Euphorbiaceae, native to China and the Far East of Russia (Primorsky krai). It grows on roadsides, valleys, mountain slopes, grasslands, steppes, scrub, sparse forests at elevations of 2,000–3,000 metres (6,600–9,800 ft). This herbaceous plant is erect, reaching a height of 50–90 cm (20–35 in). It has thick roots measuring over 10 cm (3.9 in) in length and 3–5 mm (0.12–0.20 in) in diameter. The stem is branched at the top and has a thickness of 3–7 mm (0.12–0.28 in). The leaves are alternate, oblong to elliptic, with a size range of 4–10 cm (1.6–3.9 in) × 1–2 cm (0.39–0.79 in). The flowers are grouped in cyathia, with male flowers extending beyond the involucre and female flowers having pedicels.
Text excerpted from the Wikipedia article Euphorbia hylonoma 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.