Very large genus of more than 2000 species that includes herbs and shrubs, evergreen, semi-evergreen and deciduous species, with great diversity in terms of appearance. They feature spherical flowerheads. Stems are usually filled with a milky sap that irritates skin.
Latin name: Euphorbia hyberna
Grow in sunny, frost-protected sites and in light, relatively dry soils.
Plant in flowerpots, in rock gardens and in groups.
Propagated by cuttings in spring and summer, or by division in spring and autumn.
Herbaceous perennial with green leaves and umbrella-shaped inflorescences of yellow flowers, borne in spring and early summer.