About

An evergreen, perennial sub-shrub producing stems to 90cm high and 75cm wide, with dark blue-green lance-shaped foliage which emerges purplish-red in spring. Very large, cylindrical heads of bright yellow-green floral bracts with tiny red central flowers appear in late spring and summer.

About the genus

Euphorbia can be annuals, perennials, shrubs or succulents, with milky sap and small flowers held within cupped, often colourful bracts

Growing conditions

SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectSouth-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH6

Plant details

Plant typeHerbaceous Perennial
HabitClump forming, Bushy
FoliageDeciduous
Height0.5-1 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesCity and courtyard gardens, Cottage and informal garden, Gravel garden, Wildlife gardens
ToxicityHumans/Pets: IRRITANT to skin/eye, harmful if eaten. Wear gloves and other protective equipment when handling. For further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants

Care notes

CultivationGrows best in moist, but well-drained soil, or dry soil in full sun. See Euphorbia for further advice
PruningCut back old, flowered stems to the ground in late summer and autumn
PropagationPropagate by division in early spring or take basal cuttings in spring or early summer; dip cut surfaces in charcoal or lukewarm water to prevent bleeding
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free