About

A clump-forming upright perennial, with silvery-green thistle-like leaves. Intense blue, spherical flower heads up to 4cm across, are held on tall, grey-green stems throughout the summer.

About the genus

Echinops can be annuals, biennials or perennials with simple or pinnately lobed, spiny leaves and spherical blue or whitish flower-heads

Growing conditions

SunlightFull sun, Partial shade
Soil typeClay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureWell-drained, Moist but well-drained
AspectSouth-facing, West-facing, East-facing
ExposureExposed, Sheltered
UK hardinessH7

Plant details

Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height1-1.5 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesArchitectural, Cottage and informal garden, Gravel garden, Wildlife gardens

Care notes

CultivationBest in poor, well-drained soil in full sun but will tolerate most soils in full sun and can tolerate partial shade
PruningDeadhead to prevent self-seeding
PropagationPropagate by seed sown in seed bed in mid spring. Propagate by division in spring or autumn or by root cuttings in winter
Pest resistanceMay be susceptible to aphids
Disease resistanceGenerally disease-free