About

A clump-forming, compact, deciduous perennial, with lance-shaped, dark green leaves with a paler mid-vein, fading to yellow orange and gold in the autumn. In late spring and early summer, terminal panicles of starry-shaped, periwinkle blue flowers appear.

About the genus

Amsonia are clump-forming perennials with milky sap, lance-shaped leaves and terminal panicles of small, starry blue flowers in spring and summer

Growing conditions

SunlightFull sun, Partial shade
Soil typeChalk, Clay, Loam, Sand
Soil pHAcid, Alkaline, Neutral
Soil moistureMoist but well-drained, Well-drained
AspectNorth-facing, South-facing, East-facing, West-facing
ExposureExposed, Sheltered
UK hardinessH4

Plant details

Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.1-0.5 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesCoastal, Cottage and informal garden, Prairie planting

Care notes

CultivationGrow in moist well-drained soil in full sun or light shade. Can tolerate periods of drought
PruningCut back in late autumn after leaf colour show
PropagationPropagate by seed or division
Pest resistanceGenerally pest-free. Slug and snail resistant
Disease resistanceGenerally disease-free