About
A clump-forming perennial with pretty, pale-blue starry flowers arranged in terminal clusters on erect stems with narrow green leaves. Flowers in mid-spring (May/June). Foliage turns bright golden yellow in autumn.
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
AspectEast-facing, West-facing, South-facing
ExposureSheltered
UK hardinessH5
Plant details
Plant typeHerbaceous Perennial
HabitClump forming
FoliageDeciduous
Height0.5-1 metres
Spread0.5-1 metres
Time to full height2-5 years
Suggested usesCottage and informal garden, Rock garden
Native toCentral and SE USA
Care notes
CultivationGrow in any moist but well drained soil in full sun or partial shade. Will tolerate some drought
PruningCut back in winter before spring growth emerges
PropagationPropagate by seed. Sow seed in containers in a cold frame in autumn or spring. Divide in spring. Root softwood or basal cuttings in early summer.
Pest resistanceGenerally pest-free
Disease resistanceGenerally disease-free