About
This herbaceous perennial forms dense clumps and features lance-shaped, mid-green foliage that transitions to a golden hue in the fall. In summer, it produces clusters of star-like flowers in a lilac-blue shade.
About the genus
Amsonia consists of perennial plants that grow in clumps and produce a milky sap. They feature elongated, lanceolate leaves and bear clusters of small, star-like blue blooms at the tips during the spring and summer months.
Growing conditions
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- East-facing, North-facing, West-facing, South-facing
- Exposure
- Sheltered
- UK hardiness
- H5
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden
Care notes
- Cultivation
- Grow in rich, fertile soil in full sun or partial shade, towards the back of the border
- Pruning
- No pruning required
- Propagation
- Propagate by division in spring. Root softwood or basal cuttings in early summer.
- Pest resistance
- Generally pest-free
- Disease resistance
- Generally disease-free