About
Aster amellus is a perennial that forms clumps and typically grows to a height of 30-60 cm. Its growth habit can be either upright or arching. The leaves are lance-shaped and a medium green. Flowering occurs from late summer into autumn, producing loose clusters of lilac-blue flowerheads that can reach up to 15 cm in width, each with a central yellow disc that measures around 5 cm across.
About the genus
Aster includes perennials, annuals, and subshrubs, typically characterized by slender leaves and flowers that resemble daisies, either appearing alone or in clusters.
Growing conditions
- Sunlight
- Full sun
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- South-facing, West-facing, East-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.1-0.5 metres
- Spread
- 0.5-1 metres
- Time to full height
- 2-5 years
- Suggested uses
- City and courtyard gardens, Coastal, Cottage and informal garden, Patio and container plants, Wildflower meadow
Care notes
- Cultivation
- Grow in well-drained, moderately fertile soil in an open, sunny position. See aster cultivation
- Pruning
- Deadhead spent flowers to tidy, cut back stem close to the ground in late autumn
- Propagation
- Propagate by division in spring or root softwood basal cuttings in spring
- Pest resistance
- May be susceptible to leaf and bud eelworms, slugs and snails
- Disease resistance
- Asters may be susceptible to Verticillium wilt, Powdery mildews and grey moulds