About
Aster alpinus is a perennial that grows in clumps, reaching a height of up to 25 cm. It features narrow, mid-green foliage and produces daisy-like flower heads measuring up to 5 cm across. Each flower head has a dark yellow center and is borne on upright stems, blooming in early to mid-summer.
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, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Well-drained
- Aspect
- West-facing, East-facing, South-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
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- City and courtyard gardens, Rock garden, Coastal, Cottage and informal garden, Patio and container plants
- Native to
- Alps, Pyrenees
Care notes
- Cultivation
- Grow in moderately fertile, well-drained 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 seed or 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