About

Aster asperulus Wall. ex Nees develops a dense, bushy clump of heart-shaped leaves with serrated edges. In late summer and early autumn, it produces clusters of large, blue-purple daisy-like flowers that feature yellow centers.

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
Alkaline, Neutral
Soil moisture
Moist but well-drained, Well-drained
Aspect
South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H6

Plant details

Plant type
Herbaceous Perennial
Habit
Bushy, 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, Coastal, Cottage and informal garden

Care notes

Cultivation
Grows best in full sun in a well-drained, alkaline soil with moisture in the spring and summer
Pruning
Cut back in late autumn
Propagation
Propagate by seed or by division
Pest resistance
May be susceptible to eelworms, aphids, slugs and snails
Disease resistance
May be susceptible to fusarium wilt, a leaf spot and grey mould