About

Aster tongolensis 'Napsbury' is a low-growing, deciduous perennial that reaches heights of up to 30 cm. It features dark green, hairy leaves that are lance-shaped. In early summer, it produces single flower heads with narrow violet-blue rays encircling a bright orange-yellow center.

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
Moist but well-drained, Well-drained
Aspect
East-facing, South-facing, West-facing, North-facing
Exposure
Exposed, Sheltered
UK hardiness
H6

Plant details

Plant type
Herbaceous Perennial
Habit
Matforming
Foliage
Deciduous
Height
0.1-0.5 metres
Spread
0.5-1 metres
Time to full height
2-5 years
Suggested uses
Cottage and informal garden, City and courtyard gardens, Gravel garden, Rock garden

Care notes

Cultivation
Grow in moderately fertile, well-drained soil in an open sunny position
Pruning
Cut back after flowering
Propagation
Propagate by seed in pots in cold frame in spring or autumn or propagate by division in spring
Pest resistance
May be susceptible to slugs, snails, leaf and bud eelworms and aphids
Disease resistance
May be susceptible to wilts, leaf spot and grey moulds