About
Aster tongolensis 'Wartburgstern' is a compact perennial, reaching approximately 40 cm in height. This variety produces lilac-blue blooms that appear early in the season, typically from May to July. It is well-suited for positioning at the front of borders or within rock gardens.
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
- Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- East-facing, South-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Clump forming, Matforming
- Foliage
- Deciduous
- Height
- 0.1-0.5 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1-2 years
- Suggested uses
- Cottage and informal garden, Gravel garden, Patio and container plants, Rock garden
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 or beginning of spring before the new shoots emerge
- Propagation
- Propagate by division, seeds or root softwood basal cuttings in spring
- Pest resistance
- May be susceptible to leaf and bud eelworms, slugs and snails
- Disease resistance
- May be susceptible to Fusarium wilt, Powdery mildews and grey moulds