Aster ageratoides
Clump-forming perennial which grows to about 75-90cm tall, with dark green, toothed, lance-shaped leaves, and clusters of dark violet flowers with yellow centres, flowering on strong stems, over a long period from early to late autumn or early winter
Synonyms
Aster trinerviusAster trinervius subsp. ageratoides
see moreAster trifoliatus subsp. ageratoides
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Green | |||
| Autumn | Purple Yellow | Green | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Asteraceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
Aster can be perennials, annuals or subshrubs, mostly with narrow leaves, and solitary or clustered, daisy-like flowers
- Name status
Correct
- Plant range
- Himalaya
How to grow
Cultivation
Grow in moderately fertile, well-drained soil in full sun or light shade. See aster cultivation
Propagation
Propagate by division in spring or root softwood basal cuttings in spring
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Patio and container plants
- Wildflower meadow
- Cut flowers
- Flower borders and beds
- Underplanting of roses and shrubs
Pruning
Deadhead spent flowers to tidy, cut back stem close to the ground in late autumn
Pests
May be susceptible to leaf and bud eelworms, slugs and snails
Diseases
Asters may be susceptible to Verticillium wilt, Powdery mildews and grey moulds
Get involved
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