About
Aster 'Cotswold Gem' is a perennial that forms dense clumps, reaching a height of approximately 60 cm. It produces sizable, single flowers resembling daisies, featuring pinkish-purple petals that encircle a central yellow disc.
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, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained
- Aspect
- South-facing, East-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Bushy
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.5-1 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden, Prairie planting
Care notes
- Cultivation
- Grow in a well-drained soil in full sun or partial shade; prefers alkaline soils but will tolerate slightly acidic conditions
- Pruning
- Cut stems close to the ground in late autumn
- Propagation
- Propagate by division
- Pest resistance
- May be susceptible to slugs, snails, aphids, leaf and bud eelworms
- Disease resistance
- May be susceptible to Verticillium wilt and grey moulds