About
Aster thomsonii 'Nanus' is a compact perennial that grows to a height of approximately 30 cm. It features oval, serrated leaves supported by hairy stems. From late summer through autumn, it produces flowerheads that can reach up to 5 cm in diameter, showcasing lavender-blue petals surrounding a yellow center, all borne on slender branches.
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
- East-facing, South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H6
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- 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, Cottage and informal garden, Patio and container plants, Wildlife gardens
Care notes
- Cultivation
- Grows best in full sun in a well-drained, alkaline soil with moisture in the spring and summer Ideal for a container
- Pruning
- Cut back in late autumn
- Propagation
- Propagate by division
- Pest resistance
- May be susceptible to tarsonemid mite
- Disease resistance
- May be susceptible to verticillium wilt and grey moulds