About
Astilbe koreana is a perennial plant that grows in clumps, characterized by its short, upright stems. It features finely divided, bright green foliage and produces airy flower plumes in shades of white, lilac, or pale pink. These blooms can reach heights of up to 60 cm and typically appear from early to mid-summer.
About the genus
Astilbe are perennial plants with rhizomes, characterized by their dissected leaves that typically have a ternate structure. In summer, they produce upright panicles filled with small flowers in shades of white, pink, or purple. The dried flower heads persist into autumn, adding interest to the landscape.
Growing conditions
- Sunlight
- Full shade, Full sun, Partial shade
- Soil type
- Clay, Loam
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- East-facing, West-facing, North-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H7
Plant details
- Plant type
- Bogs, Herbaceous Perennial
- Habit
- Clump forming
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 2-5 years
- Suggested uses
- Cottage and informal garden
- Native to
- China, Korea
Care notes
- Cultivation
- Grow in moist or boggy soil in dappled shade, or in sun where the soil remains moisture-retentive in summer. Drought intolerant, may be damaged in hot sun. Good for waterside planting. See Astilbe cultivation
- Pruning
- Cut back flowered stems after flowering
- Propagation
- Propagate by division in late winter or early spring, pot divisions under glass and plant out in late spring. Can also propagate by seed
- Pest resistance
- May be susceptible to vine weevil
- Disease resistance
- May be susceptible to Powdery mildews