About
Adenophora koreana is a vertical, deciduous perennial that can reach heights of up to 90 cm. Its upper stems branch out and are adorned with whorls of oblong to pointed leaves, which can measure up to 13 cm in length. In the summer, this plant produces panicles of bell-shaped blue flowers at their tips.
About the genus
Adenophora are herbaceous perennials that share a close relationship with Campanula. They produce large clusters of bell-shaped or funnel-shaped flowers in shades of violet-blue during the summer months. These blooms rise above rounded leaves that form at the base of the plant.
Growing conditions
- Sunlight
- Full sun, Partial shade
- Soil type
- Chalk, Clay, Loam, Sand
- Soil pH
- Acid, Alkaline, Neutral
- Soil moisture
- Moist but well-drained, Well-drained
- Aspect
- East-facing, South-facing, West-facing
- Exposure
- Exposed, Sheltered
- UK hardiness
- H5
Plant details
- Plant type
- Herbaceous Perennial
- Habit
- Columnar upright
- Foliage
- Deciduous
- Height
- 0.5-1 metres
- Spread
- 0.1-0.5 metres
- Time to full height
- 1-2 years
- Suggested uses
- Cottage and informal garden, Rock garden
- Native to
- Korea
Care notes
- Cultivation
- Grow in well-drained soil in full sun or part shade
- Pruning
- Deadhead to prolong flowering; cut back flowered stems in autumn
- Propagation
- Propagate by seed or propagate by cuttings from basal shoots
- Pest resistance
- May be susceptible to slugs, snails and vine weevils
- Disease resistance
- Generally disease-free