Gentiana asclepiadea 'Alba'
willow gentian 'Alba'
A clump-forming perennial to 80cm high, with upright to arching stems bearing lance-shaped deep green leaves with heavily impressed veins. Upright, trumpet-shaped white flowers, sometimes tinted or speckled with green, are produced in the upper leaf axils in late summer and early autumn
Buy this plant
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | White | Green | ||
| Autumn | White | Green | ||
| Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H5Botanical details
- Family
- Gentianaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Clump forming, Columnar upright
- Genus
Gentiana can be annuals, biennials, herbaceous or evergreen perennials, mostly with showy, trumpet or salver-shaped flowers
- Name status
Accepted
How to grow
Cultivation
Grow in reliably moist but well-drained, humus-rich, acid or neutral soil. In areas with warm, dry summers these plants are best grown in light or partial shade
Propagation
Propagate by division in spring
Suggested planting locations and garden types
- Cottage and informal garden
- Wildflower meadow
- Low Maintenance
- Flower borders and beds
Pruning
No pruning required
Pests
Diseases
Get involved
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.