Gentiana asclepiadea
willow gentian
An herbaceous perennial to 1m, with arching stems bearing lanceolate leaves. Trumpet-shaped, deep blue flowers 4-5cm in length, appear in the upper leaf axils in late summer and early autumn
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 | ||||
|---|---|---|---|---|
| Summer | Blue | Green | ||
| Autumn | Blue | Green | ||
| Winter |
Position
- Partial shade
Aspect
East–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Gentianaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Clump forming
- Genus
Gentiana can be annuals, biennials, herbaceous or evergreen perennials, mostly with showy, trumpet or salver-shaped flowers
- Name status
Correct
- Plant range
- Europe to Iran
How to grow
Cultivation
Grow in light, humus-rich soil that is reliably moist but well-drained; avoid chalky soils. It needs shade from hot sun but in areas with cool, damp summers it can tolerate sun
Propagation
Propagate by seed sown in pots in an open frame as soon as seed is ripe
Suggested planting locations and garden types
- Rock garden
- Cottage and informal garden
- Cut flowers
- Flower borders and beds
- Underplanting of roses and shrubs
Pruning
No pruning required LJD
Pests
Generally pest-free
Diseases
Generally disease-free
Get involved
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