Not the plant you're looking for? Search over 300,000 plants
Annual Biennial
Size
Ultimate height
0.5–1 metresTime to ultimate height
1–2 yearsUltimate spread
0.5–1 metresGrowing conditions
Chalk
Clay
Loam
Sand
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Blue | Green | ||
| Autumn | Blue | Green | ||
| Winter | Green |
Position
- Full sun
Aspect
South–facing or East–facing or West–facing
Exposure
Exposed or Sheltered Hardiness
H6Botanical details
- Family
- Boraginaceae
- Native to the UK
- No
- Foliage
- Semi evergreen
- Habit
- Bushy
- Potentially harmful
- Bristles can cause skin irritation. Wear gloves and other protective equipment when handling
- Genus
Anchusa can be erect or spreading perennials, biennials or annuals with hairy or bristly foliage and cymes of tubular or salver-shaped, usually blue flowers
- Name status
Correct
- Plant range
- Europe to Caucasus
How to grow
Cultivation
Grow in any modrately fertile, moist, well-drained soil in full sun
Propagation
Propagate by seed in late winter or early spring at 13-16C (55-61F). Root basal cuttings in spring or root cuttings in winter
Suggested planting locations and garden types
- Flower borders and beds
Pruning
Cut back old stems after flowering has finished
Pests
Generally pest-free
Diseases
Can be prone to powdery mildew
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.