Lupinus angustifolius
narrow-leaved lupin
An upright, bushy annual to about 1m, with leaves composed of a whorl of narrow leaflets. Short spires of purple-blue, pea-like flowers are produced in summer followed by seeds that can be processed to make them edible
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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 | Blue Purple | Green | ||
| Autumn | Green | |||
| Winter |
Position
- Full sun
- Partial shade
Aspect
South–facing or West–facing or East–facing
Exposure
Exposed or Sheltered Hardiness
H3Botanical details
- Family
- Fabaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy
- Potentially harmful
- Harmful if eaten. Wear gloves and other protective equipment when handling
- Genus
Lupinus can be annuals, perennials or shrubs, with palmate leaves and showy terminal racemes of pea-like flowers
- Name status
Correct
How to grow
Cultivation
Grow in moderately fertile, humus-rich, light, moist but well-drained soil in full sun or light, dappled shade
Propagation
Suggested planting locations and garden types
- Coastal
- Cottage and informal garden
- Flower borders and beds
Pruning
Deadhead to encourage more flowers
Pests
May be susceptible to slugs and lupin aphid
Diseases
May be susceptible to powdery mildews, rots, a leaf spot and a virus
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