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Tree Lupin is a short lived evergreen shrub that can grow to 2m tall. Flowers are delicately scented and are produced throughout the summer, bright dense spikes/clusters of blue or lavender coloured flowers. Nitrogen’fixing’ so good for soil fertility.
Lupinus arboreus (blue)
Common name: Blue Tree Lupin.
Native: California
Provenance: USA
Size and spread (10 years): 2m
Treatment required: Leguminous, so may require scarification or soaking in water.
Germinal seeds / kg: 14000
Ideal sowing period: Spring
Soil conditions: Well drained soils particularly coastal soils.
Planting instructions: a sunny spot, tolerates poor soils too.
Mature height: 2m
| Weight | 5.00 g |
|---|---|
| Size | Mini Seed Pack (25 seeds approx.), Seed Pack (85 seeds approx.) |
| Genus | Lupinus |
| Family | Leguminoseae |
| Flowering Month | July |
| Colour | blue |
| Hardiness | Hardy |
| Life Cycle | shrub |
| Evergreen | deciduous |
| Interest | flowers |
| Wildlife | yes |
| Requires | sun |
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