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The tree lupin, Lupinus arboreus, is a beautiful evergreen shrub, bearing silky shoots and grey-green leaves. From late spring to summer, fragrant yellow, sometimes blue, flowers appear. These are similar to the cultivated varieties of lupin but are held in looser panicles. As with cultivated lupins, Lupinus arboreus flowers are attractive to bumblebees.
For best results grow Lupinus arboreus in well-drained soil in full sun.
Plant type: Hardy perennial
Flower colour: Yellow
Foliage colour: Mid-green
Sun exposure: Full sun, Partial shade
Soil: Well-drained/light, Clay/heavy, Acidic, Chalky/alkaline
Skill level: Experienced
Time to plant seeds: September to May
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