Lupinus polyphyllus
Lupine
Common names: Large-leaved Lupine, Garden Lupine, Perennial Lupine
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Description
The garden lupine produces dense flower spikes in blue, pink, and white during June and July, making it one of the most beautiful perennials in the countryside garden. As a nitrogen-fixing plant, it gathers nitrogen through its root nodules, improving the soil. The seeds are toxic and should not be handled by children.
Care instructions
Sow the lupine directly into the garden from March (week 12); it develops a deep taproot and should not be transplanted. Provide a well-draining, slightly acidic to neutral soil in full sun, and avoid nitrogen fertilization. Cut the flower spikes immediately after they fade (July, week 28) to encourage a second bloom and prevent uncontrolled spread.
Companion planting
Good neighbours
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