Lupinus polyphyllus, the Garden Lupin, is a perennial herb with vibrant, tall flower spikes. It thrives in full sun to partial shade and well-drained soil, adding vertica
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Sunlight
Requires full sun to partial shade for best flowering.
Watering
Keep soil consistently moist, especially during dry periods.
Soil
Well-drained, slightly acidic to neutral soil
Temperature
Prefers cool to moderate temperatures; struggles in extreme heat.
Habitat
Outdoor
Fertilizer
Apply a low-nitrogen, balanced fertilizer in spring; avoid high nitrogen.
Requires full sun to partial shade for best flowering.
Keep soil consistently moist, especially during dry periods.
Well-drained, slightly acidic to neutral soil
Prefers cool to moderate temperatures; struggles in extreme heat.
Outdoor
Apply a low-nitrogen, balanced fertilizer in spring; avoid high nitrogen.
Plant Type
Herb
Plant Category
Flowering, Ornamental
Plant Place Type
Ground, Garden, Pot
Plant Environment
Outdoor
Lifespan
Perennials
Plant Height
0.6-1.5 m
Spread
0.6-1 m
Growth Rate
Medium
Dormancy
Winter dormant
Leaf Color
Green
Leaf Type
Palmate
Flower Size
1-2 cm
Optimal Sunlight Lux
50000
Weed Status
Yes
Toxic for humans
Yes
Rating: 7/5
Toxic for pets
Yes
Rating: 7/5
Edible
No
All parts of the plant, especially the seeds, contain quinolizidine alkaloids which are toxic if ingested by humans or animals, causing gastrointestinal upset and potentially nervous system effects.
