Au jardin de Kerbeleg, nous reproduisons chaque année nos graines de fruits, légumes et fleurs pour une autonomie et une adaptation des semences à notre terre et à notre climat. Apprenez à connaître nos espèces avec ces fiches.
Description :
Lupins are perennial or annual plants belonging to the genus Lupinus. They are prized for their spikes of colourful flowers, which add height and texture to gardens. As well as their beauty, lupins enrich the soil with nitrogen thanks to their symbiotic root nodules.
Sowing: in the ground, in pots
Sowing advice :
- Direct sowing in the ground: Sow the seeds in spring or autumn, spacing them 30 to 50 cm apart. Bury the seeds about 1 cm deep.
- Sowing in pots: Sow under cover in March-April, then transplant after the last frosts.
Sowing period (under cover): March, April
Sowing period (outdoors): April to May, or September to October
Flowering period: May to July
Growing: in the garden
Exposure: sun to mid-shade
Water requirements: medium
Soil type: well-drained, light to medium-heavy
Soil quality: slightly acidic to neutral
Plant size: 60 to 120 cm tall
Historical origin of the variety:
Lupins are native to Mediterranean regions and North America. They have been cultivated for centuries for their beauty and their ability to improve soil fertility.
Uses:
Lupins are mainly grown as ornamental plants for their bright flowers, which attract pollinators. Certain species of lupins are also used as cover crops to improve soil structure and increase its nitrogen content. The seeds of some varieties can be used in animal and human food once they have been properly prepared to remove toxic alkaloids.