Narrow-leaved lupin (Lupinus angustifolius)
Care, watering, light and tips for Narrow-leaved lupin on Floravia.
Quick facts
- Family: Fabaceae
- Difficulty: Moderate care
- Watering: every 5 days
- Light: Full sun
- Temperature: 5–35 °C
- Toxicity: Toxic to pets
About Narrow-leaved lupin
Lupinus angustifolius, commonly known as narrow-leafed lupin or blue lupin, is a beautiful annual plant belonging to the Fabaceae family. It produces vibrant blue or purple flower spikes above lobed foliage, bringing a wild and colorful touch to low-maintenance gardens and naturalized meadows. It is ideal for pollination and enriches the soil with nitrogen, making it an excellent choice for crop rotations or improving garden health.
Native range
Mediterranean region, Europe and North Africa
Care tips
This plant thrives in full sun (at least 6 hours daily) and prefers well-drained, slightly acidic to neutral soils. Watering should be moderate; once established, it is quite drought-tolerant but appreciates regular watering during dry spells, avoiding waterlogging. A common mistake is planting in heavy, clayey soils, which can lead to root rot; ensure the substrate has good drainage.
How to save a dying Narrow-leaved lupin
- Warning signs
- Yellowing or wilting leaves, no flowering, soft or blackened stems. Soft, dark roots.
- First aid
- Check drainage. Reduce watering if waterlogged. Replant in light, acidic soil if heavy. Prune damaged parts.
- What kills it
- Overwatering and heavy or alkaline soils. Doesn't tolerate waterlogging or high pH. Lack of direct sun.
- Can it be saved?
- Yes, if roots aren't completely rotted and the issue is corrected immediately. It's resilient.