Garden lupin (Lupinus regalis)
Care, watering, light and tips for Garden lupin on Floravia.
Quick facts
- Family: Fabaceae
- Difficulty: Moderate care
- Watering: every 7 days
- Light: Full sun
- Temperature: 5–35 °C
- Toxicity: Toxic to pets
About Garden lupin
Lupinus regalis, commonly known as Russell lupin, is a perennial herbaceous plant renowned for its spectacular, densely packed, and vibrantly colored flower spikes. Its blooms, which can be blue, purple, pink, white, or bicolored, rise majestically above attractive palmate foliage. It's an excellent choice for garden borders, flower beds, or as part of a cottage garden, adding a touch of vertical drama and color.
Native range
North America
Care tips
It prefers full sun exposure or light partial shade, especially in very hot climates. It needs well-drained soil, slightly acidic to neutral, and benefits from regular watering to keep the substrate moist but not waterlogged, especially during flowering. Avoid over-fertilizing, as lupins are legumes that fix their own nitrogen; a common mistake is overwatering, which can lead to root rot.
How to save a dying Garden lupin
- Warning signs
- Yellowing or browning leaves, general wilting, flowers not opening or dropping prematurely. Soft or blackened roots.
- First aid
- Check drainage and soil moisture. If potted, consider repotting into lighter substrate. Protect from intense direct sun.
- What kills it
- Constant waterlogging, heavy and poorly drained soil. Lack of pollination can also affect flowering.
- Can it be saved?
- Yes, if roots aren't fully rotted and main stem still shows vigor. Act quickly on drainage and watering.