Fabaceae
Silky lupine
Lupinus sericeus
Also known as Sericeous lupine, Lupinus sericeus, Blue silky lupine
Flowering Plants · Native Plants · Native Wildflower · Lupine · Prairie · Pollinator · Perennial · Western Native · Blue Flowers · Meadow
Silky lupine thrives in well-drained soils with moderate moisture and at least 6 hours of sunlight, making it ideal for western native gardens and meadow plantings. Water regularly during establishment but avoid waterlogged conditions, as it is sensitive to root rot. It is a nitrogen-fixing plant that benefits surrounding soil health and requires minimal fertilization once established.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water deeply until soil is moist, then allow the top 2 inches to dry before watering again · Every 7-10 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 7–7.5
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 20 ft – 40 ft
- Spread
- 20 ft
- Spacing
- 24 in apart
- Growth rate
- Fast
- Root depth
- Medium
- Flowers
- Purple
- Foliage
- Green · Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Alberta, Arizona, British Columbia, Colorado, Idaho, Montana, Nevada, New Mexico, Oregon, South Dakota, Utah, Washington, Wyoming
- Attracts
- Bees, Butterflies, Hummingbirds
Sources: trefle, usda
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