trefle.io · Taken Jun 22, 2019 by James James Lopez (cc-by-sa)
Fabaceae
Purple locoweed
Oxytropis lambertii
Also known as Purple crazyweed, Lambert's crazyweed, Spiesia lambertii, Oxytropis lambertii
Flowering Plants · Native Plants · Native · Prairie · Xeriscape · Drought Tolerant · Wildflower · Pollinator · Purple Flowers · Fabaceae · Grassland · Low Maintenance
Purple locoweed is a stunning native prairie wildflower with silvery-green foliage and vivid rose-purple pea-like blooms that attract pollinators in late spring. It thrives in full sun and extremely well-drained, lean soils — avoid clay or overly fertile conditions, which cause lush growth and reduce flowering. Once established it is very drought tolerant and requires virtually no supplemental care, making it ideal for xeriscape and native plant gardens.
Growing conditions
The details behind the basics
- Daily light
- 8 hours
- Watering
- Water sparingly; allow soil to dry completely between waterings · Every 14-21 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6.4–9
- Temperature
- -20°F to 110°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 5a-10b
Form & growth
Mature size and habit
- Mature height
- 10 ft – 30 ft
- Spread
- 15 ft
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Deep
- Flowers
- Red
- Foliage
- Green · Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Arizona, British Columbia, Colorado, Iowa, Kansas, Manitoba, Minnesota, Missouri, Montana, Nebraska, New Mexico, North Dakota, Oklahoma, Saskatchewan, South Dakota, Texas, Utah, Wyoming
- Attracts
- Bees, Butterflies
Sources: trefle, usda
More Oxytropis
Related plants from the same genus
Showy locoweed
Oxytropis splendens
Partial Sun · Moderate · Moderate
Oxytropis lambertii var. articulata
Oxytropis lambertii var. articulata
Full Sun · Moderate · Moderate
Oxytropis lambertii var. lambertii
Oxytropis lambertii var. lambertii
Full Sun · Moderate · Moderate
Oxytropis lambertii var. bigelovii
Oxytropis lambertii var. bigelovii
Partial Sun · Moderate · Moderate
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