Locoweed

Oxytropis nigrescens var. uniflora

Native to:
Canada

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Fabaceae
Genus:
Oxytropis
Species:
Oxytropis nigrescens var. uniflora
USDA Symbol:
OXAR6

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
10 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
jun,jul,aug
Bloom Colors:
purple, violet, pink

Garden & Ecology Notes

Wildlife Value:
bees
Deer Resistant:
Yes

Soil Requirements

Soil Type:
rocky, well-drained, nutrient-poor soil
pH:
6.0 - 7.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
native to alpine and subalpine regions

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–90 days
Scarification:
Seed coat scarification required before sowing
Germination Time:
14–60 days
Notes:
Hard seed coat typical of Fabaceae requires scarification. Cold stratification improves germination rates.

The above propagation data sourced from Claude AI