Astragalus nuttallii var. virgatus
Astragalus nuttallii var. virgatus
- Native to:
- United States
GBIF: Lisa Paterson






Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Fabaceae
- Genus:
- Astragalus
- Species:
- Astragalus nuttallii var. virgatus
Growth Characteristics
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Drought Tolerance:
- High
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- purple, white
Keystone Species Ranking
- Pollen Specialist Bee Keystone:
- ★★★☆☆ Native pollen specialist bee species supported by this genus (NWF)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies, native pollinators
- Deer Resistant:
- Yes
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Tolerates prairie fires and may show increased vigor post-burn due to reduced competition and nutrient cycling.
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 14–30 days
- Notes:
- Hard seed coat requires scarification. Cold-moist stratification improves germination rates.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Put in deep pot; protect from damping off