Vicia americana (American vetch)
Native rhizomatous climbing perennial legume with purple flowers, blooming April to August. Very drought tolerant and widely adaptable, occurring in moist to dry soils of forest openings, meadows, shrublands and streambanks; up to 12,000 ft. elevation. Use for habitat restoration, mining reclamation, arid rangelands and roadsides. Increases following fire. Excellent palatability for all wildlife and ungulates. Important for native pollinators, including wild bees. Larval host of the Western blue tailed butterfly.
DISTRIBUTION / ADAPTATION
INFORMATION & ATTRIBUTES
Family: Fabaceae
Duration: Perennial
Growth Habit: Forb/herb/vine
Native Status: Native
Growth Form: Rhizomatous
Mature Height: 15 in.
Bloom Color: Purple
Bloom Period: Late spring
Annual Precipitation: 9-50 in.
Drought Tolerance: High
Shade Tolerance: Intolerant
Elevation:
Fire Resistance: No
Fire Tolerance: Medium
Nitrogen Fixation: Low
SOIL ADAPTATION
Coarse Texture: Yes
Medium Texture: Yes
Fine Texture: No
Salinity Tolerance: None
CaCO3 Tolerance: Low
pH Range: 5.9-7.2
SEEDING NOTES
Seeds per Pound: 32,800
Seeding Rate: 20-40 PLS lbs/acre
Season:
Days to Germination:
VARIETIES & LOCAL ACCESSIONS
None