Astragalus purshii var. purshii

Pursh's milkvetch (var. purshii) is the most widespread variety of the species, ranging from the Canadian Rockies through the western United States, and is occasionally available through native plant nurseries. It thrives in open, partially shaded sites with well-draining, sandy or rocky soil and moderate watering during the growing season. As a nitrogen-fixing legume, it benefits surrounding plants and is a rewarding choice for experienced gardeners cultivating western North American native pla