Missouri Milk-vetch
Astragalus missouriensis
Last reviewed: June 2026
Missouri Milk-vetch (Astragalus missouriensis) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org, last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
4"–12" H × 6"–18" W
Bloom
May, Jun
Native to
AZ, CO, IA, KS and 10 more states
Pollinators
bees, butterflies
Browse plants for this ecoregion
Missouri milk-vetch is a low-growing native wildflower that forms compact clumps with silvery-green foliage and small purple flowers in late spring. This drought-tolerant perennial stays neat and tidy throughout the growing season, making it suitable for xeriscaping and low-maintenance gardens.
In an HOA neighborhood
Missouri Milk-vetch is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
- May go dormant in extreme heat
- Slow to establish in first year
Wildlife value
The flowers attract native bees and butterflies during its May to June bloom period. As a legume, it also helps improve soil nitrogen levels naturally.
Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Does Missouri Milk-vetch fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.