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Silver-Leaved Milkvetch

Astragalus argophyllus

Last reviewed: June 2026

Silver-Leaved Milkvetch (Astragalus argophyllus)
Photo: (c) Steve Matson, some rights reserved (CC BY), uploaded by Steve Matson

Silver-Leaved Milkvetch (Astragalus argophyllus) 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 × 4"–12" W

Bloom

May, Jun, Jul

Native to

AZ, CA, CO, ID and 4 more states

Pollinators

bees

Browse plants for this ecoregion

Astragalus argophyllus is a low-growing native milkvetch with silvery-gray foliage and small clusters of flowers from May through July. This compact perennial forms neat mounds that stay under a foot tall and wide, requiring minimal water once established. It thrives in full sun and poor soils, making it an excellent choice for xeriscaping.

In an HOA neighborhood

Silver-Leaved Milkvetch takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • May appear too wild or weedy for formal landscapes
  • Unfamiliar plant that HOAs might not recognize as intentional landscaping
  • Small stature could be perceived as unmaintained ground cover

Wildlife value

This plant provides nectar for native bees during its extended blooming period from late spring through summer.

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 Silver-Leaved Milkvetch fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.