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Early Yellow Locoweed

Oxytropis sericea

Last reviewed: June 2026

Early Yellow Locoweed (Oxytropis sericea)
Photo: Colin Barker / Wikimedia Commons (CC BY-SA 3.0)

Early Yellow Locoweed (Oxytropis sericea) 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"–12" W

Bloom

May, Jun, Jul

Native to

CO, ID, KS, MT and 9 more states

Pollinators

bees, beetles

Silky crazyweed is a low-growing native wildflower with silvery, silky foliage and spikes of purple pea-like flowers. This drought-tolerant perennial forms compact clumps and blooms from May through July.

In an HOA neighborhood

Early Yellow Locoweed 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.

  • Plant is toxic to livestock and potentially pets
  • Common name includes 'locoweed' which may raise HOA concerns
  • May appear too wild or weedy for formal landscaping standards

Wildlife value

The flowers attract native bees and beetles during the summer blooming period. As a member of the legume family, it also helps fix nitrogen in the soil.

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 Early Yellow Locoweed fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.