// SPECIES PROFILE · ANNUAL · NATIVE

Smallflowered milkvetch

Astragalus nuttallianus var. austrinus

Smallflowered milkvetch (Astragalus nuttallianus var. austrinus) is a annual in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–11a. Mature size 1"–18". Blooms Jan–Dec.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to AZ, CA, CO, NM, OK, TX
USDA hardiness: Zones 2b–11a
Mature size: 1"–18"
Sun: —
Water: —
Bloom: Jan–Dec
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Smallflowered milkvetch (Astragalus nuttallianus var. austrinus) — *Astragalus nuttallianus var. austrinus* — Smallflowered milkvetch. Photo via iNaturalist — (c) Eric Knight, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Why it's on this list: native species profile. Native-range data from the Lady Bird Johnson Wildflower Center (NPIN), cross-checked against iNaturalist observations. Part of Rooted Revival's regional native plant catalog — true natives for Oklahoma, Arkansas, Missouri and Kansas.

Companion Planting

[ guild · polyculture · cross-layer pairings ]

In the same native range, smallflowered milkvetch pairs naturally with: Common Sunflower (Helianthus annuus), Indian Blanket (Gaillardia pulchella), Plains Coreopsis (Coreopsis tinctoria), Rocky mountain bee-plant (Peritoma serrulata).