// SPECIES PROFILE · PERENNIAL · NATIVE

Prairie milkvetch

Astragalus laxmannii var. robustior

Prairie milkvetch (Astragalus laxmannii var. robustior) is a perennial in the — family. Native range includes KS — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 1a–9b. Blooms Jun–Aug.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 15 U.S. states, including AK, CO, IA, ID, KS, MN…
USDA hardiness: Zones 1a–9b
Mature size: —
Sun: —
Water: —
Bloom: Jun–Aug
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Prairie milkvetch (Astragalus laxmannii var. robustior) — *Astragalus laxmannii var. robustior* — Prairie milkvetch. Photo via iNaturalist — no rights reserved, uploaded by Kallum McDonald.

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, prairie milkvetch pairs naturally with: Lady Fern (Athyrium filix-femina), Wild Strawberry (Fragaria virginiana), Yarrow (Achillea millefolium), Common selfheal (Prunella vulgaris).