// SPECIES PROFILE · PERENNIAL · NATIVE

Ozark milkvetch

Astragalus distortus var. distortus

Ozark milkvetch (Astragalus distortus var. distortus) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 4b–10a. Mature size 6"–1'. Blooms Mar–Jun.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 12 U.S. states, including AR, IA, IL, KS, LA, MD…
USDA hardiness: Zones 4b–10a
Mature size: 6"–1'
Sun: —
Water: —
Bloom: Mar–Jun
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Ozark milkvetch (Astragalus distortus var. distortus) — *Astragalus distortus var. distortus* — Ozark milkvetch. Photo via iNaturalist — (c) Laura Clark, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Ozark milkvetch (Astragalus distortus var. distortus) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 4b–10a. Mature size 6"–1'. Blooms Mar–Jun.

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, ozark milkvetch pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Blue-Eyed Grass (Sisyrinchium angustifolium), Butterfly Milkweed (Asclepias tuberosa), Cardinal Flower (Lobelia cardinalis).