// SPECIES PROFILE · PERENNIAL · NATIVE

Trinidad milkvetch

Astragalus puniceus var. puniceus

Trinidad milkvetch (Astragalus puniceus var. puniceus) is a perennial in the — family. Native range includes OK — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–10a. Blooms May–Jul.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to CO, NM, OK, TX
USDA hardiness: Zones 2b–10a
Mature size: —
Sun: —
Water: —
Bloom: May–Jul
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Trinidad milkvetch (Astragalus puniceus var. puniceus) — *Astragalus puniceus var. puniceus* — Trinidad milkvetch. Photo via iNaturalist — (c) Mark Pollock, 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, trinidad milkvetch pairs naturally with: Aromatic Aster (Symphyotrichum oblongifolium), Broadleaf Arrowhead (Sagittaria latifolia), Butterfly Milkweed (Asclepias tuberosa), Cardinal Flower (Lobelia cardinalis).