// SPECIES PROFILE · ANNUAL · NATIVE

Whorled milkwort

Polygala verticillata var. verticillata

Whorled milkwort (Polygala verticillata var. verticillata) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 3a–10a. Mature size 1"–16". Blooms Mar–Nov.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 41 U.S. states, including AL, AR, CT, DC, DE, FL…
USDA hardiness: Zones 3a–10a
Mature size: 1"–16"
Sun: Full sun
Water: —
Bloom: Mar–Nov
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Whorled milkwort (Polygala verticillata var. verticillata) — *Polygala verticillata var. verticillata* — Whorled milkwort. Photo via iNaturalist — (c) Rostyslav Yurechko, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Whorled milkwort (Polygala verticillata var. verticillata) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 3a–10a. Mature size 1"–16". Blooms Mar–Nov.

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, whorled milkwort pairs naturally with: Common Sunflower (Helianthus annuus), Swamp verbena (Verbena hastata), Annual ragweed (Ambrosia artemisiifolia var. artemisiifolia), Lambsquarters (Chenopodium album).