// SPECIES PROFILE · ANNUAL · NATIVE

Swamp verbena

Verbena hastata var. hastata

Swamp verbena (Verbena hastata var. hastata) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–10a. Mature size 29"–6'. Blooms Jun–Sep.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 48 U.S. states, including AL, AR, AZ, CA, CO, CT…
USDA hardiness: Zones 2b–10a
Mature size: 29"–6'
Sun: Part shade
Water: Medium
Bloom: Jun–Sep
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Swamp verbena (Verbena hastata var. hastata) — *Verbena hastata var. hastata* — Swamp verbena. Photo via iNaturalist — (c) Skyler Principe, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Swamp verbena (Verbena hastata var. hastata) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2b–10a. Mature size 29"–6'. Blooms Jun–Sep.

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