// SPECIES PROFILE · ANNUAL · NATIVE

Swamp verbena

Verbena hastata

Swamp verbena (Verbena hastata) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11a. Mature size 29"–6'. Blooms Jun–Sep.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 49 U.S. states, including AL, AR, AZ, CA, CO, CT…
USDA hardiness: Zones 2a–11a
Mature size: 29"–6'
Sun: Part shade
Water: Low · xeric
Bloom: Jun–Sep
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Swamp verbena (Verbena hastata) — *Verbena hastata* — Swamp verbena. Photo by Cody Hough via Wikimedia Commons (CC BY-SA 3.0).

Field Notes

[ growing · ecology · siting · care ]

Swamp verbena (Verbena hastata) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11a. Mature size 29"–6'. Blooms Jun–Sep. Low water use makes it a strong candidate for xeric and drought-conscious plantings.

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), Annual ragweed (Ambrosia artemisiifolia var. artemisiifolia), Lambsquarters (Chenopodium album), Pitseed goosefoot (Chenopodium berlandieri).