// SPECIES PROFILE · ANNUAL · NATIVE

Powell's amaranth

Amaranthus powellii

Powell's amaranth (Amaranthus powellii) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11b. Mature size 29"–6'. Blooms Jun–Dec.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 45 U.S. states, including AR, AZ, CA, CO, CT, DC…
USDA hardiness: Zones 2a–11b
Mature size: 29"–6'
Sun: —
Water: —
Bloom: Jun–Dec
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Powell's amaranth (Amaranthus powellii) — *Amaranthus powellii* — Powell's amaranth. Photo by Bruce Ackley, The Ohio State University, Bugwood.org via Wikimedia Commons (CC BY 3.0 us).

Field Notes

[ growing · ecology · siting · care ]

Powell's amaranth (Amaranthus powellii) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11b. Mature size 29"–6'. Blooms Jun–Dec.

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, powell's amaranth pairs naturally with: Common Sunflower (Helianthus annuus), Swamp verbena (Verbena hastata), Green amaranth (Amaranthus powellii ssp. powellii), Annual ragweed (Ambrosia artemisiifolia var. artemisiifolia).