// SPECIES PROFILE · ANNUAL · NATIVE

Bighead pygmycudweed

Evax prolifera

Bighead pygmycudweed (Evax prolifera) is a annual in the — family. Native range includes AR, KS, OK. Hardy in zones 2a–10a. Mature size 1"–6". Blooms Apr–Jun.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 13 U.S. states, including AL, AR, CO, KS, LA, MS…
USDA hardiness: Zones 2a–10a
Mature size: 1"–6"
Sun: Part shade
Water: —
Bloom: Apr–Jun
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Bighead pygmycudweed (Evax prolifera) — *Evax prolifera* — Bighead pygmycudweed. Photo by Annika Lindqvist via Wikimedia Commons (CC BY 4.0).

Field Notes

[ growing · ecology · siting · care ]

Bighead pygmycudweed (Evax prolifera) is a annual in the — family. Native range includes AR, KS, OK. Hardy in zones 2a–10a. Mature size 1"–6". Blooms Apr–Jun.

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, bighead pygmycudweed pairs naturally with: Common Sunflower (Helianthus annuus), Plains Coreopsis (Coreopsis tinctoria), Swamp verbena (Verbena hastata), Slim amaranth (Amaranthus hybridus).