// SPECIES PROFILE · ANNUAL · NATIVE

Cutleaf evening-primrose

Oenothera laciniata

Cutleaf evening-primrose (Oenothera laciniata) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–13a. Mature size 6"–2'. Blooms Mar–Oct.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 40 U.S. states, including AL, AR, CA, CT, DC, DE…
USDA hardiness: Zones 2a–13a
Mature size: 6"–2'
Sun: Part shade
Water: —
Bloom: Mar–Oct
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Cutleaf evening-primrose (Oenothera laciniata) — *Oenothera laciniata* — Cutleaf evening-primrose. Photo by Σ64 via Wikimedia Commons (CC BY 3.0).

Field Notes

[ growing · ecology · siting · care ]

Cutleaf evening-primrose (Oenothera laciniata) is a annual in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–13a. Mature size 6"–2'. Blooms Mar–Oct.

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, cutleaf evening-primrose pairs naturally with: Common Sunflower (Helianthus annuus), Virginia peppergrass (Lepidium virginicum), Poorman's pepperwort (Lepidium virginicum var. virginicum), Common water nymph (Najas guadalupensis).