// SPECIES PROFILE · ANNUAL · NATIVE

Variableleaf evening primrose

Oenothera heterophylla ssp. heterophylla

Variableleaf evening primrose (Oenothera heterophylla ssp. heterophylla) is a annual in the — family. Native range includes AR, MO. Hardy in zones 5a–10a. Mature size 1"–28". Blooms May–Sep.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to AR, LA, MO, TX
USDA hardiness: Zones 5a–10a
Mature size: 1"–28"
Sun: —
Water: —
Bloom: May–Sep
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Variableleaf evening primrose (Oenothera heterophylla ssp. heterophylla) — *Oenothera heterophylla ssp. heterophylla* — Variableleaf evening primrose. Photo via iNaturalist — (c) Laura Clark, some rights reserved (CC BY), uploaded by Laura Clark.

Field Notes

[ growing · ecology · siting · care ]

Variableleaf evening primrose (Oenothera heterophylla ssp. heterophylla) is a annual in the — family. Native range includes AR, MO. Hardy in zones 5a–10a. Mature size 1"–28". Blooms May–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, variableleaf evening primrose pairs naturally with: Black-Eyed Susan (Rudbeckia hirta), Common Sunflower (Helianthus annuus), Indian Blanket (Gaillardia pulchella), Lemon Beebalm (Monarda citriodora).