// SPECIES PROFILE · ANNUAL · NATIVE

Oriental evening primrose

Oenothera heterophylla ssp. orientalis

Oriental evening primrose (Oenothera heterophylla ssp. orientalis) is a annual in the — family. Native range includes AR — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 6b–9a. Mature size 1"–28". Blooms May–Sep.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to AL, AR
USDA hardiness: Zones 6b–9a
Mature size: 1"–28"
Sun: —
Water: —
Bloom: May–Sep
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

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

Field Notes

[ growing · ecology · siting · care ]

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, oriental evening primrose pairs naturally with: Black-Eyed Susan (Rudbeckia hirta), Common Sunflower (Helianthus annuus), Indian Blanket (Gaillardia pulchella), Lemon Beebalm (Monarda citriodora).