// SPECIES PROFILE · ANNUAL · NATIVE

Northern evening-primrose

Oenothera parviflora

Northern evening-primrose (Oenothera parviflora) is a annual in the — family. Native range includes MO — verified against the Lady Bird Johnson Wildflower Center native distribution database. Hardy in zones 2b–9a. Mature size 2'–5'. Blooms Jun–Aug.

// QUICK FACTS

Family: —
Group: annual
Native range: Native to 24 U.S. states, including CT, DC, DE, IA, IL, IN…
USDA hardiness: Zones 2b–9a
Mature size: 2'–5'
Sun: Full sun
Water: —
Bloom: Jun–Aug
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Northern evening-primrose (Oenothera parviflora) — *Oenothera parviflora* — Northern evening-primrose. Photo by Frank Mayfield from Chicago area, USA via Wikimedia Commons (CC BY-SA 2.0).

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, northern evening-primrose pairs naturally with: Black-Eyed Susan (Rudbeckia hirta), Common Sunflower (Helianthus annuus), Swamp verbena (Verbena hastata), Common threeseed mercury (Acalypha rhomboidea).