// SPECIES PROFILE · PERENNIAL · NATIVE

Hairy evening primrose

Oenothera villosa

Hairy evening primrose (Oenothera villosa) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11a. Mature size 29"–6'. Blooms Jul–Aug.

// QUICK FACTS

Family: —
Group: perennial
Native range: Native to 42 U.S. states, including AL, AR, AZ, CA, CO, CT…
USDA hardiness: Zones 2a–11a
Mature size: 29"–6'
Sun: —
Water: —
Bloom: Jul–Aug
Wildlife value: Pollinator and wildlife support
Ecological role: native species profile

Hairy evening primrose (Oenothera villosa) — *Oenothera villosa* — Hairy evening primrose. Photo by Matt Lavin from Bozeman, Montana, USA via Wikimedia Commons (CC BY-SA 2.0).

Field Notes

[ growing · ecology · siting · care ]

Hairy evening primrose (Oenothera villosa) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 2a–11a. Mature size 29"–6'. Blooms Jul–Aug.

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, hairy evening primrose pairs naturally with: Broadleaf Arrowhead (Sagittaria latifolia), Lady Fern (Athyrium filix-femina), Wild Strawberry (Fragaria virginiana), Yarrow (Achillea millefolium).