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// SPECIES PROFILE · PERENNIAL · NATIVE

Bigfruit evening-primrose

Oenothera macrocarpa ssp. macrocarpa

Bigfruit evening-primrose (Oenothera macrocarpa ssp. macrocarpa) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 4a–10a. Mature size 8"–10". Blooms Apr–Aug.

// QUICK FACTS
Family
—
Group
perennial
Native range
Native to AR, IL, KS, MO, NE, OK, TN, TX
USDA hardiness
Zones 4a–10a
Mature size
8"–10"
Sun
Full sun
Water
Low · xeric
Bloom
Apr–Aug
Wildlife value
Pollinator and wildlife support
Ecological role
native species profile
Bigfruit evening-primrose (Oenothera macrocarpa ssp. macrocarpa)
Oenothera macrocarpa ssp. macrocarpa — Bigfruit evening-primrose. Photo via iNaturalist — (c) Татьяна Максимова, some rights reserved (CC BY).

Field Notes

[ growing · ecology · siting · care ]

Bigfruit evening-primrose (Oenothera macrocarpa ssp. macrocarpa) is a perennial in the — family. Native range includes AR, KS, MO, OK. Hardy in zones 4a–10a. Mature size 8"–10". Blooms Apr–Aug. Low water use makes it a strong candidate for xeric and drought-conscious plantings.

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, bigfruit evening-primrose pairs naturally with: American Lotus (Nelumbo lutea), Aromatic Aster (Symphyotrichum oblongifolium), Broadleaf Arrowhead (Sagittaria latifolia), Butterfly Milkweed (Asclepias tuberosa).

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