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Threadleaf evening primrose

Oenothera linifolia

Also called Thread-leaved sundrops

Threadleaf evening primrose
Photo: Eric Hunt, CC BY-SA 4.0

Threadleaf evening primrose is a small annual wildflower native to the southeastern United States, growing up to about 50 cm tall with thin, linear leaves. It thrives in full sun and sandy, well-drained soil, and blooms with yellow flowers that open in the evening.

Family
Onagraceae (Evening-primrose family)
Grows as
Annual
Light
Full sun
Water
Water sparingly; let the soil dry out between waterings once established.
Soil
Sandy or gravelly, well-drained soil.
Temperature
Tolerates warm conditions; hardy in mild climates, protect from hard frost.
How easy
Easy
Native range
C. & SE. U.S.A.
Climate
temperate

About

Oenothera linifolia is a species of flowering plant in the evening primrose family known by the common name threadleaf evening primrose. It is native to the southeastern United States. It is an annual herb growing up to 20 in (51 cm) tall.

Other Oenothera plants

Common evening primrose · Tufted Evening Primrose · Antioch Dunes evening primrose · Birdcage evening primrose · Beach evening primrose · Hooker's evening primrose · Narrowleaf evening primrose · Redsepal evening primrose · Cutleaf evening primrose · Lindheimer's Beeblossom · Longstem evening primrose · Bigfruit evening primrose

Text excerpted from the Wikipedia article Oenothera linifolia by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.

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