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Oenothera biennis

Common Name(s):
Evening primrose
Categories:
Perennials, Wildflowers
Season:
Spring to fall
Height:
3-5 ft.
Foliage:
Elliptic to lance-shaped leaves are stalkless, 1-6 in. long, wavy-toothed; erect, stout stem is often red-tinged
Flower:
1-2 in. pale yellow flower has four petals atop the long, slender calyx tube; flowers open in the evening and remain open through morning, closing in the heat of day
Site:
Poor to average well-drained soil; sun
Life Cycle:
Biennial or perennial
Tags:
sun, summer, yellow, wildflower, perennial, fall, spring

NCCES plant id: 2669

Oenothera biennis Oenothera biennis
Anita Gould, CC BY-NC - 4.0
Oenothera biennis Oenothera biennis
Andreas Rockstein, CC BY-SA - 4.0
Oenothera biennis Oenothera biennis
Andreas Rockstein, CC BY-SA - 4.0
Oenothera biennis Oenothera biennis
Andreas Rockstein, CC BY-SA - 4.0
Oenothera biennis Oenothera biennis
Andreas Rockstein, CC BY-SA - 4.0
Oenothera biennis Oenothera biennis
Frank Mayfield, CC BY-SA - 4.0
Oenothera biennis Oenothera biennis
Bill Rogers, CC BY-NC-ND - 4.0