Antioch Dunes Evening Primrose (Oenothera deltoides subsp. howellii) in the Oenotheras Database

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Biennial
Sun Requirements: Full Sun
Minimum cold hardiness: Zone 9a -6.7 °C (20 °F) to -3.9 °C (25 °F)
Maximum recommended zone: Zone 10b
Plant Height: 1 foot
Plant Spread: 18 inches
Flowers: Fragrant
Flower Color: White
Bloom Size: 1"-2"

photo by Stan Shebs

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