University of Wisconsin-Madison | Botany Plant Growth Facilities


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Genus: Oenothera

Species: speciosa

Common Name: White Evening Primrose

Family: Onagraceae

Order: Myrtales

Native: Kansas to Texas

Habit: Herbaceous Perennial

Height: 1 to 2 feet

Width: 1 to 2 feet

Flowering Season: Spring to Summer

Flower Color: White-pink

Propagation: Seed or division

Zone: 6-11

Note: This plant is suitable for perennial borders. Flowers of White Evening Primrose open only during the daylight hours. Prefers sunny to partly shady, moderately dry, well-drained, ordinary garden soil.