Scientific Name:Oenothera biennis Height: 6-36" Width: 12-18 Habitat: Prefers full sun. The soil should be of poor to average fertility and very well drained Spacing: 12"
Flowers are partially closed during the day and open in the evening. The fragrant yellow flowers usually last only 1 to 2 days. The erect stem, which sometimes branches near the top, can be covered with hairs.
Scientific Name: Oenothera biennis