Oenothera lamarckiana (Onagraceae)                             
A robust annual, of unknown origin which has naturalized throughout the United States. Flowers are light yellow borne on tall, sturdy spikes. Blooms are up to 2 inches across, opening in late afternoon. Prefers well­drained soils in full sun. Evening Primrose can tolerate high pH levels and is less aggressive than other species within this plant family.

Suggested Use: Roadsides, meadows, fence lines.
Miscellaneous: Prolific reseeder. An excellent variety for summer color.

Average Planting Success: 70%