OENOTHERA, Evening primrose, Sundrops
There are many biennial and perennial Oenotheras but several are rather popular annuals.
Oenothera drummondi. Drummond Evening-primrose. This annual, 1 to 9. feet tall, has bright yellow flowers. Like all Evening primroses, it is four-petaled.
Oenothera America is a large-flowered type with white flowers, which turn pinkish.
USE. They are attractive border plants for sunny locations, although they apparently stand some shade.
GENERAL. Sow the seeds early in the Spring in the open soil. Let the plants stand 8 to 12 inches apart.