7 Jun

Sundrops (Oenothera tetragona), deciduous, fast growth to 2 feet in height with greater spread, bright yellow, 2 inch flowers bloom on 12 inch stems through summer, spreads by underground rhizomes, full sun, drought toleran, thrives on neglect, good for rock gardens.

Sundrops is a cheerful perennial forming clumps one to two feet tall and blooming in early summer. Two inch bright yellow 4-petaled flowers clustered at the ends of stems are open during the day unlike those of the related Evening Primrose. The rich dark green leaves turn bronze for the winter. Grow Sundrops in a dry or average well-drained site in sun or light shade. Place it in the front of the garden with other drought-tolerant species or naturalize it on a sunny bank. Good companions include Butterfly Weed, Black-eyed Susan, Beard-tongue, and Coneflowers.


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