groundcover, perennial

Oenothera macrocarpa | Missouri Evening Primrose

(Oenethera missouriensis)

Missouri Evening Primrose produces large, 4-inch flowers that are pure yellow. Flowers last only one day, but because flowering is so profuse it is hard to notice. Accepting of tough conditions. Better with afternoon shade in hottest climates. Canopy coverage: 3 square feet.

Water Requirement: low, moderate

Sun Exposure: partial shade, full sun

Cold Hardiness: cold hardy to -20F

Growth Rate: fast

Height: 1 feet high

Width: 2 feet wide


Foliage Color: bright green

Flower Color: yellow

Flower Season: spring, summer