Oenothera macrocarpa

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Common Name:  Missouri Evening Primrose, Bigfruit Evening Primrose 

Full sun, medium to moderately dry moisture level, tolerates poor soils including clay.  8-12 inches height, blooms late spring through summer, bright yellow flowers, will self-seed under optimum growing condition

Germination Code: C(60)

Native Region: Only occurs in Wilson and Rutherford counties of the Central Basin Plateau

Designated a “Threatened Species” in Tennessee.  Low maintenance plant with stunning, large yellow flowers on a somewhat sprawling mound of leaves and stems.  Easy to grow.  Will grow in fertile soil but has a hard time competing with other plants.  Attracts hummingbirds, moths and bees.

Missouri Evening Primrose, Bigfruit Evening Primrose - Oenothera macrocarpa 2
Photo Courtesy John Hilty http://www.illinoiswildflowers.info/