The flower of the Showy Evening Primrose opens in the evening or on overcast days, remaining open through the morning but closing during the heat of the day. Hawk moths, hummingbirds, and bees pollinate the flowers. The plant flowers in May and June and is found along roadside and in hills in dry rocky soil. The flower has four petals and is white with an occasional pinkish tinge.
Showy Evening Primrose
This image was taken on a roadside in southern Butler County near Douglass, Kansas in early May 2014.
Cucumber Beetle, Showy Evening Primrose
The flower can make good food for the Cucumber Beetle. It can also take on a pinkish hue.