Western Sand Cherry Pawnee Buttes™ (Prunus besseyi) one of the hardiest deciduous shrubs, 3-8 '- rounded form. Prefers full sun, adapts to heat; can be used in hot, dry areas of the landscape. Cold tolerant & hardy to zone 2. Well-drained soil is preferable, but it will adapt to most soils, including clay. Supplemental water:low to none. Rarely bothered by insects or diseases. Flowers white in clusters May to June. Fruit sour cherry , used in pies and Jellies and attractive to birds.