Grass, Northwind Switch GrassNorthwind Switch Grass is a tall fast growing ornamental grass native to the prairies of North America. The stiff upright olive to blue green foliage turns yellow beige in fall. In mid summer stems holding airy clusters of tiny yellow flowers raise above the foliage like a cloud which turn brown in fall and persist through winter. Prefers part sun and moist well drained soils. Type: Orn. Grass Origins: Central and East N. America; GA Native Height: 4'