Grass, Prairie Winds® Niagara Falls Switch GrassNiagara Falls Switch Grass is a native warm season ornamental grass with a distinctive weeping habit and fine blue green foliage that turns gold in fall. In summer stems holding airy clusters create a cloud of tiny cream flowers above the foliage 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: 3' 4' Spread: 3' 4' Spacing: 3. 5