Panicum virgatum ‘Northwind’ is the Perennial Plant Association’s 2014 Perennial Plant of the Year!! 4' - 5' Height 2' - 3' Spread Zone 2-9 Northwind switchgrass is very easy to grow and will enhance any sunny border. Switchgrass is a great selection in the full-sun， especially in meadow or prairie gardens. Flower arrangers find the foliage and plumes useful for arrangements. Finally， this warm-season perennial grass offers golden fall color. A bonus daylily will be included with each order!