This is Panicum virgatum Sunburst. This is the larval host plant for the Northern Pearly-eye, Tawny-edge Skipper, Delaware Skipper, Teleus Longtail, Dakota Skipper, Dotted Skipper, Northern Broken-Dash, Indian Skipper, Hobomok Skipper, and Least Skipper butterflies. USDA Hardiness Zone 3 to 10