ALEXANDRIA, Va., March 24 -- United States Patent no. PP37,339, issued on March 24, was assigned to Walters Gardens Inc (Zeeland, Mich.).
"Panicum plant named 'October Sky'" was invented by Hans A. Hansen (Zeeland, Mich.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A new and distinct plant of ornamental Switch Grass named Panicum 'October Sky' with blue-green, upright and arching foliage that red-purple tips and blush in early September. The upright and dense culms produce medium-height plants with airy panicles beginning greyed-green and becoming reddish-purple in September before drying in the fall to tan seed heads that are retained into winter. The new plant is useful in the landscape as a specimen, en...