upright, perennial, frost resistant. in our country it is known

architecture tallstemmed switchgrass ornamental department paniculata perennial resistant landscape panelling prairies graceful backyard woodland waterway exterior fountain building virgatum upright country walkway asphalt bundles compact crushed display outdoor panicum vulgare common millet flower garden autumn nature border design gravel modern office powder retail square street window winter frost grass forms dense tufts store plant shrub beige brown frame green large panic stone sunny tying high tree leaf