Ravenna grass (sometimes also called plume grass) is a very tall, erect, ornamental grass which forms clumps which typically grow 9-12' tall and 4-6' wide. Similar in appearance to the less hardy Pampas grass. Plumes or inflorescences (to 24" long) appear in late summer on stiff, leafed stalks well above the foliage. Plumes bloom purplish-bronze turning to silver-gray in fall and persist well into winter. Narrow, 1 inch wide, gray-green leaf blades (to 30" long) with a single white stripe down the middle of each. Rustling sound of the foliage when caressed by breezes can be quite calming. Foliage turns an attractive bronze in fall. Formerly known as Erianthus ravennae.