Grass-like Perennial: Evergreen. Deer resistant. Striking foliage! Great accent for semi-shaded areas as a ground cover or in rock gardens. Attracts butterflies. Blooms: May-June with brown spikes that aren't very showy. Best in or near water but don't put new plants in more than 4" of water. Tolerates bog. Grows 2' x 2' sometimes more. USDA Z3.