Zebra Ornamental Grass Impressive and exotic looking, growing 4-7 ft. tall and spreading to 3-5 ft. Emerald-green foliage will develop golden stripes midsummer, and silvery plumes appear in autumn and last through the winter. Does best in full sun, as an accent or grouping. Hardy and will tolerate drought and a wide range of soil conditions. Potted plants. Zones 4-9.