South Carolina has only two hardiness zones: 7 and 8. To be safe, plant varieties that grow best in zones 6 and 7. Many popular garden plants grow well in South Carolina's hardiness zones.
The Oshima sedge, or Japanese sedge grass (Carex oshimensis), is a perennial evergreen that grows 10 to 20 inches tall with narrow, grass-like leaves that are 10 to 15 inches long. Colors are determined by the cultivar. Plant an Oshima sedge in full sun or dappled shade in moist, well-drained soils.
Sweet Autumn Clematis
The sweet autumn clematis, or Japanese clematis (Clematis terniflora), is a member of the buttercup family. It is a fragrant perennial vine that can grow 4 inches tall and 30 feet long with glossy leaves that are 2 to 3 inches long. Flowers are white, 1 ¼ inches wide and star-like. Plant a sweet autumn clematis in good mulch with sunlight and regular watering. Propagate via seed, cuttings or layering.
Japanese Blood Grass
Japanese blood grass, cogongrass or satintail (Imperata cylindrical) is a fast-growing, drought-tolerant perennial grass. It grows 2 to 4 feet tall with ½ inch wide leaves. The white flowers are 1 to 16 inch long spikes. Plant Japanese blood grass in acidic soil with partial shade or full sun. Propagate via seed or rhizomes.
The American lotus, or yellow lotus (Nelumbo lutea), is a perennial water plant that has 2 foot long leaves and yellow flowers that are 10 inches wide. Plant an American lotus in full sun with its roots under water. Propagate via seed or rhizome division.
The blackberry, or bramble (Rubus fruticosus), comes from the rose family. It is a perennial that attracts songbirds. Depending on the cultivar, the plant can be thorny or not, with a variety of fruits and leaf sizes, colors and shapes. Plant a blackberry in full sun with 1 inch of rain or watering a week. Propagate via layering, suckers or root sections.
The butterfly blue, or small scabious (Scabiosa columbaria), comes from the sundew family. It is a fragrant perennial that is easy to grow and attractive to butterflies. It grows 2 feet high and 3 feet wide with hairy, gray-green leaves that are 2 to 6 inches long. Flowers are lavender-blue and 1 ½ inches wide. Plant a butterfly blue in non-acidic soil in full sun. Propagate via seed, cuttings or division.