Panax quinquefolius. Perennial herb. North American native has greenish white flowers followed by bright red berries. Sends up only one stem per year, so handle carefully. NOTE: Ginseng can raise blood pressure, cause headaches, and promote estrogen which could be harmful to some people. Good in woodland gardens. Grows 12-24" tall. Full shade. Plant in rich, acidic, moist yet well-drained soil. Perennial