Fo-ti (Fallopia multiflora): Chinese Knotweed for Longevity

Fo-ti: The Chinese Knotweed of Longevity Legend

Fo-ti (Fallopia multiflora), also called Chinese knotweed or he shou wu, is a vigorous perennial vine native to China. Its heart-shaped leaves and foamy white flower panicles are ornamental, but the root is the prized part in Traditional Chinese Medicine, reputed to restore hair color and vitality.

Botanical Profile

Grows 10–20 feet as a twining vine. The roots are tuberous, harvested after 3–4 years. Processed (cured with black beans) vs. raw root have different properties. Can be invasive in warm climates.

Traditional Uses and Cautions

• TCM tonic: Processed root for liver/kidney yin, premature graying, longevity.
• Raw root: Laxative, detoxifying; different action.
• Ornamental vine: Covers fences, trellises quickly.
• Caution: Liver toxicity reported with excessive/unprocessed use. Consult TCM practitioner.

Full sun to part shade, moist, well-drained soil. Provide strong support. Can be aggressive; monitor spread. Hardy in USDA zones 7–10.