Japanese Knotweed Root Slices Hu Zhang 500g Dried Polygonum cuspidatum for Decoction and Herbal Tea

Japanese Knotweed Root Slices, known in TCM as Hu Zhang (虎杖), from Polygonum cuspidatum. These dried root slices are cut from the rhizome and root of the knotweed plant, a classic Chinese herbal material. In TCM theory, Hu Zhang is considered bitter in flavor and slightly cold in nature, traditionally associated with the liver, gallbladder, and lung channels. Traditionally used in decoctions and herbal teas, it is a versatile addition to any herbal pantry. Store in a cool, dry place.

Key Selling Points

• Dried Japanese Knotweed root slices, a classic TCM herbal material
• Botanical source: Polygonum cuspidatum, known as Hu Zhang in Chinese
• Traditionally associated with bitter flavor and slightly cold nature in TCM theory
• Carefully sliced form for convenient decoction, simmering, or tea brewing
• Suitable for herbal teas, decoctions, and traditional wellness routines

Quality & Sensory

The slices typically show a yellowish to yellow-brown cut surface with a firm, woody texture. They carry a mild, earthy aroma, and when simmered or brewed, the liquid typically takes on a light golden hue with a distinctly bitter, slightly astringent taste.

Technical Specifications

Usage Scenarios

• Simmer into a traditional herbal decoction
• Brew as a bitter herbal tea, alone or with other herbs
• Add to soup or congee recipes following traditional preparation
• Use in seasonal herbal blends for daily wellness routines

Traditional Uses

In traditional Chinese practice, Hu Zhang has long been used in decoctions and herbal teas, often paired with herbs such as Yin Chen (Artemisia capillaris) in classic formulas. It was traditionally valued for promoting dampness resolution and blood circulation in TCM theory. Folk use also includes simmering the slices with water for a daily bitter tea, especially in warmer seasons.

FAQ Q&A