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

Japanese Knotweed Root Slices, known in TCM as Hu Zhang (虎杖), from Polygonum cuspidatum. These dried root slices are sun-dried and pre-packaged in two 250g jars. In TCM theory, Hu Zhang is 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 valued in classical herbal practice. Store in a cool, dry place.

Key Selling Points

• Dried Japanese Knotweed root slices known in TCM as Hu Zhang (虎杖)
• Botanical source Polygonum cuspidatum, a classic Chinese herbal material
• Sun-dried processing with 24-month shelf life under cool dry storage
• Convenient 500g pack divided into two 250g jars
• Traditionally prepared as herbal tea, water infusion, or decoction

Quality & Sensory

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

Technical Specifications

Usage Scenarios

• Simmer as a traditional herbal decoction
• Steep slices in hot water as a bitter herbal tea
• Add to herbal soup preparations with other botanicals
• Use in seasonal folk herbal routines

Traditional Uses

In traditional Chinese practice, Hu Zhang has long been used in decoctions and herbal infusions, often simmered alone or combined with other roots and herbs according to classical formulas. It was traditionally associated with clearing damp-heat and supporting smooth flow of qi and blood in TCM theory. Folk herbalists also prepared it as a simple tea or added it to seasonal herbal soups.

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