Wild Japanese Knotweed Root Slices Hu Zhang 500g Dried Traditional Herb for Decoction and Tea

Wild Japanese Knotweed Root Slices, known in TCM as Hu Zhang (虎杖), from Polygonum cuspidatum. These dried root slices are traditionally used in Chinese herbal practice, where the herb is considered bitter in flavor and slightly cold in nature, associated with the liver, gallbladder, and lung channels. Traditionally valued in decoctions and herbal teas, this pre-packaged botanical is intended for traditional herbal preparation and should be used according to professional guidance.

Key Selling Points

• Dried wild-harvested Japanese Knotweed root slices prepared by traditional sun-drying
• Botanical source is Polygonum cuspidatum, a classic TCM herb
• Known in Chinese herbalism as Hu Zhang, also called Bitter Knotweed or Tiger Cane
• Sliced form is convenient for decoction, herbal tea, or grinding into powder
• Pre-packaged 500g bag suitable for regular traditional herbal use

Quality & Sensory

The slices typically show a yellowish to yellow-brown cut surface with a firm, woody texture and a pale brown outer bark. They carry a mild earthy aroma, and a decoction typically tastes distinctly bitter with a subtle astringent finish.

Technical Specifications

Usage Scenarios

• Simmer into a traditional herbal decoction
• Brew as a bitter herbal tea, alone or with other herbs
• Grind into powder for traditional herbal preparations
• Add to seasonal herbal soup blends under professional guidance

Traditional Uses

In TCM theory, Hu Zhang is traditionally associated with dispelling dampness, promoting blood circulation, and supporting the gallbladder, and it has long appeared in folk decoctions and seasonal herbal drinks. Traditionally it is simmered alone or combined with herbs such as Yin Chen (Artemisia capillaris) in classic damp-heat formulas. It may also be ground into powder for traditional external or internal preparations as directed by a practitioner.

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