Japanese Knotweed Root Slices Hu Zhang 500g Dried Polygonum cuspidatum Traditional TCM Herb for Decoction and Tea

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, offering a classic bitter, mildly cold herb traditionally associated with clearing damp-heat and supporting smooth flow of qi and blood in TCM theory. The slices can be ground into powder and are commonly prepared as decoction pieces. Store in a cool, dry place and use according to traditional guidance or professional advice.

Key Selling Points

• Dried Japanese Knotweed root slices known in TCM as Hu Zhang (虎杖)
• Botanical source Polygonum cuspidatum with traditional bitter and mildly cold properties
• Sun-dried processing with slices suitable for grinding into powder
• Pre-packaged 500g bag for convenient herbal preparation
• Traditionally used in decoctions and folk herbal practice

Quality & Sensory

The slices typically show a yellowish to yellow-brown cut surface with a firm, woody texture and a faint earthy aroma. When decocted, the liquid typically takes on a golden-yellow tone with a distinctly bitter taste.

Technical Specifications

Usage Scenarios

• Simmer as a traditional herbal decoction
• Steep as a bitter herbal tea infusion
• Grind into powder for traditional herbal preparations
• Combine with other herbs in folk formulas

Traditional Uses

In TCM theory, Hu Zhang is traditionally associated with clearing damp-heat, promoting bile flow, and invigorating blood circulation. Folk practice has used the root in decoctions, often paired with herbs such as Yin Chen (茵陈) for seasonal damp-heat formulas. It has also been applied externally in traditional liniments and washes. Preparation typically involves simmering the slices in water.

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