Japanese Knotweed Root Hu Zhang 500g Dried Wild Herb for Decoction and Grinding

Japanese Knotweed Root, known in TCM as Hu Zhang (虎杖), from Polygonum cuspidatum. These dried root slices are traditionally sourced and sun-dried, offering a bitter and slightly cold herb used in classical decoctions. In TCM theory, Hu Zhang is associated with clearing damp-heat and supporting normal circulation. Suitable for decoction, grinding into powder, or blending with other herbs under professional guidance.

Key Selling Points

• Dried Japanese Knotweed root slices known in TCM as Hu Zhang
• Botanical source Polygonum cuspidatum with traditional herbal value
• Sun-dried processing preserves the natural character of the root
• Can be decocted or ground into powder for flexible use
• 500g pre-packaged supply suitable for regular herbal preparation

Quality & Sensory

Typically the slices show a yellowish-brown to reddish-brown exterior with a yellowish cut surface and a firm, fibrous texture. The aroma is mildly earthy, and decocted liquid typically carries a distinctly bitter taste.

Technical Specifications

Usage Scenarios

• Simmer into a traditional herbal decoction
• Grind into powder for blending with other herbs
• Combine with other botanicals in soup or tea preparations
• Store as a staple raw herb for seasonal herbal use

Traditional Uses

In TCM practice, Hu Zhang is traditionally used in decoctions and is often paired with herbs such as Yin Chen Hao or Dan Zhu Ye in damp-heat formulas. Folk herbalists have also prepared it as a simple tea or ground powder. It is traditionally associated with the liver, gallbladder, and lung channels.

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