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 traditionally used in Chinese herbal practice, where the root is characterized as bitter in flavor and slightly cold in nature. In TCM theory, Hu Zhang is traditionally associated with clearing damp-heat and supporting smooth flow of qi and blood. Suitable for decoction, tea, or external foot soak use under the guidance of a qualified practitioner.

Key Selling Points

• Dried Japanese Knotweed root slices known in TCM as Hu Zhang (虎杖)
• Botanical source Polygonum cuspidatum, cut and sun-dried for convenient preparation
• Traditionally associated in TCM with clearing damp-heat and promoting blood circulation
• Bitter flavor and slightly cold nature according to traditional Chinese herbal classification
• Versatile form suitable for decoction, herbal tea, or external foot soak

Quality & Sensory

The slices typically show a yellowish to yellow-brown cut surface with a firm, woody texture. The aroma is typically faint and earthy, and a decoction typically yields a bitter, slightly astringent taste.

Technical Specifications

Usage Scenarios

• Simmer into a traditional herbal decoction
• Steep as a bitter herbal tea
• Add to foot soak water for external use
• Combine with other herbs in TCM formulas

Traditional Uses

In TCM, Hu Zhang is traditionally used to clear damp-heat, promote the movement of blood, and ease discomfort associated with stagnation. It has historically been prepared as a single-herb decoction or combined with other cooling herbs, and folk practice has also used it externally in washes and foot soaks. Traditional texts describe its bitter, slightly cold nature as suited to internal damp-heat patterns.

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