Su Mu (Caesalpinia sappan) — Dried Sappan Wood for Herbal Decoction & Natural Dyeing

Su Mu (Caesalpinia sappan), also known as Sappan Wood or Sapan Wood, is the dried heartwood of a traditional food-herb botanical known in Traditional Chinese Medicine (TCM) as Sū Mù (苏木). For centuries, Su Mu has been prized as a blood-invigorating, stasis-dispelling herb used to promote circulation, ease swelling, and support the smooth movement of qi and blood. Its nature is sweet, salty, and slightly neutral, making it a gentle yet effective herb for invigorating the Blood and harmonizing the meridians.

Key Selling Points

• Traditional blood-invigorating food herb
• Dried Sappan Wood heartwood
• Caesalpinia sappan
• Suitable for decoction and natural dyeing
• Naturally sun-dried, clean quality

Quality & Sensory

Each batch is carefully sun-dried to preserve its deep reddish-brown color, dense woody texture, and mild, faintly sweet aroma. When decocted, the wood releases a warm, reddish infusion with a gentle, slightly astringent taste, adding depth to traditional herbal formulas and natural dye baths.

Technical Specifications

Usage Scenarios

• Traditional herbal decoction
• Natural fabric dyeing
• Herbal tea blends
• Medicinal food soup packs
• Herbal foot soak blends

Traditional Uses

In folk herbal practice, Su Mu is decocted into soups, tonics, and herbal formulas to invigorate Blood, dispel stasis, and ease swelling. It is a common ingredient in traditional medicinal food soups, where it pairs with ingredients like angelica, chuanxiong, and red dates. As a daily tea, it is brewed alone or blended with other herbs for a warm, mildly sweet infusion. Beyond wellness use, Su Mu has long been valued as a natural dye for textiles, yielding rich red and pink hues.

FAQ Q&A