Pleurotus ostreatus Oyster Mushroom Spawn from China
Live spawn of Pleurotus ostreatus (oyster mushrooms) on rye grain or sawdust substrate, designed for inoculating pasteurized straw or wood substrates in mushroom farming. Classified under HTS 0602.90.5000 as other mushroom spawn, part of live plants for ornamental or propagation use per Chapter 6 notes. Commonly supplied by nursery-like fungal propagators.
Duty Rate — China → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Ensure spawn is shipped in sterile, breathable packaging to maintain mycelial viability during transit, complying with international plant protection conventions
• Declare the mushroom species accurately on import paperwork to match APHIS permit requirements for specific fungal strains
• Avoid mixing with agricultural commodities to prevent cross-contamination inspections