Agaricus bisporus Mushroom Spawn
This is live spawn of Agaricus bisporus (button mushrooms), consisting of mycelium grown on sterilized grain substrate, used by growers to inoculate compost beds for commercial mushroom production. It falls under HTS 0602.90.5000 as mushroom spawn, which is classified as a live plant product for propagation in the context of fungal cultivation. The product is supplied by specialized mushroom spawn producers for planting in controlled environments.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If dried, dormant, or processed for food use
Dried mushrooms or truffles not for propagation fall under Chapter 7 as vegetable products, excluding live spawn.
If sold as a microbial culture for industrial fermentation rather than mushroom cultivation
Cultures of micro-organisms for non-planting uses are classified in Chapter 30 as antisera and biological products.
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Import Tips & Compliance
• Obtain a phytosanitary certificate from the exporting country confirming the spawn is free from pests and diseases, as required for live plant materials under USDA APHIS regulations
• Verify viability upon arrival with customs; non-viable spawn may be reclassified or denied entry to prevent agricultural risks
• Label packages clearly as 'mushroom spawn for propagation' to avoid confusion with food products under Chapter 7
Related Products under HTS 0602.90.50.00
Pleurotus ostreatus Oyster Mushroom Spawn
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.
Lentinula edodes Shiitake Mushroom Spawn
Shiitake (Lentinula edodes) mushroom spawn grown on hardwood sawdust or grain, used to colonize logs or bags for high-yield fruiting in commercial and home cultivation. It qualifies under HTS 0602.90.5000 as mushroom spawn, encompassing live fungal propagules supplied for planting like nursery goods. Excluded from Chapter 7 per chapter notes.
Trametes versicolor Turkey Tail Mushroom Spawn
Spawn of Trametes versicolor (turkey tail fungus) on grain medium, utilized for medicinal mushroom cultivation on hardwood substrates or for mycoremediation projects. Falls under HTS 0602.90.5000 as other mushroom spawn, treated as live plants for planting or ornamental use in Chapter 6. Supplied by fungal nurseries for propagation.
Ganoderma lucidum Reishi Mushroom Spawn
Reishi (Ganoderma lucidum) spawn on supplemented sawdust or grain, for growing on oak logs or in bags for traditional medicine and ornamental purposes. Classified in HTS 0602.90.5000 as mushroom spawn, aligning with Chapter 6's scope for live goods from fungal 'florists' for planting. Not a Chapter 7 product.
Psilocybe cubensis Magic Mushroom Spawn
Live spawn of Psilocybe cubensis on brown rice flour substrate, for research or cultivation where legal. Under HTS 0602.90.5000 as mushroom spawn, per Chapter 6 for live planting materials, subject to narcotic controls separately. Provided by specialized propagators.
Hericium erinaceus Lion's Mane Mushroom Spawn
Lion's mane (Hericium erinaceus) spawn on hardwood pellets, inoculated for fruiting on sawdust blocks in gourmet and nootropic markets. HTS 0602.90.5000 covers this as other mushroom spawn, live fungal material for planting per chapter notes excluding Chapter 7 edibles.