{"product_id":"usda-organic-oyster-mushroom-grow-kit-3-5-lb-indoor-countertop-gardening-box-multiple-harvests","title":"Organic Pearl Oyster Mushroom Grow Kit (3.5 lb)","description":"\u003cp\u003eA 3.5 lb pre-colonised organic substrate block that fruits pearl oyster mushrooms right out of the box. Punch out the front panel, cut a small X into the inner bag, mist daily, and twist your first cluster free in 7-10 days. No soil, no grow lights and no experience required.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eVariety\u003c\/th\u003e\n\u003ctd\u003ePearl Oyster (Pleurotus ostreatus)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eWeight\u003c\/th\u003e\n\u003ctd\u003e3.5 lbs (1.58 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eSubstrate\u003c\/th\u003e\n\u003ctd\u003eOrganic hardwood sawdust and wheat straw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eEnvironment\u003c\/th\u003e\n\u003ctd\u003eIndoor, partial shade \/ indirect room light (all season)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in the USA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eFirst harvest\u003c\/th\u003e\n\u003ctd\u003e7-10 days after opening\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eExpected harvests\u003c\/th\u003e\n\u003ctd\u003e2-3 flushes per kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eShelf life\u003c\/th\u003e\n\u003ctd\u003e14 days sealed in the bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhat is included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOne 3.5 lb fully colonised organic substrate block\u003c\/li\u003e\n\u003cli\u003eWeather-resistant instruction card\u003c\/li\u003e\n\u003cli\u003eAccess to our grow support team\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eHow to grow\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen the panel\u003c\/strong\u003e (1 minute): Punch out the front panel and cut a small X into the inner substrate bag. A clean, sharp blade makes a much tighter cut than tearing.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMist daily\u003c\/strong\u003e (30 seconds a day): Place the block in a cool indoor spot with indirect light and mist the opening 2-3 times a day. Keep it evenly damp, never soaked.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHarvest\u003c\/strong\u003e (Day 7-10): Gently twist and pull your mushroom cluster free right before the caps flatten completely. Leave the block in place for the next flush. \u003cem\u003eMost growers get two or three flushes from one block.\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eLab test results\u003c\/h3\u003e\n\u003cp\u003eTested by Northwest Analytical Labs on 2026-08-14 (batch GWM-26-0814).\u003c\/p\u003e\n\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eLead (Pb)\u003c\/th\u003e\n\u003ctd\u003e\u0026lt;0.05 ppm — Pass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eCadmium (Cd)\u003c\/th\u003e\n\u003ctd\u003e\u0026lt;0.02 ppm — Pass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eMercury (Hg)\u003c\/th\u003e\n\u003ctd\u003e\u0026lt;0.01 ppm — Pass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eTotal plate count\u003c\/th\u003e\n\u003ctd\u003e\u0026lt;1,000 CFU\/g — Pass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth scope=\"row\"\u003eYeast and mould\u003c\/th\u003e\n\u003ctd\u003e\u0026lt;100 CFU\/g — Pass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003ch3\u003eWhy grow with us\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrown in the USA\u003c\/strong\u003e: Small-batch, Pacific Northwest facility\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFree replacements\u003c\/strong\u003e: Damaged or contaminated? We reship it\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThird-party lab tested\u003c\/strong\u003e: Heavy metals and microbial screen\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShips in 2 business days\u003c\/strong\u003e: Free over $199\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently asked questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need a grow tent or special equipment?\u003c\/strong\u003e\u003cbr\u003eNo. This kit is designed for a kitchen counter. The block holds the moisture around the mycelium while it fruits, so a humid room and a daily mist are enough.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this kit safe to eat?\u003c\/strong\u003e\u003cbr\u003eYes. Every block is lab tested for heavy metals, microbial load and yeast and mould before it ships, and the Certificate of Analysis for your batch is published on this page.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat if my block arrives damaged or contaminated?\u003c\/strong\u003e\u003cbr\u003eContact us within 30 days with a photo and your order number and we will ship a free replacement. We have never had to refuse a replacement request.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I grow it outdoors?\u003c\/strong\u003e\u003cbr\u003eYou can, but pearl oysters prefer the more stable humidity of an indoor counter. Outdoors they fruit best in early spring and autumn.\u003c\/p\u003e","brand":"FreshMushKit","offers":[{"title":"1 Pack","offer_id":44879800664142,"sku":"US-Oyster-1","price":35.99,"currency_code":"USD","in_stock":true},{"title":"2 Pack","offer_id":44879800696910,"sku":"US-Oyster-2","price":60.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0772\/9499\/3486\/files\/e7471288c483a0dca5b9ea810ce349ea.jpg?v=1794316578","url":"https:\/\/freshmushkit.com\/products\/usda-organic-oyster-mushroom-grow-kit-3-5-lb-indoor-countertop-gardening-box-multiple-harvests","provider":"FreshMushKit","version":"1.0","type":"link"}