{"product_id":"shiitake-mushroom-growing-kit","title":"Lykyn Shiitake Mushroom Fruiting Block - 5 lbs","description":"\u003cdiv class=\"lykyn-trust-hero\"\u003e\n  \u003ch2\u003eYour grow keeps running — even if our servers don't.\u003c\/h2\u003e\n  \u003cp\u003eThe Lykyn Shiitake mushroom grow kit is a fully colonized 5 lb hardwood block paired with on-device automation. No app lock-in. No bricking. Pick \"Shiitake\" in the Lykyn app once and the chamber runs the preset on-board - humidity, airflow, and light keep cycling even if Wi-Fi or the Lykyn cloud ever go offline.\u003c\/p\u003e\n  \u003cul class=\"trust-badges\"\u003e\n    \u003cli\u003eShips from California in 48 hours\u003c\/li\u003e\n    \u003cli\u003e3-month block viability guarantee\u003c\/li\u003e\n    \u003cli\u003eReal human support — Sean, Abraham, Ibrahim reply within 1-2 business days\u003c\/li\u003e\n    \u003cli\u003eIn stock. No pre-orders.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eShiitake mushroom growing kit with dense, cracked caps\u003c\/h2\u003e\n\u003cp\u003eThe Lykyn Shiitake Mushroom Fruiting Block is a 5 lb fully colonized hardwood block designed to produce rich, meaty shiitake mushrooms at home. Each shiitake mushroom growing kit yields 0.75 to 1 lb per harvest across 2 to 3 flushes, giving you a steady supply of one of the world's most prized culinary mushrooms. Pair it with the Lykyn Smart Grow Chamber for app-controlled humidity and airflow that takes the guesswork out of growing shiitake mushrooms indoors.\u003c\/p\u003e\n\n\u003ch2\u003eWhat makes this shiitake grow kit different\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eFully colonized 5 lb hardwood block is ready to fruit with no inoculation or grain spawn required, making it one of the simplest shiitake mushroom growing kits available.\u003c\/li\u003e\n  \u003cli\u003eExpected yield of 0.75 to 1 lb per flush delivers enough shiitake mushrooms for multiple meals from a single harvest cycle.\u003c\/li\u003e\n  \u003cli\u003e2 to 3 harvests per block means weeks of continuous growing from one shiitake growing kit before the substrate is spent.\u003c\/li\u003e\n  \u003cli\u003e10 to 21 day fruiting cycle per flush gives you a predictable harvest window, slower than oyster kits but producing denser, more flavorful caps.\u003c\/li\u003e\n  \u003cli\u003eApp-controlled growing environment with the Lykyn Smart Grow Chamber automates humidity, airflow, and contamination prevention for your shiitake mushroom grow kit.\u003c\/li\u003e\n  \u003cli\u003eBeginner to intermediate difficulty requires minimal experience, though shiitake blocks do need a browning and cold-shock step before first fruiting.\u003c\/li\u003e\n  \u003cli\u003eBeta-glucans and lentinan are naturally present in shiitake mushrooms, compounds studied for their role in immune system support.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWho should grow shiitake mushrooms at home\u003c\/h2\u003e\n\u003cp\u003eThis shiitake mushroom growing kit is built for home cooks who want the deepest umami flavor without a grocery store markup. If you already grow oyster mushrooms and want to level up, shiitake is the natural next step. The Lykyn shiitake grow kit also works well for health-conscious growers interested in the nutritional profile of fresh shiitake, which includes B vitamins, copper, selenium, zinc, and potassium. Families growing food at home, plant-based cooks looking for a meat alternative, and anyone curious about indoor mushroom cultivation will find this shiitake growing kit rewarding and manageable.\u003c\/p\u003e\n\n\u003ch2\u003eShiitake mushroom fruiting block specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBlock weight\u003c\/td\u003e\n\u003ctd\u003e5 lbs fully colonized\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubstrate\u003c\/td\u003e\n\u003ctd\u003eSupplemented hardwood sawdust\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecies\u003c\/td\u003e\n\u003ctd\u003eLentinula edodes (Shiitake)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExpected yield per flush\u003c\/td\u003e\n\u003ctd\u003e0.75 to 1 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of flushes\u003c\/td\u003e\n\u003ctd\u003e2 to 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTime to first harvest\u003c\/td\u003e\n\u003ctd\u003e10 to 21 days per flush\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDifficulty level\u003c\/td\u003e\n\u003ctd\u003eBeginner to Intermediate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIdeal humidity\u003c\/td\u003e\n\u003ctd\u003e80 to 90% RH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIdeal temperature\u003c\/td\u003e\n\u003ctd\u003e55 to 75°F (13 to 24°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLight requirement\u003c\/td\u003e\n\u003ctd\u003eIndirect ambient light\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended setup\u003c\/td\u003e\n\u003ctd\u003eLykyn Smart Grow Chamber\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePreparation required\u003c\/td\u003e\n\u003ctd\u003eBlock browning + 48-hour cold shock\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFresh shelf life\u003c\/td\u003e\n\u003ctd\u003e7 to 10 days refrigerated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eHonest limitations for Shiitake growing\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eShiitake requires a browning phase plus a 48-hour cold shock before first fruiting. This is not optional and takes ~2 weeks on top of colonization.\u003c\/li\u003e\n  \u003cli\u003eShiitake prefers 55-75°F. The Lykyn chamber does not actively cool - room temperature matters.\u003c\/li\u003e\n  \u003cli\u003eSwitching species presets requires the app and internet. The currently-running Shiitake preset keeps running on the device regardless.\u003c\/li\u003e\n  \u003cli\u003eShips from California in 48 hours. Designed in California, built in our Türkiye factory.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eFrequently asked questions about shiitake mushrooms\u003c\/h2\u003e\n\n\u003ch3\u003eHow to grow shiitake mushrooms\u003c\/h3\u003e\n\u003cp\u003eShiitake mushrooms grow on colonized hardwood blocks or logs. With a shiitake mushroom growing kit like the Lykyn fruiting block, you allow the block surface to brown fully, cold-shock it in the refrigerator for 48 hours, then place it in a humid environment at 55 to 75 degrees Fahrenheit. Pins appear within 7 to 14 days, and caps mature over the following week. The Lykyn Smart Grow Chamber automates humidity and airflow for consistent results.\u003c\/p\u003e\n\n\u003ch3\u003eHow do you grow shiitake mushrooms\u003c\/h3\u003e\n\u003cp\u003eYou grow shiitake mushrooms by providing a colonized substrate, proper humidity between 80 and 90 percent, fresh air exchange, and indirect light. The Lykyn shiitake growing kit arrives fully colonized, so no inoculation is needed. After the browning and cold-shock preparation steps, the block fruits in your Lykyn chamber with app-controlled conditions. Each block produces 2 to 3 flushes yielding 0.75 to 1 lb per harvest.\u003c\/p\u003e\n\n\u003ch3\u003eHow to grow shiitake mushrooms at home\u003c\/h3\u003e\n\u003cp\u003eGrowing shiitake mushrooms at home requires a colonized fruiting block, a humid growing environment, and patience. The Lykyn 5 lb shiitake block and Smart Grow Chamber provide everything you need. Place the prepared block in the chamber, select Shiitake in the app, and the system manages humidity and airflow automatically. Expect your first harvest in 10 to 21 days.\u003c\/p\u003e\n\n\u003ch3\u003eHow to grow shiitake mushrooms indoors\u003c\/h3\u003e\n\u003cp\u003eIndoor shiitake growing is straightforward with a fruiting block and controlled environment. The Lykyn shiitake mushroom grow kit uses a 5 lb hardwood block that fruits inside the Lykyn Smart Grow Chamber at room temperature. The chamber maintains 80 to 90 percent humidity and provides automated fresh air exchange. Indoor growing eliminates weather dependency and contamination risks that outdoor log methods face.\u003c\/p\u003e\n\n\u003ch3\u003eAre shiitake mushrooms good for you\u003c\/h3\u003e\n\u003cp\u003eShiitake mushrooms are nutrient-dense and low in calories. A 100-gram serving provides B vitamins, copper, selenium, zinc, and potassium. Shiitake contain beta-glucans and lentinan, polysaccharides studied for immune system support. They are also a natural source of ergothioneine, an antioxidant. Growing shiitake at home with a Lykyn fruiting block ensures you harvest them at peak freshness.\u003c\/p\u003e\n\n\u003ch3\u003eWhere do shiitake mushrooms grow\u003c\/h3\u003e\n\u003cp\u003eShiitake mushrooms (Lentinula edodes) grow naturally on decaying hardwood trees in East Asia, particularly oak, beech, and chestnut. In cultivation, they grow on supplemented hardwood sawdust blocks or inoculated logs. The Lykyn shiitake mushroom growing kit uses a hardwood sawdust block that replicates the natural substrate in a compact indoor format.\u003c\/p\u003e\n\n\u003ch3\u003eCan you eat shiitake mushrooms raw\u003c\/h3\u003e\n\u003cp\u003eShiitake mushrooms are best cooked before eating. Raw shiitake contain lentinan, which can cause a skin reaction called shiitake dermatitis in some people. Cooking breaks down this compound and improves digestibility. Sauteing, roasting, or adding shiitake to soups brings out their rich umami flavor.\u003c\/p\u003e\n\n\u003ch3\u003eHow to clean shiitake mushrooms\u003c\/h3\u003e\n\u003cp\u003eClean shiitake mushrooms by gently wiping each cap with a damp cloth or soft brush. Avoid soaking shiitake in water, as they absorb moisture quickly and become soggy. Trim the woody stems before cooking. Freshly harvested shiitake from a Lykyn fruiting block are naturally clean and require minimal preparation compared to store-bought or wild-foraged mushrooms.\u003c\/p\u003e\n\n\u003ch3\u003eWill the app stop working if Lykyn shuts down?\u003c\/h3\u003e\n\u003cp\u003eNo. Your chamber runs the Shiitake preset on-board after initial setup. Wi-Fi or Lykyn cloud downtime does not stop your grow.\u003c\/p\u003e\n\n\u003ch3\u003eWhere does the Shiitake grow kit ship from?\u003c\/h3\u003e\n\u003cp\u003eShips from our US warehouse in California within 48 hours. No pre-orders, no waitlist.\u003c\/p\u003e\n\n\u003ch3\u003eWhat happens if the block is contaminated on arrival?\u003c\/h3\u003e\n\u003cp\u003e3-month block viability guarantee. Email support@lykyn.com with a photo and we ship a replacement - no return required.\u003c\/p\u003e\n\n\u003ch2\u003eWhy growers trust Lykyn for shiitake mushrooms\u003c\/h2\u003e\n\u003cp\u003eLykyn is a smart indoor growing company that pairs colonized mushroom fruiting blocks with app-controlled grow chambers. The Lykyn Smart Grow Chamber automates humidity, airflow, and contamination prevention, so you spend less time misting and more time harvesting. Every Lykyn shiitake mushroom growing kit uses a fully colonized 5 lb hardwood block inspected before shipping. Lykyn is designed in California and ships from the United States.\u003c\/p\u003e","brand":"Lykyn","offers":[{"title":"Default Title","offer_id":42051526688823,"sku":null,"price":25.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0558\/2661\/2279\/files\/Shiitake-Mushroom-Block-02.jpg?v=1770669645","url":"https:\/\/lykyn.com\/en-de\/products\/shiitake-mushroom-growing-kit","provider":"Lykyn","version":"1.0","type":"link"}