Introducing the King Blue Oyster Mushroom Grow Kit - your easiest ticket to savoring the delectable, nutty flavor of this rare mushroom! Our 5-pound kit, featuring our unique substrate and grain spawn blend, produces an impressive 2.5-3 pounds of delicious King Blue Oyster mushrooms, utilizing only first-generation mycelium. Perfect for beginners, simply follow the provided directions and watch your harvest thrive!

Discover these standout features:

  • Hassle-Free Cultivation: King Blue Oyster mushrooms are relatively simple to cultivate and don't demand extensive space or equipment. Our grow kit includes everything necessary for a successful yield, complete with step-by-step guidance and a pre-colonized substrate block with mushroom mycelium.
  • Flavorful and Nutrient-Rich: King Blue Oyster mushrooms offer a robust, earthy taste and are packed with nutrients. They provide an excellent source of protein, fiber, and various vitamins and minerals. With our grow kit, you can enjoy fresh, organic King Blue Oyster mushrooms right from your kitchen.
  • Eco-Friendly and Sustainable: Cultivating your own King Blue Oyster mushrooms is a fantastic way to reduce your carbon footprint and support sustainable farming. Our grow kits are made from recycled materials and use minimal resources to deliver fresh, organic mushrooms in the coziness of your own home.

    Retail: $34.99
    Price: $21.99
    You Save: $13.00 (37.2%)
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      Item #: KBL5
      Availability: In Stock
      Usually ships In 1 Day

      The King Blue Oyster Mushroom is known for its fast fruiting time and ease of maintenance, making it a popular choice for both novice and experienced growers. This variety can withstand cold temperatures, even as low as 55 degrees, and is frequently used in high-end gourmet cooking due to its delicate yet complex flavor. The King Blue Oyster, now on sale, has quickly become a favorite among mushroom growers, boasting a striking blue color and large fruiting bodies. With its super aggressive growth, the King Blue Oyster is one of the easiest strains to cultivate and can yield up to 3 pounds of mushrooms from a 5-pound grow kit. To use the kit, simply cut and mist the bag daily or place it in a clear tote with a small amount of water. The resulting mushrooms not only taste delicious but also offer health benefits and an impressive visual display.

      To get the best yield results with our gourmet mushroom grow kits, we recommend using one of our monotubs. Check them out here!

      You can also use one of our humidity domes. Find those here!

      **In stock, ready to ship while supplies last**

      • Fruiting Temperatures: 60-82 degrees
      • Light Cycle: 12 hours of light per day
      • Water Cycle: Mist 1-2 times per day using included ultra-fine pump mister
      • Average Yield: 2.5-3 pounds of mushrooms (wet weight)

      The King Blue Oyster Mushroom (Pleurotus eryngii) is a type of edible mushroom that is highly valued for its taste and texture. Here are some specifications and characteristics of this mushroom:

      • Appearance: The King Blue Oyster Mushroom has a large, fan-shaped cap that can range in color from gray to blue-gray. The cap can grow up to 8 inches in diameter and is attached to a short stem.
      • Taste and texture: The King Blue Oyster Mushroom has a rich, savory flavor that is often described as meaty or umami. It has a firm, chewy texture that is similar to that of meat, making it a popular ingredient in vegetarian and vegan dishes.
      • Nutritional value: The King Blue Oyster Mushroom is a good source of protein, dietary fiber, and vitamins B and C. It also contains minerals such as potassium, phosphorus, and calcium.
      • Culinary uses: The King Blue Oyster Mushroom is a versatile ingredient that can be used in a wide range of dishes, from soups and stews to pasta dishes and stir-fries. It pairs well with other savory flavors, such as garlic, onions, and soy sauce.
      • 5 pound colonized spawn bag
      • 2oz pump mister
      • Simple Instructions
      Overall Customer Rating of 4 Reviews:
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      Fast shipping, great packaging, beautiful mushrooms. I was happy with how quickly this kit fruited. Thank you so much for the great service and product! I absolutely will be ordering again.

      Blue King Oyster

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      You guys are awesome! These grow better than any other brand I have tried! Blue king Oyster's are the best tasting oyster ever! Simply amazing!


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      GIANT MUSHROOMS! rapid growth, very full healthy clusters. very satisfied.


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      My new favorite Mushroom! This grows much larger than the regular blue and has a better taste! No waiting like the King Oyster, it fruits amazingly fast!