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    Chestnut Mushroom Grow Kit

    $29.99
    $24.95
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    Chestnut Ready-to-Fruit Mushroom Grow Kit

    Grow distinctive Chestnut mushrooms at home with a fully colonized ready-to-fruit block from Redwood Mushroom Supply. Chestnut mushrooms are valued for their golden-brown textured caps, long edible stems, crisp bite, and nutty savory flavor.

    Chestnut is a cooler-growing gourmet variety that generally requires more patience than fast-fruiting oyster mushrooms. For best results, make one large diagonal slit across a broad face of the bag and fruit at 55–65°F with 70–85% humidity, indirect light, and steady fresh air.

    Chestnut is naturally slower to pin. A second flush is possible and can be productive, but timing varies and additional flushes are not guaranteed.

    Why You'll Love Chestnut Mushrooms

    🌰 Beautiful Golden-Brown Clusters — Textured caps and slender stems make Chestnut mushrooms visually distinctive.
    🥢 Crisp, Fully Edible Stems — The stems keep a pleasant bite when cooked, giving you more usable mushroom with little trimming waste.
    🍽 Nutty, Savory Flavor — Excellent in stir-fries, soups, noodles, pasta, risotto, and sautéed dishes.
    ❄️ Cool-Season Gourmet Variety — Performs best in cool, stable fruiting conditions.
    🌱 Fully Colonized & Ready to Fruit — Substrate preparation and incubation are already complete.
    💧 Spray Bottle Included — Every kit includes a spray bottle for humidity management.
    ♻️ Second Flush Possible — A second flush can be productive, but timing varies and is not guaranteed.

    Species: Pholiota adiposa
    Weight: ~5 Pounds
    Fruiting Style: One large diagonal slit across a broad face of the bag
    Temperature Range: 55–65°F
    Humidity: 70–85%
    Fresh Air: Steady fresh-air exchange; avoid stagnant air and direct fan blast
    Expected Timing: Pins commonly appear about 12–25 days after opening
    Difficulty Level: Intermediate

    Product Details

    What Makes Chestnut Mushrooms Special

    Chestnut mushrooms (Pholiota adiposa) form dense clusters of golden-brown mushrooms with textured caps and long edible stems. They are known for a crisp texture and nutty, savory flavor that holds up well in cooking.

    A Slower, Cool-Growing Variety

    Chestnut is slower to pin than most oyster mushrooms. Stable cool temperatures, moderate-to-high humidity, indirect light, and steady fresh air are more important than trying to force faster growth.

    Second Flush

    After the first harvest, the current RMS method is to tape the first slit closed, turn the block over, and make a new diagonal slit on the opposite broad face. A second flush may take up to 4 weeks. Do not use a routine 24-hour soak as the standard method.

    Instructions

    How to Use Your Chestnut Grow Kit

    1. Remove the grow kit from the RMS cardboard shipping box and keep the block inside its plastic grow bag.
    2. Wash your hands or wear clean gloves.
    3. Choose one broad face of the bag and use a clean knife to make one large diagonal slit across the front of the block. It is okay if the knife lightly enters the surface of the block.
    4. Fold the loose top of the bag down and gently press out excess air so the plastic sits closer to the block.
    5. Place the block so the cut faces outward or slightly upward.
    6. For countertop growing, place the block on a clean tray in a cool room with indirect light. If the room is dry, loosely cover the kit with a clean plastic bag as a DIY humidity tent.
    7. For an automated grow tent, aim for 55–65°F, 70–85% humidity, 8–12 hours of indirect or supplemental light, and steady fresh-air exchange without direct fan blast.
    8. Avoid keeping humidity above about 85% for long periods. Excessively wet conditions can increase bacterial or mold problems.
    9. Harvest while the cap edges are still slightly curled downward, before the caps become fully flattened.

    Second Flush

    1. Remove leftover mushroom tissue from the first opening.
    2. Tape the original diagonal slit closed.
    3. Turn the block over.
    4. Make a new diagonal slit on the opposite broad face.
    5. Return the block to 55–65°F, 70–85% humidity, indirect light, and steady fresh air.
    6. Allow time for the next flush. A second flush may take up to 4 weeks.

    Do not routinely soak the Chestnut block for 24 hours between flushes.

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    Chestnut Mushroom Grow Kit

    $29.99
    $24.95