The Premier Mushroom Substrate Source!
Monster Mushroom's premium mushroom substrates simplify mushroom growing at home and ensure rewarding results. We carefully formulate each blend to provide the optimal nutrient balance, promoting vigorous mushroom growth and bountiful harvests.
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Mushroom Grain Spawn & Substrate Grow Pack
$69.00 Add to cart -
All-in-One Mushroom Grow Bag 3lb
$24.99 Add to cart -
Mushroom Bundle: 3lb All-in-One Mushroom Grow Bag & Spores
$40.00 Select options This product has multiple variants. The options may be chosen on the product page -
Sterilized Mushroom Fruiting Substrate Bag 5lb
$30.00 Add to cart -
Sterilized Mushroom Fruiting Substrate Bag 10lb
$45.00 Add to cart
Check out our How-To videos, or contact us if you have questions—we're here to help.
