No! North Spore’s Spray & Grow Kits are beginner-friendly mushroom grow kits that let you grow fresh, gourmet mushrooms at home. Just open the kit, spray with water, and watch the mushrooms grow – no special equipment or experience needed.

Each kit contains a pre-inoculated block of mushroom substrate. Simply open the kit, mist with water a few times a day, and mushrooms start to grow within 1–2 weeks.

They’re perfect for beginners, foodies, gardeners, and anyone interested in home-growing mushrooms. They also make great gifts.

YES! North Spore offers a 100% Guaranteed to Grow promise. If you follow the simple instructions and the kit doesn’t grow, you can get a replacement or refund from North Spore. https://northspore.com/pages/replacement-policy

Kits should be started soon after delivery for best results, but can be stored for a short time.

LION'S MANE, BLUE oyster & GOLDEN OYSTER
Store in a cool dry place, out of direct sunlight, for up to 3 months

PINK OYSTER
DO NOT REFRIGERATE! Store at room temperature (above 60°F), out of direct sunlight, for up to 3 months

It’s not mold, its mycelium! Each kit includes an amended sawdust block fully colonized with mushroom mycelium. It may appear covered with a soft, white, mold-like substance - that's the mushroom mycelium! It is completely normal. The mycelium of some species is more prominent than others.

Every spray & grow box contains substrate, instructions and a spray bottle. The kit includes an amended sandust block fully colonized with mushroom mycelium. USDA Certified Organic, the spawn used in these mushroom kits is grown on organic grain and made with organic cultures from North spore’s culture bank. The kits are handmade from a blend of non-GMO woods and supplements from farms and forests in New England and North America.

Once you've started your mushroom kit, the three things you need to focus on are hydration and air flow and light. Mushrooms need a humid environment, some oxygen and natural light to grow well and develop their rich hues. Stringy mushrooms want more air, dry mushrooms need more humidity, and pale mushrooms need light or are a bit past prime!

Make sure you're spraying them regularly and add a humidity tent if they could use some extra moisture. It's best to keep them out of the cupboard or closet. They make fantastic centerpieces to a dining table or as a feature on your kitchen counter. That way they get a little dappled sun, some gentle air circulation, and you can dote on them at every coffee break.

Once activated, your kit should start pinning within 6-10 days. From there, it usually only takes 4-5 days for your mushroom kit to produce it's first full flush! When you start to see baby mushrooms form (pinning), you can remove the bag and keep misting the block. Or, you can keep just leave it in the box and water daily.

You can download the instructions here.

Tower Gardens and Mushroom Kits are shipped from the Warehouse in Tennessee and the seedlings, pesticides and accessories we stock are shipped from our farm in Florida. Depending on what you need to purchase, you may need to place two separate orders.

Shipping on Spray and Grow mushroom Kits is calculated at checkout.

Spray and Grow Mushroom Kits usually arrive 3-5 business days after leaving the Tower Garden warehouse.