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The Original Rye Spawn Bags

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(260 Reviews)
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(New & Improved Recipe!)   Midwest Grow Kit's Organic Rye Berry spawn bags are a true classic for mushroom growing since the 70's. Rye is notoriously known for being a difficult grain to...

(New & Improved Recipe!)   Midwest Grow Kit's Organic Rye Berry spawn bags are a true classic for mushroom growing since the 70's. Rye is notoriously known for being a difficult grain to prepare due to its multiple shell layers and ability to protect itself from full sterilization. On the flip-side, Rye grain has one of the highest nitrogen levels in the grain family, which helps prolong your grow and achieve better 2nd and 3rd flushes. You’ll see many vendors selling & promoting grain...

Premium 5-Grain Spawn Bags

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(440 Reviews)
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(New & Improved Recipe!)  Over 10 years ago we introduced the new organic 5-Grain Spawn Bags. We are constantly growing and testing these bags and making sure what you buy today is the best...

(New & Improved Recipe!)  Over 10 years ago we introduced the new organic 5-Grain Spawn Bags. We are constantly growing and testing these bags and making sure what you buy today is the best they have ever been. In March of 2022 we improved our bags again by using only the best organic food grade grain available and updating many parts of the production process including: Super clean organic cereal grains eliminate residues and starches. New grain hydrating process and drying stations to...

All-in-One Mushroom Grow Bag (4 lbs) for Manure Loving Mushrooms

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(173 Reviews)
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If you're short on space but still want to cultivate your favorite mushrooms, our All-in-One Mushroom Grow Bags are the perfect solution! With our innovative bags, you can experience the...

If you're short on space but still want to cultivate your favorite mushrooms, our All-in-One Mushroom Grow Bags are the perfect solution! With our innovative bags, you can experience the satisfaction of growing your own mushrooms without the need for tubs or greenhouses. Using our bags is simple: inject 5cc of your spores or liquid culture, wait 15-25 days for colonization, then break up the colonized grain and shake the bag. Once the bag re-colonizes, your mushrooms will start growing...

Deluxe Spawn Bag Growing and Casing Kit

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(99 Reviews)
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Midwest Grow Kit's Deluxe Spawn Bag Growing and Casing kit includes everything you need to start your Bulk spawn bag growing experience! Start by injecting your favorite spores in the spawn bags or...

Midwest Grow Kit's Deluxe Spawn Bag Growing and Casing kit includes everything you need to start your Bulk spawn bag growing experience! Start by injecting your favorite spores in the spawn bags or jars and incubate them for 3-4 weeks. Next, break them up after they are fully colonized and mix with the included casing mix. Allow to re-colonize for 7-10 days and then watch as it turns into a "field of shrooms" The combination of our specially formulated 5-Grain Spawn bags/jars, self-healing...

Assorted Mushroom Sticker Pack

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Who doesn't love free stickers? We never know who throws them out or who keeps them so now you can add them to your cart for $1.00 and then use a coupon code to subtract that $1.00 off. We are...

Who doesn't love free stickers? We never know who throws them out or who keeps them so now you can add them to your cart for $1.00 and then use a coupon code to subtract that $1.00 off. We are always adding new stickers every month or two. The picture is an example of what we currently have and may vary. We love funny or cool looking stickers so if you have an idea or illustration that would make a great sticker, please share! - Add this to your cart and receive 3-4 cool mushroom stickers!-...

Mushroom Squeeze Stress Toy (Assorted Colors)

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(3 Reviews)
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Squeeze this cute little mushroom toy and watch the stress melt away! We know growing can stress you out at times, so relax and squeeze your new little friend. Don't stress over the price because...

Squeeze this cute little mushroom toy and watch the stress melt away! We know growing can stress you out at times, so relax and squeeze your new little friend. Don't stress over the price because its ONLY $0.99 when you use the promo code below! Coupon code: STICKERS

Vintage Mushroom T-Shirt

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(8 Reviews)
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The return of our popular retro mushroom T-shirt! A favorite classic around here. This shirt is extremely soft and has a better fit than standard shirts. Features Super-Soft tri-blend...

The return of our popular retro mushroom T-shirt! A favorite classic around here. This shirt is extremely soft and has a better fit than standard shirts. Features Super-Soft tri-blend UnisexPre-ShrunkManufactured by Gilden or Port & COFits true to sizeAvailable in Small, Medium , Large (OUT OF STOCK), XL and XXL Example Fit: 170-185lb Male 5'11 with 34-36 waist. Large fits perfect More arriving soon! ...

Giggle Mushroom T-Shirt

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  We brought back our favorite 2016 shirt for a second term! (Although we have no political affiliation) American really needs a laugh right about now. This shirt is made by Bella+Canvas, a...

  We brought back our favorite 2016 shirt for a second term! (Although we have no political affiliation) American really needs a laugh right about now. This shirt is made by Bella+Canvas, a popular ultra soft blend of 90% cotton 10% polyester. Features Available in Small, Medium Large, XL, XXL and XXXLSuper-Soft Cotton/Poly blendFits true to size Example Fit: 170-175lb Male 5'10 with 34-36 waist. Medium fits athletic (Pictured), Large fits slightly looser. ...

Mushroom Spawn Bags

Midwest Grow Kits’s variety of mushroom spawn bags take mushroom growing to a whole other level. Each bag can produce the same as 8-10 substrate mushroom jars and they are the perfect add-on to any of our mushroom growing kits! Grab one of our all-in-one mushroom grow bags and get started today.

Mushroom spawn bags were once thought to be a more advanced method of growing, but we have designed our bags to be easier for beginners than any others we've seen and tested. All of our mushroom fruiting bags include a self-healing spore injector port. And if you choose our Deluxe Spawn Bag Growing and Casing Kit, you’ll get everything you need to start growing in bulk!?

Our mushroom substrate bags are capable of growing many exotic species of mushrooms. Review your country's laws and regulations regarding those exotic species. Midwest Grow Kits does not condone or recommend that anybody grow unless legally licensed by their local authorities.