Mushroom Grow Bags

Grow mushrooms in a bag at home with our high-quality mushroom grow bags. We’ve perfected the formula for consistent results, hand-packing every grow bag to ensure that the grain spawn and compost don’t mix, ensuring that there’s no contamination risk. 

Start growing your favorite spores today with our all-in-one mushroom grow bags; discover below and receive free US shipping.

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What Our Customers Say

Let customers speak for us

from 210 reviews
Easy to use, high quality

The packaging and instructions make it easy to implement a successful growth environment.

JeffK
6 Pound All In One Mushroom Grow Bag
Best investment you can make

Best investment you can make.

Anonymous
Post Inoculation Contamination Insurance
Excellent Value!

Excellent Value! I got the post inoculation insurance, so I am sure to succeed.

Anonymous
Mushroom Grow Kit In A Bag MEGA BUNDLE
I am new at this and made a mistake on my order and called and talked to Andrew

I am new at this and made a mistake on my order and called and talked to Andrew. Even though it was my mistake, he took his time, listened, and explained things and took great care of me. Highly recommend!

Jeff B
MonoTub Mushroom Grow Kit
Great product, easy to follow instructions

Quick delivery, easy to follow instructions, quality product, everything needed to get started is included.

JeffK
Mini All In One Mushroom Grow Bag
Works great. Will only buy aio bags here!

With insurance you are pretty mush guaranteed a harvest.

William Fortune
Mushroom Grow Kit In A Bag MEGA BUNDLE
Aaron ordered

My items were delivered as ordered and ina timely fashion.

John Sears
2-Pack 6 Pound Mushroom Grow Kit In A Bag
Best bags

Had success my first grow with a potent batch using these grow bags, got a grow bag from another (local) company and it got contaminated and wasted all my time. I’ll stick to mushroom spawn store for my all-in-one grow bags !

Nick p
6 Pound All In One Mushroom Grow Bag
Great product

I received a boat package of Ryberry. It was very clean, I only needed to rinse it twice. It hydrated well and found no time after sterilization. The Rye is high quality, no broken or busted grains at all. No bugs, no sticks, thing.

Dallas Searcy
Dry Organic Rye Berries
Best Grow Bags I've ever used

The Mushroom Spawn store is amazing. They ship SUPER fast. I put in order on Sunday night and it was here on Wednesday. Very impressive. Drew, is super awesome and I like to work with him. I'm going to place another order very soon! Thank you MSS & Drew!

Christopher Wiley
Post Inoculation Contamination Insurance
So far so good!

Not much to tell I just received my bags and this is my first time with a psychology project. Will keep you informed. Thank you

Steve W.
Mushroom Grow Kit - 4 Pack - All In One Mushroom Grow Bags
Promises Made Promises Kept

Ordered, shipped same day.
No contamination.
Mycelium growth in 10 days.
I will definitely order again.

Harry Fanolis
6 Pound All In One Mushroom Grow Bag
Good

All is good. Repeat customer.

William Fortune
Post Inoculation Contamination Insurance

Great product! Bought multiple times.

William
All In One Mushroom Grow Bag Bundle 16 Count
Great Product

The easy way to grow. I bought a 16 pack. And I have repurchased.

William Fortune
All In One Mushroom Grow Bag Bundle 16 Count
Consistency Everytime - We ensure the grain and substrate are separated to facilitate easy monitoring and faster colonization. This is unlike many large suppliers, who mix the grain and substrate to create a homogeneous mixture.
Sealed Before Sterilizing - Through our proprietary process, we seal the bags before sterilization to ensure no contamination. Shelf-stable food products are made the same way, which guarantees product integrity.
Meticulous Attention To Detail - We hand-fill every bag, carefully packing the ingredients and neatly folding the bag to prevent premature mixing. We place these in a perfect-size box and protective liner bag for further protection.
Highest Quality Ingredients - We source local organic ingredients from trusted USA businesses, prioritizing freshness and quality. These are carefully prepared in-house to ensure consistency, purity, flavor, and nutritional value in every batch.
A Superior Result - We use temperature probes to carefully monitor the core bag temperature during sterilization to achieve and maintain the precise time and temperature targets needed for for consistent quality, safety, and reliability in every batch.
Consistency Everytime - We ensure the grain and substrate are separated to facilitate easy monitoring and faster colonization. This is unlike many large suppliers, who mix the grain and substrate to create a homogeneous mixture.

Premium Mushroom Grow Bags For Sale At Affordable Prices

At Mushroom Spawn Store, we supply a wide range of products designed to give you the best results possible. Our all-in-one bags feature pre-installed self-healing injector ports, validated .2 micron filter patches, and perfectly hydrated organic grains.

Customer satisfaction is our top priority, we take pride in having thousands of satisfied customers across the USA. With nearly 20 years of experience in mushroom cultivation, our knowledgeable and friendly team is on hand to guide you through every stage of the growing process, from setting up to harvesting.

You can feel confident in your mushroom cultivation journey with our products and expert support.

Contact us today!

We’ve created the perfect mushroom-growing product that’s guaranteed to give you superior results every single time. Made from the highest-quality organic and food-grade materials, our mushroom grow bags are designed to make your life as easy as possible.

Our products are designed for both beginners and experienced mycologists.

Standout features include:

  • Premium substrate blend formulated for dung-loving mushrooms.
  • Highly durable 10mm seal.
  • Stored in unicorn bags, which are made in the USA and far superior to Chinese-made bags, which are easily terrible and use unvalidated microns filter patches.
  • Validated .2 micron filter patch, allowing the mycelium to breathe while keeping contaminants out.
  • Self-healing injector ports create an easy injection of spores or liquid cultures.
  • Perfectly hydrated organic grain, separated from the mushroom substrate for a faster colonization process and easy monitoring. 

FAQs

The difference between the two is simply the size; all-in-one grow bags are ideal for beginners as they feature everything that is needed to get started on your mycology journey, including step-by-step instructions.

Yes, all our products at Mushroom Spawn Store are shipped in plain brown boxes, so you can safely and discreetly begin your mushroom cultivation journey.

Yes, we do! You can check our shipping page for further information.

The growth time for homegrown mushrooms usually ranges between 2-4 weeks from set-up. This time can vary depending on the specific conditions of your growing environment.

Our mushroom grow bags are suited for first-time growers, as well as mycology enthusiasts. They are a great way to get started in the fascinating world of mushrooms and reap the physical and mental health benefits in no time.

Yes! For orders over $50, you can choose to pay in 4 installments using ShopPay.