Left Continue shopping
Your Order

You have no items in your cart

You might like
Hands holding a vibrant assortment of fresh mushrooms, including pink oyster, lion's mane, and other varieties, set against a natural outdoor background. The image symbolizes the diversity and quality of cultivated mushrooms.

Discover the Wonderful World of Mushrooms with Out Grow

Discover the Wonderful Worlds of Mushrooms with OutGrow. Grow your own food at home with gourmet mushroom cultures, premium mushroom substrates and mushroom supplies.

A large, clear plastic bag filled with sterilized grain substrate, placed on a marble table with more grain spread around the base. The image highlights the ready-to-use mushroom substrate designed for inoculation.

Sterilized and Pasteurized Mushroom Substrates

Premium mushrooms substrates ready to use. We do the work, so you don’t have to.

A syringe filled with liquid culture next to a petri dish containing a growing mushroom mycelium, placed on a sterile, light blue surface. The image highlights mushroom culture cultivation for laboratory and commercial use.

Choose from hundreds of mushroom different cultures, mushroom spawn and more!

Out Grow offers hundreds of different mushroom cultures for you to choose from.

Discover OutGrow®: Your Source for Mushroom Cultivation Supplies

Welcome to OutGrow® LLC, where we pride ourselves on being the foremost authority in providing high-quality mushroom substrates, growing media, and comprehensive mushroom cultivation supplies. Established in 2009, OutGrow® has evolved into the go-to destination for enthusiasts and professionals alike, seeking not just products but solutions that empower and enhance the mushroom cultivation journey.

Become a VIP from Day One:

Unlock Exclusive Rewards with Out Grow

  • Start with a Bonus: Join our Loyalty Rewards Program now and kick off with 500 points on us. It's our way of welcoming you to the family.

  • More Points, More Joy: Earn 15 points for every dollar you spend. The more you engage, the more you earn— from shopping to reviews and referrals.

  • Level Up Your Experience: Climb through our tiers to unlock even greater rewards. Each level brings you closer to exclusive perks and additional points.

A Thank You for Growing with Us: Our Loyalty Program is our handshake to you, celebrating our journey together. Sign up today and transform your purchases into rewards.

THE SUSTAINABILITY OF MUSHROOMS: HEALTHY FOR PEOPLE AND THE PLANET

Mushrooms are incredible organisms; they grow efficiently and can be used for so many different things, from nourishment to a substitution for plastic.

HOW TO MAKE A SELF HEALING INJECTOR PORT

This is an easy and fast way to make a self healing injector port on our sterilized grain bags.First you will need to gather your materials.