Looking for the OutGrow® mushroom supply store? Shop at out-grow.com →

OutGrow Mushrooms — Community Hub

The Mushroom Growing Community Hub by OutGrow®

Free cultivation guides, species profiles, and community resources — powered by OutGrow®, the mushroom growing supply company trusted by growers since 2009.

Were you looking for the OutGrow® mushroom supply store?

This page is a community resource hub for mushroom growers and enthusiasts. If you were searching for mushroom growing supplies — liquid cultures, substrates, grain spawn, or grow kits — you want our main store at out-grow.com.

→ Shop Mushroom Supplies at out-grow.com

Professional Mycologists Serving the Mushroom Growing Community Since 2009

OutGrow® is a professional mycology supply company based in McConnell, Illinois. Founded by Mike Wiberg — a mycologist with over 20 years of hands-on cultivation experience — OutGrow holds a USDA culture collection permit covering 339+ species and has been cited in peer-reviewed mycological research.

Why We Built This Community Hub

OutGrowMushrooms.com is our community space — a place to connect with growers, foragers, researchers, and educators who share our passion for fungi, and to share free educational resources with anyone who wants to learn.

Where to Buy Mushroom Growing Supplies

Our full catalog of liquid cultures, substrates, grain spawn, grow bags, and cultivation supplies lives at out-grow.com — one of the largest mushroom supply stores online.

300+Culture species
15+Years in business
2009Founded
Fresh mushrooms grown with OutGrow supplies

Free Mushroom Growing Resources for Every Skill Level

From beginner cultivation guides to advanced species profiles — everything below is free and written by our mycology team with 20+ years of hands-on experience.

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How to Grow Mushrooms — Complete Step-by-Step Guide

Substrate prep, inoculation, colonization, fruiting conditions, and harvesting. Covers beginner to advanced techniques.

Read the growing guide →
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Mushroom Species Identification & Cultivation Profiles

Detailed profiles on hundreds of species — identification features, cultivation requirements, substrate preferences, and ecological notes.

Browse species profiles →
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Mushroom Cultivation Blog — Tips, Techniques & Guides

Practical articles on substrates, inoculation, contamination prevention, fruiting chamber setup, and harvesting — updated regularly.

Read the blog →
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Mushroom Liquid Cultures — 300+ Species Available

The largest selection of mushroom liquid culture syringes online. Gourmet, medicinal, exotic, and rare species — prepared fresh in our lab.

Browse liquid cultures →
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Sterilized Mushroom Substrates & Grain Spawn

Ready-to-inoculate grain spawn bags, all-in-one grow bags, pasteurized bulk substrate, and wood-based substrate — prepared fresh in our lab.

Shop substrates →

Mushroom Growing FAQ & Expert Support

Answers to the most common mushroom cultivation questions — contamination, inoculation ratios, fruiting conditions, substrate selection, and more.

Get answers →

Follow OutGrow Mushrooms in the community

Get in Touch with OutGrow Mushrooms

Whether you have a link exchange proposal, a collaboration idea, a mushroom cultivation question, or just want to connect — we're happy to hear from you.

Store & Order Questions

For order status, shipping, or product questions please visit the OutGrow® store contact page directly.

Community & Partnerships

For link exchanges, collaborations, and community inquiries use the form here or email us directly.

📍 McConnell, Illinois