FALLEN OAK MYCOLOGY

Organic mushrooms, cultures and grow supplies from deep in the heart of Texas…

Substrate Blocks
Lab Grade Extracts
Mushroom Growing supplies
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Grow Supplies
Fresh Mushrooms
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Mushroom Grain Spawn

Wholesale Substrate —Priced for Growing Farms

We supply farms with fully colonized, ready-to-fruit blocks delivered at scale—so you can save time and money on sterilization, get dependable yields, and grow your farm with confidence.

What You Get from Every Block:

✓ Fully colonized and Ready to Fruit - No Prep or guesswork— just cut and grow.

✓ Save Time, Labor & Overhead - Free your team from tedious bagging, prepping, and cleanup.

✓ Consistent Yields, Every Cycle - Cut out the guesswork so that you can sell and scale with confidence.

Blue Oyster mushrooms, gourmet mushrooms, organic mushrooms.
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Bulk Lion's Mane Mushrooms

Wholesale Fresh Mushrooms

USDA Organic | GAP Certified

We produce over 20,000 pounds of premium, certified organic mushrooms every week.

Our state-of-the-art facility and cold chain shipping ensure consistent quality and freshness for your customers.

Click the button below and somebody from our team will reach out to you ASAP.

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Outline drawing of two mushrooms with caps and gills.
Outline of a cluster of mushrooms with detailed gills, in white on a black background.
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Mushroom organic compost

Regenerative Compost, Delivered

Every week, Fallen Oak produces over 25,000 pounds of organic, nutrient-rich mushroom compost—a powerful catalyst for soil regeneration and ecological healing. This isn’t waste—it’s the living byproduct of our commitment to circular systems and regenerative agriculture.

Our compost is now available in a more impactful way: delivered directly to your farm in 10-yard trailer loads. Whether you're rebuilding tired soil, boosting biodiversity, or scaling sustainable practices, this service brings the full power of our compost straight to your land.

For smaller needs, we continue to offer free pick-up of up to 50 spent blocks on designated days.

This program is part of our deeper mission: to “Think Like a Mushroom”—to transform waste into life, cultivate resilience, and regenerate the ecosystems beneath our feet.

Ready to enrich your soil and steward a more sustainable future?

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Outline drawing of multiple mushrooms with gills, layered and overlapping.
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Why choose Fallen Oak?

Fallen Oak Mycology is a 25,000 square foot, state-of-the-art facility located just outside of Austin, TX. We specialize in growing organic, gourmet culinary mushrooms as well as pre-sterilized, lab grade growing supplies for home enthusiasts and small farms alike.

Our mushrooms are USDA organic and all grown in an MGAP certified facility. We’re capable of growing up to 20,000 pounds of mushrooms per week, and supply some of the largest grocery store chains in the nation.

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We’re proud to partner with some of the nation’s leading food retailers, trusted local produce distributors, and innovative startups redefining the future of food.

Whether supplying large-scale operations or boutique providers, we take pride in delivering the highest-quality gourmet mushrooms to customers who share our passion for fresh, sustainable ingredients.