Mushroom growing is simple. we make the hard part done for you.
Simple Substrate provides clean, consistent, ready-to-use mushroom growing supplies for grow stores, hydro shops, and local partners.
Why partners work with us
✔ Locally produced
✔ Sterilized & ready to use
✔ Consistent hydration & recipes
✔ Beginner-friendly, grower-approved
✔ Fast local support & restocks
We focus on doing a few things extremely well so your customers get better results and you get repeat buyers.
🌱 All-In-One Grow Bags
The easiest way to grow mushrooms.
Sterilized grain + sterilized substrate in one bag.
Perfect for first-time growers and impulse buyers.
• Simple
• Clean
• High success rate
• Strong retail product
🌾 Sterilized Grain Bags
Ready-to-inoculate grain spawn.
• Consistent hydration
• Lab-grade sterilization
• Reliable colonization
• Beginner & bulk friendly
🍄 Premium Substrate Bags
CVG-based and specialty blends.
• Even field capacity
• Clean and responsive
• Monotubs, blocks, bulk grows
We partner with:
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Hydroponic shops
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Grow stores
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Garden centers
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Educators & clubs
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Local farms
We offer:
✔ Wholesale pricing tiers
✔ Repeat supply
✔ Local delivery options
✔ In-store education support
✔ Custom product runs (as we scale)