Chopped Straw Out-Grow's finely cut wheat straw is a horticultural-grade substrate designed for reliable mushroom cultivation across a wide range of species and techniques. The fine cut increases surface area compared to long-cut straw, promoting faster mycelium colonization and more uniform substrate hydration throughout the bag. Each 8-quart bag provides enough substrate for multiple cultivation runs, making it well suited for both beginners establishing their first grows and experienced cultivators running consistent production cycles. Wheat straw's naturally high cellulose content makes it a preferred food source for gourmet species including oyster, shiitake, and lion's mane. Its structure supports excellent moisture retention, creating stable fruiting conditions without excessive water management. To prepare, pasteurize in water held between 160-180°F for 1-2 hours, allow to cool, then inoculate with your chosen spawn.
