Pasteurized Wheat Straw Mushroom Substrate 5 lb Grow Bag for Oyster Mushrooms - Out-Grow Quality Bulk Substrate

Grow mushrooms with ease using Out-Grow’s Pasteurized Wheat Straw Substrate, a high-quality bulk substrate ideal for oyster mushrooms and other straw-loving species. This 5-pound bag of chopped, cleaned, and pasteurized wheat straw provides an airy, moisture-retaining base that promotes fast mycelium colonization and high-yielding flushes.

• ? Includes 1 x 5-pound bag – Prepped and ready for use.
• ? Pasteurized & Contaminant-Free – Heat-treated at 160°F for 3 hours to eliminate harmful bacteria while preserving beneficial microbes.
• ? Easy to Use – Simply mix in colonized grain spawn, reseal, and let nature do the rest.
• ? Versatile Fruiting Options – Grow directly in the mushroom grow bag or transfer to buckets, trays, or other containers.
• ? Long Shelf Life – Stays fresh for over 30 days without refrigeration.

Common Name: Wheat Straw Mushroom Substrate
Scientific Name: Triticum spp.
Sunlight: Indirect light
Watering: Maintain moisture without saturation
Soil: Not applicable; substrate-based
Hardiness Zones: Not applicable
Growth Habit: Mycelium colonization leading to fruiting bodies
Format: 5 lb grow bag