Address: PO Box 233, Olympia WA 98507
About Us / Provisions Mushroom Farm History: Provisions has carefully selected the choicest mushroom species and cultivates them on clean, organic substrates. We produce all of our mushroom mycelium in house, from laboratory to grow room. We use organic and indoor farming practices to ensure the quality and cleanliness of your food. No chemical herbicides or pesticides are used in the growing process.