Grifola frondosa Fruiting Temp: 55-65° F Fruiting Humidity: 85%-90% Includes 12ml liquid culture syringe + sterile needle Recommended use: Use the syringe to inoculate your own liquid culture media to expand the mycelium so that you may have many trials. Storage: Can be left at room temperature for up to 6 months, and refrigerated for longer than 1 year.