Ellijay Mushrooms Share: Farms & MarketsAgricultural & Farm Supplier Visit Website Request Info View Trip 1971 Old Flat Branch Road Ellijay, GA 30540 (678) 570-6888 LinkedIn Facebook Twitter Instagram Hours: 9-3 About Map About The farm harvests the highest quality of Shiitake and Oyster mushrooms. We grow our mushrooms in greenhouses. The farm produces 4,000-5,000lbs per week with room to grow. Directions 1.9 miles once on Old Flat Branch rd on the left What's Nearby? Distance: 5 10 15 20 25 50 mi.