A shiitake mushroom workshop will be held at 5 p.m., Thursday, Feb. 12, at the Letcher County Extension office off the Whitesburg Bypass at Stone Avenue and Extension Drive. The cost is $5. Those attending should bring fresh hardwood no more than two weeks old. Logs should be at least 10 inches in diameter by four feet long, but nothing larger than 18 inches in diameter. For more information, call Shad J. Baker at (606) 633-2362 or email Shad.Baker@uky.edu.