GREENWOOD Fiddlesticks Farms opens for its 19th season Saturday, Sept. 26, with the reveal of this year’s corn maze theme. The season runs through Nov. 21, with themed weekends including Grandparents Weekend, Bring Your Dog Weekend and Texas Tech Weekend. September and October hours are 10 a.m.-9 p.m. Saturdays and 1-6 p.m. Sundays. In November, the farm is open Saturdays from 1-6 p.m. and closed …