A Cherokee County greenhouse business known nationally for its poinsettias and other plants was named Alabama’s Farm of Distinction April 4 in Birmingham. Hank and Shelia Richardson of Dixie Green Inc. received more than $15,000 in prizes and will represent Alabama in the Swisher Sweets/Sunbelt Expo Southeastern Farmer of the Year contest at the Sunbelt Ag Expo Oct. 15-17. Hank …