The Mason County FFA Greenhouse is now open! It is open Monday-Friday from 9:00 am. to 2:00 pm. On Saturdays, it is open from 9:00 am to 3:00 pm, and they are closed on Sundays. Active FFA Alumni and School Employees with an ID badge get a 15% discount! The greenhouse is located on 725 Clarks Run Rd. Maysville, KY, 41056.