: We encourage beginning gardeners to attend! Master Gardeners are members of the local community who take an active interest in growing flowers, vegetables, fruits, shrubs, trees and lawns. Master Gardener trainees attend 40 hours of classes taught by Iowa State University Extension staff and specialists in topics ranging from lawn care, flower and vegetable gardening, ornamental trees and shrubs, fruit crops, and houseplants to insect, disease, and weed control, soil and plant nutrition, and pesticide safety. The program will be held on Tuesday evenings (and three Thursday evenings), dates are September 16 thru November 4. The classes will be held at 2023 South Federal Ave., Mason City, from 6:30 to 9:30 pm. There will be two options to attend workshops on the ISU campus (one campus session is required). The cost for the program is $195. Registration deadline is September 5 to avoid $25 late fee.