MONROE - Gardeners interested in learning how to better manage lawns, trees, shrubs or gardens and share that knowledge with others may register for the University of Wisconsin-Extension Master Gardener Level One training that will be offered in Monroe later this winter. Classes to learn more about horticulture and to become a UW-Extension Certified Master Gardener volunteer are being offered from 6 to 9 p.m. Tuesday from Feb. 21 to April 25 at the Green County UW-Extension office, 2841 6th St., Monroe. Two Saturday sessions, March 11 and May 6, also will be part of the training offered.