JAMESTOWN — Cornell Cooperative Extension of Chautauqua County Master Gardeners present the final Evening in the Garden on Sept. 18 at 6 p.m. at the Demonstration Garden, Frank Bratt Agriculture Center, 3542 Turner Road, Jamestown. As the gardening season winds down, the topics for the September Evening in the Garden will be “preparing the vegetable garden for winter” and “saving seeds.” The master gardeners will also be on hand to answer any gardening questions about starting their garden next spring.