The Garfield Park Conservatory is now showing their 2017 Flower Show Spring Training. It incorporates icons of Wrigley Field! Mixed in, you can find a few foul poles, iconic ivy-covered walls, and ‘W’ win flags. The show opened February 18th and will run through May 14 at 5 p.m. The Garfield Park Conservatory is free and open to the public every day. 300 N. Central Park Avenue.