The 577 Foundation, 577 East Front Street, Perrysburg, is offering the following classes and events. Pre-registration is required for classes.For more information, additional classes or to make reservations, call 419-874-4174 or visit 577founda tion.org. A waitlist is available for all classes.SPECIAL EVENTS Plant SaleThe annual plant sale begins Saturday, May 4. 577’s horticulturists, Bennett…