Library to present free horticultural how-to workshop Deborah Kates will present a program on organic gardening at the Chester County Library on April 6. Longtime organic gardener Deborah Kates promises to unearth her best horticultural tips in a program at the Chester County Library in Exton entitled “Let’s Get Dirty!  Learn To Love Organic Gardening.” It will be held Saturday, April 6, from...