10-11:30 a.m. – Perennials add year-to-year color and form to your gardens, whether you have sun, shade or a mixture of both. Topics include: soil preparation, planting perennials, dividing mature plants, watering, mulching and weed control, fertilizing, pinching and deadheading, end-of-season cleanup, selecting plants, and easily-grown varieties. Free and open to the public. Registration required by going to: http://gardeningbythespringsoct.eventbrite.com. Presented by North Fulton Master Gardeners, and hosted by Heritage Sandy Springs, 6110 Bluestone Rd., Sandy Springs, 30328.