Bill Johnson Community Activity Building, Roswell Area Park, 10495 Woodstock Rd, Roswell, GA. This class is the foundation for our Spring classes on growing and maintaining vegetables, perennials, shrubs, and roses. It provides an understanding of the science of soil and how to improve your soil emphasizing sustainable methods. It will cover the use of compost and mulch to improve and protect your soil. It includes a presentation on the benefits of worm composting and a demonstration of how to do it. Register online at www.roswellgov.com/register by creating an account or stop by the Bill Johnson Activity Building. When registering online, search for Activity 52020. If you have questions, call (770) 817-6670 or email cfuller@roswellgov.com. Presented by North Fulton Master Gardeners, a 501(c)3 organization whose mission is to provide horticultural education, service and inspiration in the North Fulton community.