Links to some interesting and informative sites:

Pennsylvania Heartland Herb Society

a unit of the Herb Society of America

The Herb Society of America:                       www.herbsociety.org

Units of the Herb Society of America           www.herbsociety.org/links

National Arboretum                                        www.usna.usda.gov

Natural Resources Conservation Service   www.plants.usda.gov

Pennsylvania Horticultural Society               www.pennsylvaniahorticulturalsociety.org

Berks County Horticulture Society                www.berkshortclub.org