Virginia Cooperative ExtensionRelf, DianeMadsen, R. PeterSchwab, Judith L.Steeves, ElissaNathan, Virginia2015-02-092015-02-091990-07http://hdl.handle.net/10919/51319517 pagesapplication/pdfen-USVirginia Cooperative Extension materials are available for public use, re-print, or citation without further permission, provided the use includes credit to the author and to Virginia Cooperative Extension, Virginia Tech, and Virginia State University.LD5655 .A762Gardening -- Virginia -- Handbooks, manuals, etc.Extension publication22949149