The American Elm Ulmus americana cultivar ‘Valley Forge’ was raised by the Agricultural Research Service in Maryland. The tree was released to wholesale nurseries without patent restrictions by the U. S. National Arboretum in 1995 after proving to have a resistance to Dutch elm disease.
thumbnail
origin
Maryland, Agricultural Research Service, United States
This page contains content from the copyrighted Wikipedia article "Ulmus americana ‘Valley Forge’"; that content is used under the GNU Free Documentation License (GFDL). You may redistribute it, verbatim or modified, providing that you comply with the terms of the GFDL.
