but many of these trees don’t have the shape and attractive characteristics of pure American elms. Furthermore, even though hybrids can tolerate Dutch elm disease, most of them are not truly resistant ...

Elm trees grow big and beautiful, with tree branches that start tall on the ... First, it's a little smaller than the typical American elm, making it more manageable. A Siberian elm grows up ...

Likely originating in Asia, Dutch elm disease was first observed in the U.S. in the 1930s. Since then the disease has killed billions of elms around the United States and abroad, Held said. Spread by ...