Eighty-eight American elms now line the long block of Pennsylvania Avenue in front of the White House. Even in their youthful state, and awaiting spring leaf growth, these trees symbolize the ...

American elm (Ulmus americana) is a member of the Ulmaceae family, a group that includes 16 genera and approximately 150 species. Also known as white elm, ... This spring, the Harward Center ...

Possibly, if the American elm is given a head start, experts say. The iconic, ... Although spring planting season is short in Vermont, cautious optimism is in the air.

In 2010, the 217-year-old American elm known as Herbie, in Yarmouth — the largest U. americana in New England at the time, apparently, at 110 feet tall and 94 inches across the widest point of ...

American elm tree on Old South Street, Northampton, MA (October 2019). ... Prodigious sheets of elm bark were peeled in spring and early summer and then anchored flat to bake in the sun.

Dutch elm disease has been reported back in Denver after more than a decade of its absence. The Denver forestry office discovered the disease last month in the old American elms along 17th Avenue ...

The Chinese or Lacebark elm tree lacks the stateliness and large green leaves of the American elm, ... The little green flowers in spring are insignificant, turn into tiny samaras, winged ...

The wild elm population is represented by saplings grown from wild American elm seed collected from Corps sites near Spring Valley, Wisconsin, and La Crescent, Minnesota, and a Forest Service site ...

How to spot Dutch elm disease and what the city of Denver is doing about it 02:38. One of the most destructive tree diseases is back in Denver. Dutch elm disease ravaged the urban canopy in the ...

Since the Siberian elm is non-native and appears to have resistance to the disease, it has been used to cross with the American elm (U. americana) in order to produce an American elm-appearing hybrid ...

Don't miss the big stories. Like us on Facebook. How does a tree grow? It slips. When does a trip become “slippery”? For the American elm and many regional leaf-bearing trees, they do it once a year, ...