Getting your Trinity Audio player ready... 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 ...

There is a substance oozing from the trunk of my elm tree. What is this and what should I do to solve this problem? Your tree appears to have slime flux, which is a very common bacterial disease that ...

For more than a thousand years in eastern North America, anyone who wanted to build a house or replace a roof, or maybe just needed a few storage bins, a canoe, and a snow shovel, knew where to shop.

From her second-story bedroom window, Judy Steer used to wake up to an elm tree in the morning and go to sleep with it at night. She watched the moonlight shimmer through its branches in the darkness, ...