Behind my house are four beautiful blue spruce pine trees. They are arranged in a snug north to south row, leaning and ...
There are several evergreen trees which you can grow if you have acidic soil. Among the top contenders are the Colorado blue spruce, the Canadian hemlock, and the Eastern white pine! The first ...
Volcanic eruptions and cold summers leave lasting marks in the wood of northern trees, unlocking the secrets of past climate extremes.