Believe it or not, the closest relative to the whale is the Hippopotamus. What does this have to do with tree dropping leaves? Over time, animals and plants adapt to environmental change or to take advantage of an opportunity to better thrive. A great example of biological advantage is when the Pakicetus, an amphibious mammal that lived 47 million years, evolved into the Ambulocetus...read more
Walking along South High Street from Louisiana Avenue to Alameda Avenue on the east side to Washington Park in Denver will show you that the arbor scape is in transition. About 25 percent of the trees have been planted in the last 10 years. One of the more popular newly planted trees is the Norway Maple. The Norway Maple is originally from Europe...read more
Kids let their parents know that there are Horse Chestnut trees in their neighborhood two ways. Stepping on a spiny horse chestnut seedpod barefoot is a right-of-passage for kids growing up in Denver. After the tears dry up, some wonder what is inside those thorny seedpods and bring home colorful shinny brown chestnut seeds...read more
Sometimes the weather in Denver is pretty amazing. Denver had a warm and sunny Saturday and four inches of snow between Sunday through Monday. If it had snowed more, the tree damage across the city would have been significant because the deciduous trees had leafed out. Heavy snows collects on the leafs and break branches. The best way to protect trees from snow storm damage...read more
The Ailanthus altissima is misnamed the ‘Tree of Heaven’. Instead, its name should be the “Tree from Hell”. Some people call it a Chinese sumac since it was imported from China to Europe the 1700s. The Ailanthus is tough and tolerant to pollution. It was brought to Philadelphia in the late 1700s.
Ailanthus tree trimming and removal jobs are more difficult because the tree’s limbs are dense, heavy, and brittle. The trees constantly have to be trimmed each year since they grow so fast. The Ailanthus is considered a trash tree since it grows fast, spouts everywhere, and stinks to high heaven in the spring. This is a big price to pay for fast growth and quick shade...read more