09 Apr 2014 / by tuckerdog / Favorite Trees

Surprising Tree Count on South High Street

denver urban forest

The impression a person gets driving tens block down South High Street in Washington Park in Denver is it lined with large trees. But, when the street is walked on foot, it is surprising how many new trees have been planted over the last 10-20 years. It is human nature to notice large things, but the tree landscape along South High Street is in transition.

There are 270 trees on both sides of the public-right-of-way on South High Street between Louisiana Avenue to Alameda Avenue. Small saplings are not counted. The three largest trees seen are two American Elm trees and one oak tree on the east side of High Street. These trees are huge. The American Elm is spectacular because of its size and how its limbs interweave above the street. There are fifty-seven Silver Maples. The Silver Maples are between 75-100 years old. The trees are identified by their bark. No leaves had yet emerged.

Tree species found are:

Silver Maple – 57
Honey Locust – 23
Ash – 23
Oak – 21
American Elm – 13
Siberian Elm – 8
Catalpa – 3
Hackberry – 2
Sycamore – 1
Evergreen – 1

Forty five trees (17 percent) could not be identified since their leaves have not emerged.

What is interesting is seventy trees (25 percent) have been planted in the last 10-20 years. The public right-of-way is littered with small hills that show where large tree had been cut down years ago. It is assumed these legacy stumps were either American Elms or Silver Maples. Many American Elms were lost to the Dutch Elm disease. Silver Maples are susceptible to fungus rot. The good news is these trees were replaced with new plantings. The most common new tree planted is maple. These trees are most likely Norway and Sugar Maples since these two spices is recommend by the Colorado State Extension Service. Spring will have to come before all the maple tree varieties can be identified.

Planting a tree is a investment. Trees produce cool homes, increases curb appeal and adds value to the residence. Tree selection changes over time. Some trees that were popular 75 years ago are now out of favor. To get an expert opinion on tree selection, call us at (303) 378-8000 or email us at info@dlcarbor.com. Our certified arborist can help homeowners pick the right tree for their yard.

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