Research indicates that spending time in green areas can reduce stress, alleviate anxiety, and enhance mood, thereby promoting the overall mental well-being of city residents.
It’s also just as beneficial for the tree it- self as it is for the surrounding cityscape. “Having a solid understanding of proper pruning cuts, knowing what time of year to do that, understanding the species, what it can handle when it comes to pruning,” Scarborough explained.
The key is to balance ecological bene- fits with practical urban needs.
Scarborough says that one of the most pressing negatives of going non-native is some species’ tenden- cies to be severely aggressive, taking over the space. “I had a professor years ago that said non-native means invasive,” he ex- plained. “It’s a good warning of why you should stick to native species.” Non-native tree species may also end up doing more harm than good to local ecosystems. “It could have a detrimental effect on local wildlife or just no effect, whereas a native species might have a positive effect on local wildlife,” Scarborough said. “So, I always think native species is the route to go first.” There are exceptions to the rule, though. For example, non-native tree species may be necessary in highly altered ur- ban environments where conditions do not favor native species.
Ensuring Strong Roots for Urban Trees
Urban environments pose several chal- lenges that can impede tree growth and survival. Each issue requires spe- cific strategies to ensure that urban trees can thrive. One of the most common obstacles faced in urban tree planting is limited planting space due to infrastructure, heat stress, pollution damage, and soil compaction. Of course, the usual plant health care practices — such as spacing, staking, mulching, pest management, and more — are crucial to ensuring a successful urban landscape.
“Those all need to be taken into account.”
THE BOTTOM LINE Urban tree planting is a complex, yet rewarding endeavor that significantly contributes to the environmental, economic, and social fabric of cities. The strategic incorporation of trees into urban planning not only en- hances the beauty and functionality of city landscapes, but also fosters a resilient urban ecosystem for future generations. By choosing appropriate tree species and adhering to tree care industry standards and best practices, we can overcome the inherent challenges of urban environments.
Just as crucial, if not more, is pruning.
Pruning is necessary to remove un- healthy branches, promote a tree’s structure and aesthetics, and prevent conflicts with urban infrastructure.
14 | ArborTIMES Fall 2024
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