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Invasive Species Control

Wisconsin has its fair share of invasive species whether we take a look at insects or woody plants. The arborists at Tree Savvy are well-versed in identifying and managing these pests. 

An invasive species is not always problematic and may warrant control over complete removal. For example, Prickly Ash (Zanthoxylum americanum) produces spines (thorns) that are a nuisance when walking or working near them. They are an opportunistic species and may invade an area with an abundance of sunlight. However, they are a main source of food and cover for some insect and wildlife species such as our native Swallowtail butterflies and some bird species such as the Woodcock. 

For species such as Common Buckthorn (Rhamnus cathartica) and Bella Honeysuckle (Lonicera x bella), the large quantity of fruit they produce enables them to be introduced to new areas quickly through wildlife. These plants can quickly move into an area reducing light, water and nutrient availability to the more desired plant species. The problems that arise as a result of their infestation far surpass the benefits they provide for wildlife and should be handled as soon as they are positively identified. 

Invasive woody species are best controlled by removing the plants by digging them out of the ground or cutting down the plant and treating the cuts with an herbicide. Our arborists are licensed to apply herbicides on our client’s properties and ensure thorough removal of these species. 

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