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Is It a Big Deal to Cut Tree Roots?

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Trees on your property have extensive root systems that can go deep into the ground or remain close to the surface, depending on where they can obtain the most nutrients and moisture. Unfortunately, tree roots may interfere with your home’s foundation or landscape or create a tripping hazard. Exposed roots can also become damaged when mowing. Therefore, our Tri-Cities ISA-certified arborists at Promier Tree share on the blog today if it is a big deal to cut tree roots.

Will the tree die when the roots are cut?

Regrettably, there is no easy answer. Two of the most significant factors of the tree’s survival depend on its size and root location. For example, cutting very large roots and removing them may cause instability, increasing the risk of falling. Additionally, the tree may have a problem absorbing water and nutrients required for survival, depending on how the root is cut and how much remains. Our Johnson City ISA-Certified arborists explain that a disturbed root system drastically increases the tree’s death risk. Therefore, only cut tree roots when they pose property damage risks or when growing in construction areas.

How can I safely cut tree roots without killing the tree?

Sometimes cutting tree roots is necessary. If you fear making a mistake that will damage the tree’s life, you can always contact our Bristol tree experts, and they can help you preserve the trees on your property. On the other hand, if you choose a DIY approach, there is a science to the process and several factors you should consider before cutting the tree’s roots.

  • Season – The time of year you choose to cut tree roots is extremely important. The early spring or late winter are the best times to cut tree roots because most trees are dormant. With slower activity, there is a reduced risk for dehydration and damage.
  • Age – Young vibrant trees have cells that multiply in abundance. Therefore, cutting the roots of younger trees is safer but still requires you to follow the general rule that a cut cannot be closer than three times the diameter away from the trunk. On the other hand, older, more established trees are more likely to experience damage since their functionality slows with age. For older trees, measure the diameter of the trunk at breast height and multiply by six. For example, if the trunk is 2 feet in diameter, you would not make cuts closer than 12 feet from the trunk base.
  • Quadrant Cuts – Completely removing roots can severely damage your tree’s health. Our Kingsport ISA-Certified arborists recommend removing less than 25% of the root at one time to preserve the tree’s survival rate. Therefore, divide the tree’s root system into four quadrants and cut two opposite quadrants at the same time. Then, after two to three years, you can cut the other two quadrants. Before cutting tree roots, ensure your tools are clean to prevent the tree from contracting bacterial infections and diseases.

Once you finish cutting the roots, it’s imperative to replace excavated soil, so the roots can once again absorb nutrients and water. Mixing peat and compost with soil can provide an added nutrient boost. Then, continuously observe the tree to watch for distress signs such as yellow leaves or dying branches. If your tree shows distress signs, immediately contact our ISA-Certified arborists in Johnson City, as timely intervention will be necessary to save the tree.

ISA-Certified Arborists in Kingsport, Johnson City, and Bristol, Tennessee

Tree roots are a life-sustaining component for your property’s trees. When they become damaged, whether accidentally or intentionally, your tree’s health could be at risk. Therefore, before cutting your tree’s roots, contact our Bristol ISA-Certified arborists at Promier Tree for some expert advice to protect your tree. Please call us at (423) 765-2626 or contact us online to schedule an appointment today.

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