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Licensing requirements for arborists, also known as tree surgeons, vary by state and municipality. Many areas require a license, which often involves specialized education and experience. Even if not mandated, it's wise to hire a licensed professional as they tend to have more experience. Beyond licensing, look for certifications from organizations like the International Society of Arboriculture (ISA) or the Tree Care Industry Association (TCIA), as this indicates a higher level of expertise. Certified arborists must typically pass a comprehensive exam. Always confirm that the arborist has a business license and is fully insured to protect yourself from liability. Seeking positive recommendations from local homeowners is also a good step in finding a qualified professional.

Ivy eventually kills trees by restricting its growth, blocking sunlight, absorbing nutrients and water from the soil, and weakening the tree. Trees with ivy are more likely to experience diseases, pests, rot, and fungi growth. When ivy weighs down tree branches, the tree is more likely to break during a storm and cause damage.

If a tree stump is removed properly, the chances of a tree growing back are low. However, if a tree has a robust root system, roots can sometimes sprout and someday grow into a tree. The chance of regrowth will depend on several factors such as the type of tree, soil quality, and strength of the root system. In general, it is not recommended to plant a tree where a stump was removed.

The ideal time to prune a tree depends on the type of tree. Typically, late winter or early spring is a good time to prune but isn't always the case for "towering trees." It's best to trim when trees are dormant and before blooms appear but can vary depending on the tree type. It's always best to research the type of tree or ask a professional tree trimmer to determine when is the perfect time to prune your tree.