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In most cases, you should not use a pruning seal on trees after trimming. Applying a sealant can interfere with the tree's natural healing process, and it does not guarantee protection from pathogens. Instead of sealing the cut, the best practice is to support the tree's natural recovery by providing it with plenty of water and a dormant-style fertilizer. However, there are exceptions. Pruning seals may be recommended for very vulnerable species, like elm trees, in areas where dangerous diseases such as Dutch elm disease are prevalent. In these specific situations, the protection offered by a sealant can outweigh its downsides. For advice tailored to your situation, especially after cutting large branches, it is best to consult a local tree trimming professional.

The average lifespan of an oak tree is 100 to 300 years, so long as it isn’t impacted by diseases like sudden oak death. Some species will last shorter or longer, depending on where you live.

On average, tree removal costs around $750, with a typical range between $200 and $2,000. The final price depends on several factors, including the tree's height, trunk diameter, species, and overall health. Accessibility is also a key factor; costs will be higher if the tree is in a hard-to-reach area or located near structures like power lines or your home. Additional costs may apply for services such as stump removal (which can add $100 to $150), log-splitting, debris cleanup, and obtaining necessary permits. It is also customary to tip the professional, usually between $20 and $100.

A tree growing close to a house can pose several risks, but removal isn't always the only or best solution. Potential problems include roots growing into the foundation and causing structural cracks, branches damaging the roof or promoting moss growth, and debris clogging gutters, which can lead to water damage. Trees can also provide access for pests and encourage mold. However, a small, healthy tree may not be a problem, and for larger, established trees, strategic trimming can be a cheaper and more beneficial alternative to removal. It is generally recommended to take action for trees within 10 to 20 feet of your home, especially if they are unhealthy or encroaching. Your best bet is to consult a professional arborist who can assess the specific situation and provide expert advice.