There is a basic process that can be followed when you are attempting to take care of a tree, but if your tree has gotten to a point where it can no longer be managed through baseline care giving activities then the time might have come for you to look into advanced practices. Certain individuals working in the tree care industry who have managed to attain quite a bit of experience over the years would be well equipped to give you this advanced tree care, but the key here is to know when exactly hiring someone for this sort of thing is actually going to end up being a good enough idea that you would want to explore.
If you ask us, the best time to hire someone for advance tree care would be when your tree is no longer responding to normal care. If the person that you normally hire for tree care comes over and claims that there is not all that much they can do, it is important to note that advanced care is now the only option you can realistically end up looking into in quite a few ways.
The advanced tree care specialists that you are going to hire will charge quite a bit of money, but this money will be worth it if you take into account the various ways in which it can be used to your advantage. You might just be able to save your tree with this investment, which is enough to make it a worthy thing for you to spend money on. Trees are really useful for our world so this is an investment that can go towards improving the whole planet.