I have an Oxblood Japanese Maple tree that loves it's location. I planted it about four years ago as a three-foot tree and it is now well over 15 feet tall! How much can I trim it without 'hurting' it? It is rather close to the house and I need it trimmed to see out the window it is now hiding.
If you look at the outer portion of the canopy, you will see that these are normally dense and little sunlight penetrates them. I always advise people to thin the outer canopy and allow sunlight inside so that you retain the interior and lower branches. Thinning and reduction can be done at the same time if you take your time and are selective. Your cuts shouldn't be any bigger than 3/8". Don't remove any interior tissue unless its dead.
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