Answer: This tree, Abies koreana, can grow to over 30 feet. You will not be able to trim it back severely. Abies can be sheared very lightly, cutting only into the current season's new growth. Be very cautions if you try this. If you cut it back too far it will not regrow and you will have permanent bare stubs and holes in the foliage. On the other hand, the annual trim will result in a wider, very dense plant. If it is truly too large for its location you may want to consider replacing it. I hope this helps.
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