Try air layering, next spring after the new growth hardens off.J. Maple I’ve grown from seed. Always thought I’d chop it down but can’t bring myself to do it!
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I personally feel you want to keep things more vertical and a wedge cut may be more than is needed.View attachment 512427
Needles have reduced significantly over the last growing season. I’m debating a wedge cut in the taller trunk back over the shorter trunk - would love to hear any input
Where did you find that? I am looking for one myself.