Q.I Have An Established Flamingo Acer With 2 Main Trunks! How Can I Encourage The Stronger One, Would I Cut Down Or Notm? Thank You
It is established and growing wrll.

GKH_Susan
Certified GKH Gardening Expert
Certified GKH Gardening Expert
Answered on September 19, 2025
You will probably want to prune out one of those trunks, i.e., the thinner one on the right. You do not need a sealer for the wound to close. Here is more:
https://www.gardeningknowhow.com/garden-how-to/info/pruning-basics.htm
https://www.rhs.org.uk/plants/26059/acer-negundo-flamingo-(v)/details
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