A smoke tree issue?
I friend of mine has had a Smoke Tree for several years. It has several trunks and all but one split clear through this spring. Leaving her with only one live trunk (branch), we live in zone 4. Any ideas what happened?
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Hello Robin,
Did you have the "Beast from the East" visit your area (Very strong winds)?
If I understand this article, the others should be removed. Take a look and see:
https://www.thespruce.com/growing-a-purple-smoke-bush-3269235#common-problems
How old is the smokebush? A number of tree varities become stressed when they have multiple trunks. Look carefully to determine if carpenter ants or similar invaded the trunks. For precise answer, take a good photo /photos and take them to a local Master Gardener or arborist at a local university or nursery.
Hello. Its hard to say without a photo, some thin bark trees split during weather conditions at wintertime. I used tree wrap on my October Glory Maple because of this problem as the bark splitting- cracking was damaging the tree growth and development in a vertical plane above the splitting. Not sure if my situation is similar to yours...
Usually frost or sun scald is the cause
https://tomlinsonbomberger.com/blog/cracks-and-splitting-in-tree-trunks/
here is info that may help you out - you could call the extension service in your area or a garden center also to ask their advise and see if they have anything that will help good luck