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Old 04-07-2024, 07:06 AM
 
10,926 posts, read 21,984,695 times
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Hey all. We inherited this Lilac bush when we moved in in 2017. After a recent heavy snow I noticed a branch on the bush has split. While looking at that I also notices some of the bigger branches have fungus and the bark is peeling. There seems to be a good amount of new growth coming up as well. What is the best way to deal with the split? Tie up the branch with twine (will it heal?), remove it at the split, or cut the branch before the split? Also, would it be a good idea to trim the branches that have the fungus and peeling bark?
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Split Lilac Bush-img_20240407_083256466_hdr.jpg   Split Lilac Bush-img_20240407_083318706_hdr.jpg  
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Old 04-07-2024, 07:20 AM
 
Location: Coastal Georgia
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The “fungus” is lichen. Lichen does not harm to the plant, but it likes to form on distressed plants. Just wait until the bush leafs out, cut off any dead branches, and then prune it after it flowers.

https://www.gardeningknowhow.com/orn...lac-bushes.htm
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Old 04-09-2024, 11:18 AM
 
Location: East of Seattle since 1992, 615' Elevation, Zone 8b - originally from SF Bay Area
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Yes, you can wrap the split branch with electrician's tape and let it heal, then carefully remove the tape after about a year. This is the best time to do that so lucky there. I had the same problem with a grapefruit tree years ago when we lived in California and it not only healed nicely but then started to have fruit for the first time.
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Old 04-09-2024, 11:27 AM
 
10,926 posts, read 21,984,695 times
Reputation: 10569
I did a bit of research, I actually ended up doing some pruning as it hasn't had much maintenance since we've been here. Did a 1/3 prune at the ground of trunks over 2 inches, this included the split branch. Gonna do another 1/3 the next 2 years. It already looks better.
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