Laburnums grow sport branches that are evergreen non flowering and too long and weeping.

I’ve seen this on many laburnums but can’t put a name to it. They sap the strength of the tree and make it unbalanced. When remove they grow back vigorously. They are like cancer.

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1 Comment To "Laburnums grow sport branches that are evergreen non flowering and too long and weeping."

#1 Comment By GKH_Susan On 08/28/2020 @ 11:22 pm

If the tree is grown on a rootstalk, the stray branches could be coming from it.

https://www.gardeningknowhow.com/ornamental/trees/tgen/can-grafted-trees-revert-to-their-root-stock.htm ^[1]

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