I have a laburnum tree that has not flowered as expected and has yellow pat : Grows on You

Avon, United Kingdom

I have a laburnum tree that has not flowered as expected and has yellow patches on its trunk & branches. what can I do to save it?

Yellow patches could just be lichen growth, which is harmless, but without a photo, can't really be more definite than that.

15 May, 2010

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