Hi im not sure if this is the correct spot for this but I cant see anywhere else to post it.
I live in London and have a small garden, I've planted bamboo and a few eucalyptus gunnii trees but one seems to be turning red then brown and the the leaves are falling off the bottom half of the tree, I'm worried it will spread upwards and also to the other trees in the garden.
Can you please tell me what it is and also how to stop it.
The top half of the tree is fine with new growth. I only planted them last year and they have been doing really well until about 2 months ago.
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