My potted eucalyptus (about 4 years old, normally very healthy and grows at quite a rate on its south east-facing patio) has something wrong with it.
At first (before I had put specs on and had a closer look!) I thought it might just be a bit of winter damage, but on closer inspection I can see that the bottom third of the leaves are studded with raised, rust-coloured patches.
What on earth are these?
I thought eucalyptus was infallible!
The potted olive, right next to it, is unaffected.