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We have a number of ash and Horse chestnut trees on our property. So far the ash are fine but I will be looking out for die back next year. The chestnuts have bleeding canker and I am dreading losing them ... should I have them removed now

Apple sooty blotchApple sawflyApple and pear scabCanker on apples trees

of ornamental shrubsCankerEuonymus scaleLeaf miner flyHorse chestnut scale insect

I have a beautiful weeping flowering cherry tree in my garden which I think may have a canker disease.  There are totally dead branches and branches with a cluster of leaves on the very ends but none along the length.  There are also eruptions

or council bin.  I agree. It has been very wet. There is something called stem canker which is more serious, but it doesn't look like that to me. Canker looks a bit like a wart and is wrinkly and can spread to encircle the stem. Black spot can appear

, such as canker, can set in.Congregations of fluffy, white, waxy aphids cause localised swellings on branches. If the swellings split open in winter, infections can set in.Blast off the fluffy, sticky aphid mass with a high-speed jet of water. This won't cure

pictures tomorrow. A bit of googling suggests it could be spider mites or canker, but  I am not sure how to treat either.

it may be a form of canker. Advise reads "cut it out, paint on an anti canker paint, and put something around the lower` trunk every winter2, but can't remember what. Sorry. Me I am just going to cut down, clear bark from under the tree, and totally redo

bees that visit the flowers may be killed by traces of these chemicals in the pollen and nectar. horse chestnuts, magnolias, cornus, bay, lime and acer trees. May-SeptemberMore common apple and pear trees problemsCankerEuonymus scaleLeaf miner fly

're waterlogged. Oozing sap makes me think of canker, which seems to be thriving this year - have a look here to see if the symptoms look familiar. I came onto the forum because my tree is looking very sorry for itself.  Lovely big tree, great blossom, but now