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Well I just can’t keep up with the amount of diseases my garden has with this ever increasing list. Now the Hawthorn tree has started to show some dry, brow,black leaves with white mould inside. No evidence of insects or pests. The rest of the tree is healthy but I don’t like the look of this. It has been in a large pot just under the soil for a few years as I don’t want it getting too big.
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Anyone please ? -
No idea - sorry. Its a member of the rose family so maybe look at Rose problems.
Can you cut out the affected shoots?
Hawthorns are naturally huge and doubt that they're happy in a pot, even if it is buried.Comment
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I agree with VC - quite likely the pot is the main issue.
There's a huge range of choice of shrubs of all sizes and habits out there, one of which will almost certainly be a better match in terms of height and flowering when planted in the open ground.
My advice would be to get rid of the pot - and just plant the hawthorn for now.
If you want something which grows to about 8', has whitish flowers and will do OK near a hedge then I'd say try one of the viburnum tribe as a starting point for research as to what's available - most of them have fragrance too.
Or you could start a new thread and see what others suggest, within the parameters you decide are important.Comment
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I can't see the pot causing the problem as Hawthorn thrives in limited conditions in the wild. I like Hawthorn as it's a native tree. The blackening leaves here and there have some kind of fungus and whitefly which is hardly anything to do with being in a pot in my opinion. Besides, the tree itself is very established and healthy showing no other signs of being deficient. I am wondering if that extremely wet, cold spell after such a heatwave did something.Comment
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