We Have A Mature Plum Tree Which, In Recent Years, Has Started Shedding Leaves On A Daily Basis. The Tree Otherwise Seems Health

Question

y although it has never produced any fruit. Understandably, the leaf drop increases at this time of year. The soil is fairly heavy, clay based. Any ideas about what might be causing the problem ?

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Answer 1

Is it a purple-leaf plum tree? They produce drupes that wildlife enjoy. Here is information on leaf dropping:

https://www.gardeningknowhow.com/edible/fruits/plum/plum-tree-dropping-leaves.htm

https://www.gardeningknowhow.com/edible/fruits/plum/purple-leaf-plum-care.htm