We have an 8 year old Victoria plum tree. Last year we got very few fruits but were not particularly bothered but this year all of the fruit has become rotten on the branches and we have only managed to get 4 edible plums. Is the tree diseased and can we fix it?
Victoria Plum Tree
Certified GKH Gardening Expert
It could be brown rot. This article should help: https://www.gardeningknowhow.com/edible/fruits/peach/brown-rot-fungus.htm
For additional plum tree issues, this article will help: https://www.gardeningknowhow.com/edible/fruits/plum/plum-tree-diseases.htm