Q.my plum tree has leaves curling
My plum tree has leaves curling and parts of the leaves are going brown and brittle. What can we do to put it right?
There are a number of things that might cause the symptoms you describe: too little water, problems with the soil, winter damage, aphids, and disease. Here is an article on basic plum growing: https://www.gardeningknowhow.com/edible/fruits/plum/growing-plum-trees.htm
and one on common plum diseases: https://www.gardeningknowhow.com/edible/fruits/plum/plum-tree-diseases.htm
To find out what the problem is, you should have a professional analyze the leaves and soil.