Prunus incisa 'Kojo-no-mai' problems
Please help! My lovely prunus kojo-no-mai has dropped most of its leaves, and those that it does have left are brown and brittle on the tips. I know that it's a deciduous shrub but usually the leaves stick around until Autumn!!
It has had the odd caterpillar now and again (those that spin that annoying webbing and hide underneath) but I didn't notice any major damage in that respect. With it having been such a hot summer some of my other plants suffered a little, but none were ever starved of water. Could it possibly be overwatering?
My strawberries suffered terribly from spider mites, though thankfully it didn't seem to spread too far. I ended up purchasing a pesticide to combat the mites and will have sprayed the prunus once or twice. Not sure if that is at all relevant.. I wondered whether it may be particularly sensitive to chemical treatment?
Any help much appreciated!!