Dormant oil: Apply when trees are dormant, November through March, after all the leaves have fallen. Mix with water as directed and spray to all surfaces of the trunk, branches and twigs. Apply ...

Spraying in May and June with BT or fruit tree spray can prevent this problem. Another fix is applying Milky Spore under cherry trees, which will control Japanese beetle grubs quite well over a ...

A reader from Mohicanville contacted me around June 15 a few years ago to ask aboutthe deformed branches on her sour cherry tree. My reader’s tree had elongated, rough black swellings or knots that ...

If you must spray, use an insecticide formulated for fruit trees, preferably not when the tree is in fruit. Originally Published: February 6, 1985 at 5:00 AM EST Share this: ...