This week, Tom advises a reader whose apple and pears trees have been plagued by leaf curl year after year - Alamy ...

Q: Although we faithfully sprayed our freestone peach tree with copper sulfate last fall, and again before leaf break in January, three-quarters of the tree is blighted with leaf curl that is causing ...

Q: I have a peach tree that is about 4 years old and it has been producing some really good peaches. Last year, it developed peach leaf curl in the spring. That summer, it didn’t produce much fruit, ...