With spring upon us in central Indiana, roots can be a nuisance for homeowners as plants and trees grow and spread. It’s a good idea to use copper sulfate four times as year to deal with roots.

Your column on preventing roots insewer lines was appreciated, but I'veheard that flushing copper sulfate tokill tree roots in sewer lines isfrowned on by the sewer treatmentplants. -- D.R.S., Tulsa.

Using Copper Sulfate To Burn The Stump Chemically Many homeowners resort to chemical burning to remove a tree stump.