Q: I have a gray foliage plant in my rockery that my neighbor tells me is a type of artemisia. It is ugly right now because the leaves are dead-looking at the tip of the branches, but I see new ...

M.B.: Step away from those pruning shears. Winter is not the time to prune any of the gray-leaved artemisias. This drought-resistant perennial is so dramatic that it will commit suicide if you trim it ...