F from Salt Lake City writes
SureGuard is a broad spectrum pre- and post-emergent herbicide for use in lawns and landscaped areas to control common broadleaf and some grassy weeds, it is not labeled to treat for suckers on trees. We do however carry the Monterey Sucker Stopper RTU. Sucker Stopper RTU controls sprouting from pruning cuts, trunks and root stocks. Sucker-Stopper RTU is a ready to use formulation that will last at least three months after the application.
Answer last updated on: 10/15/2013