What is this about?

Why is it important? Which common urban species cause the most trouble?
sprouts from an oak stump
                                                    Multiple sprouts from an oak stump

What mechanical means are effective in urban settings? What about chemical means? PLEASE NOTE: Follow manufacturer's directions.  Consult the appropriate state office for registered pesticides that are labeled in your region for use on woody plants.  All pesticides are subject to varying restrictions.  Furthermore, changes in pesticide regulation occur constantly and human errors are still possible.     Where can I get more information?

Questions concerning the legality and/or registration status of a product for pesticide use in your state should be directed to the appropriate University Extension specialist or regional State Forester's office. For detailed product information, consult manufacturer’s labels, the current edition of the Farm Chemicals Handbook (Willoughby OH: Meister), or your state's registered pesticide website.