This question is asked by homeowners, municipalities and property managers all the time. There are several things to consider. Why are you treating them? Insects, disease or nutritional needs – ArborSystems has a full range of chemicals including insecticides, fungicides, PGRs, antibiotics and micronutrients. How many trees are you treating? Our advance technology for tree treatment allows you to increase the number of trees treated in a day as most trees are treated in five minutes or less. Is direct-injection good for the tree? ArborSystems Wedgle does not require drilling…preventing drilling damage, long-term wounding and wasted tree energy. For more information, click here.