Best results in spring and summer Most species Maple, blackgum, hollies, hickory and dogwood are more difficult to control. To control these species, apply in continuous cut. From full leaf expansion until leaf drop in fall Oaks, sweetgum, poplar and sycamore. The injector bit must penetrate inner bark. Year around Most hardwoods.
Pines are resistant.
Apply in a circle around trunk or under brush. Best results on sandy or light soils. Apply Velpar with handgun as individual stem treatments or as narrow bands 4 to 6 feet apart. Follow instructions on label. Apply Pronone 10G by hand or with spreader.