John Sulzbach of Killingworth, CT founded Proper Tree and received his arborist license from the state of Connecticut in 2013. As a resident of Killingworth, he is also a member of The Connecticut Tree Protective Association located in Northford, CT. The Connecticut Department of Environmental Protection has identified dozens of native tree species to the state, including both common trees like oak and walnut as well as lesser known varieties such as hackberry, redbud, and black gum. These deciduous trees that lose their leaves seasonally are responsible for New England's vibrant fall foliage displays that attract many visitors each year. Property owners seeking fall colors often plant red or sugar maple, while birch, h