Flocking is a process in which we spray a white cellulose non-toxic material on your tree to simulate a tree after a snow storm. The flock can be applied to just the tops of the branches or complete coverage. The flock is also considered a fire retardant application. Any building with public access is required to spray their Christmas tree with an approved fire retardant spray applied by a license applicator. Also, by law a water stand must be installed. We have several licensed fire retardant applicators that many times can complete your order and deliver it on the same day. Please check with your local fire department for more information about these laws and ordinances.