Landscaping may be a seasonal industry, but the mulch business operates on a more fluid calendar. Some mulch producers choose to shut down their coloring operations in the winter months, particularly in northern climates. Others forge ahead, coloring, bagging and shipping product all year long. In either case, when the weather turns cold, you need to take extra steps to protect your equipment or you could end up facing some costly repairs. To save money and keep your operation running smoothly, here are some tips on how to winterize your mulch coloring equipment.