PURE CEDAR…NO FILLERS! MAIN’S Pure Cedar Mulch has a golden-blonde color and a pleasant aroma and is a popular product for people that want to brighten-up their landscape beds. MAIN’S Pure Cedar is sourced from lumber mills in Michigan’s Upper Pennisula, so it will not be mixed with fillers or construction debris. Cedar mulch contains natural oils that help repel insects. aka Cedar Mulch How Much do I need?