Improper Planting/Mulching http://www.mortonarb.org/trees-plants/tree-and-plant-advice/horticulture-care/mulching-trees-and-shrubs https://www.extension.umn.edu/garden/yard-garden/soils/mulching-the-home-landscape/ http://hort.uwex.edu/articles/wood-mulch-and-tree-health/ Photo Courtesy of: Robert Benjamin, Bugwood.org Share this:TwitterFacebookLike this:Like Loading...