Birds Nest Fern Brown spots and brown edges on the leaves. This can also be caused by too much heat (sun burnt) and will only show on the area of the plant that was exposed to too much light or sun. Dumb Cane (Dieffenbachia Sparkles) in the Dieffenbachias Database Garden.org Nature's Blossom Bonsai Growing Kit. Grow 4 Types of Miniature Trees, Set with Seeds, Soil, Planting Pots, Labels and Growing Guide X00108AAYD The Home Depot Aloe Vera National Institute of Environmental Health Sciences Fresh Starts Plants Collection easyplant