Anthurium Zara x Michelle x Red Crystallinum variegated seedling (Purp TanAsianWithPlants Quintessential Herbicide GCI Turf Academy 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. 24 Gallons BonsaiJack Organic Bonsai Soil Mix 221 (96 Dry Quarts) Red Sister Cordyline