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. Good Natured Gardening: Have a heart, get an anthurium San Diego Union Tribune Red Flowering Houseplants: Learn About Common Houseplants With Red Flowers Gardening Know How Plastic Plant Pots Round Martin Dale Seedlings Indoor Plants The Home Depot