A healthy Philodendron White Wizard will have glossy, firm, and variegated leaves, and sturdy and colorful stems and petioles. It will also produce new leaves and aerial roots regularly, and grow at a moderate pace. A unhealthy Philodendron White Wizard will have yellow, brown, or curled leaves, and limp or discolored stems and petioles. It may also show signs of pests, diseases, or stress, such as wilting, drooping, or stunted growth.