This is the most difficult and longest method out of all three. You will recognize them as white balls under the leaves. Learn how to plant and take care of their big and vivid leaves with a few tips from this ultimate Crystal Anthurium care guide where I’ll cover: Anthurium crystallinum is a plant from Panama, with large, green, oval leaves that can grow up to 90 cm in height. report. Because these plants are from tropical regions, they have adapted to wet seasons and heavy rainfalls. It shouldn’t be exposed to direct sunlight, so place sheer curtains that will filtrate the sun rays and reduce their intensity. Soon your house will turn into a tropical paradise! However, make sure to keep it in a warm area with high humidity. Free delivery, usually takes 4-13 days. You can’t control the outside temperature during seasons and both too high and low temperatures can cause the death of the plant.