I have tryed real plants, but I have a Uaru and Severum, and they hate plants so I couldnt ever keep them alive. I have had plastic and silk. The silk are expensive, but very nice looking and the fish like them. They swim through them and treat them like there are real. My fish never seem to swim through the plastic ones. The silk plants have one big downfall in my experience, when they are stained you cant get them clean. Some of mine have algae stains and it wont ever come off. With the plastic ones you can scub and get clean. Hope that helps and good luck.