Most people prefer real plants but the type of real plants you can grow in the tank depends on a number of factors i.e. lighting, fertilisers, substrate. Fake plants certainly have their place in tanks as some fish are destroyers of any live plant. If you go up to Home on the top of this page and click on it, it will take you to the website. Look under plants on this, it gives you a list of plants and the requirements. There are also various articles which are worth a read