Planting in large pots without drainage holes may seem like a tricky task, but with just a few simple steps you can successfully create a lush and vibrant garden full of life. The first step is to find the right kind of pot--one without any holes either on the bottom or sides. A good alternative is terracotta pots that have been sealed or glazed, as these will help retain moisture for your plants. Secondly, fill the pot with potting soil to about two-thirds of its total capacity and ensure there is ample space for air and root movement. Finally, be sure to provide proper drainage by adding coarse material into the bottom of the pot--such as stones or earth--just above your potting mix. With this technique, you can enjoy gardening in large pots without worrying about drainage issues.