Formal-Garden Basics If a couple of flowerbeds don't add up to your idea of a great garden, DIY's gardening expert Walter Reeves advises adding some structure and substance to it. For a more formal-garden look like those seen in public botanical gardens and park settings, large pots, tall plantings, flower-surrounded topiaries and garden statues are just some of the techniques used to give structure to the garden environment. If you like, you can emulate some of these techniques in your own back yard. Here are Walter's tips for some formal plantings.