Having a theme in mind when you place plants in the ground provides some unity to your garden. It can be as simple as planting flowers of all one color, such as an all-white moonlight garden, or as elaborate as a garden that is planted around your hobby, such as a model railroad. The best thing about a theme garden Theme Garden Ideas | Garden Guides Please note: You are currently browsing img enchanted garden birthday party birthday party ideas that is 1024x683px in size. This image is listed in garden theme decorations category. Theme Garden Ideas Garden Guides, 1024x683 in 122.32 KB.