Previous pin: "Moss Verbena may end up being your favorite groundcover. It grows between 6 to 12 inches tall, but has a spreading capability of up to 5 feet. It's easy to grow, is drought and heat tolerant, attracts butterflies and comes in blue, purple and white flowers."
How to Make a Petunia Tower -- Basically, it's a ring of galvanized fencing lined with landscape fabric, then filled with potting soil. The petunias were planted through slits in the landscape fabric. This looks like a pretty easy do-it-yourself project!