If you're an avid gardener, you know the formula. Each pot gets a thriller, a filler, and a spiller. This summer, we're potting each one in their own container and grouping them all together! The result is a pretty collection of flowers that makes a big impact. Brian Lloyd shares his expert advice for grouping up containers. He gives us some flower varieties that will add interest to your yard. There are even some that will grow tall enough for you to plant a shaded variety nearby!