Peas and carrots. Peanut butter and jelly. Batman and Robin. If this was Jeopardy the correct answer would be, "What are perfect pairings." On this episode we're talking about two plants that just seem to belong together. It could be that they have complimentary textures, or they bloom in unison, or perhaps their habits fit together like puzzle pieces. String a few of these perfect plant pairs together and you're sure to get a garden that is pleasing to the eye.

Expert testimony: Amy Galloway is a horticulturist at Lady Bird Johnson Wildflower Center, in Austin, Texas.