Click here to learn how to build your own terra cotta pot wall. Click here to watch how easy it is to install the WaterWise™ system. LET’S T ALK TERRA COTT A Few materials could be considered so modern, yet so ancient. Our ancestors understood what we know today: terra cotta is a tried and true, versatile, inexpensive and widely accessible material for growing plants. Roots breathe easily as oxygen and moisture are exchanged through its porous walls. Natural baked earthenware offers safekeeping for plants we intend to eat. And you’ll find it in every shape and size imaginable. 20