To learn more, enroll in Basic Floral Design Online: There are many colors, textures and styles found in Thanksgiving Centerpieces. Everything from the classic fire colors with autumn leaves to Cornucopia styled designs, Della Robbia styled designs, even whimsical designs. In this how-to demonstration Leanne creates a rustic styled design with a primary usage of foraged materials. Enjoy! Sign up for our free weekly email for additional floral design demonstrations: