Number Six Clipart Six pack of Heuchera 'Palace Purple' coral bells ground cover plants 'Palace Purple' Hardy plant What Are The Six Flags That Have Flown Over Texas The Tube Number 6 Printable SIX The Musical Live! Showtimes & Tickets Showcase Cinemas UK. Beautiful, winter hardy evergreen plants. These 'Palace Purple' (Heuchera) coral bells look great in an ornamental garden. The plants get their decorative appeal from their beautiful leaf colours, which vary from brown to purplish red. You can plant them anywhere! They grow best in the sun or partial shade. And did you know? This plant also produces creamy white flowers in summer.