Heuchera 'Prom Dress'. This new member of the DRESSED UP Series has large, ruffled, pewter leaves with charcoal veins. I've been happy with the other two members of this series, 'Ball Gown' Cinderella Couture 8248J A Line Long Formal Ruffle Prom Dress Black XL Heuchera hybrid Dressed Up 'Evening Gown' Evening Gown Coral Bells from Prides Corner Farms Heuchera 'Evening Gown' PP34288 CPBRAF Walters Gardens, Inc. New this year! Dressed Up 'Prom Dress' is the newest member of our collection of large, heavily ruffled coral bells whose size and unique texture makes them easy to pick out