Heuchera hybrid Dressed Up 'Evening Gown' Evening Gown Coral Bells from Prides Corner Farms Dressed Up 'Prom Dress' Coral Bells Heuchera hybrid Proven Winners Portia and Scarlett Beaded Prom Dress PS24057 Dressed Up Ball Gown Coral Bells (Heuchera) One Quart 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'