Vernal Avenue is the avenue south of Prism Tower in Lumiose City. It is regarded as a shopping district by Lumiose citizens, and has the most stores than any other Avenue in Lumiose City. Here are the main four shops you'll find their. Friseur Furfrou: The shop owner will groom and style your Furfrou to increase its looks and speed. Boutique Couture: You can buy clothes which change everyday. Herboriste: They sell bitter medicine herbs for your Pokemon here. Stone Emporium: They sell Fire,Water and Leaf evolution stones here.There is also a guy who sells Charizardnite,Venasaurite and Blastoisenite.