The address in the Rue Albert WATEL - 94 240 L'HAY-LES-ROSES. If take the metro get off at Porte d'Italie then continue by bus 186 or 184 (if holiday, bus 286). If increased RER station down in Bourg-la-Reine then go by bus 172 or 192.
The best time to visit is June because it was almost all the roses bloom, there are thousands of roses in various colors, sizes and shapes. There is a rose vine