La Fête des Mères
It's Mother's Day in France. If a magnificient bouquet of flowers is the gift you have in mind, then Fleur Lachaume is the place to go. Founded in 1845, Lachaume is the most amazing florists I've ever seen - the roses are three feet tall, the arrangements are artistic and the service is impeccable.
If you're not in Paris, no worries. You can experience the beauty of Lachaume by going to their website and downloading free screensavers and wallpaper to your computer desktop.
10, rue Royale