Bring sugar and 1/2 cup water to a boil in a saucepan, stirring to dissolve sugar. Stir in dried lavender. Remove from heat. Let cool completely. Strain out lavender. Refrigerate syrup until ready to serve (up to 1 month).Advertisement
Pour about 6 ounces Champagne and 1 1/2 teaspoons syrup into each flute. Garnish each with a lavender sprig.