Watermelon White Sangria

Bahan-bahan (6 porsi)

• 1 cup cubed watermelon
• ½ medium nectarine, peach or plum, thinly sliced
• ½ cup raspberries, sliced strawberries or blackberries (optional)
• 5 to 6 thin slices lime
• 1 (750 ml) bottle sauvignon blanc
• ¼ cup St. Germain liqueur
• 1 to 2 tablespoons agave nectar or simple syrup (optional), to taste
• Ice, for serving