In a large pitcher, stir together wine, orange-flavored liqueur, and elderflower liqueur until combined. Stir in apple, cucumber, lime, lemon, and mint. Chill until ready to serve.
Before serving, stir in sparkling water, soda, grapes, and melon. Garnish with mint, if desired.
Notes
*We used Pinot Grigio, Cointreau, and St-Germain.
Recipe by Southern Lady Magazine at https://southernladymagazine.com/5-refreshing-beverages-beat-the-heat/