Brew the hibiscus and black teas separately. Let them steep for about 5-7 minutes, then chill completely in the fridge—give it at least 2 hours.
Juice the watermelon by blending chunks and straining through a fine mesh sieve. It’s a little messy but worth it.
In your punch bowl, pour in the chilled teas, watermelon juice, and lemon juice.
Add honey or sorghum syrup and stir until it’s all dissolved.
Toss in the strawberries, blackberries, orange rounds, and lemon rounds.
Right before serving, add the red soda and ginger beer so you keep that nice fizz.
Gently stir with your long-handled spoon to mix everything up.
Scoop into glasses over ice and top with a sprig of mint for garnish.
If you’re making the adult version, pour in the bourbon or rum after step 5.