Place hibiscus flowers and ginger in tea strainer or cheesecloth and tie it up securely. Put it in your iced tea jar. Make sure your iced tea jar is safe for hot liquids!!
Bring 4 cups of the water to a boil.
Pour over the herbs in the tea jar. Cover and steep for 10-15 minutes.
Remove the herbs and stir in the honey, the juice concentrate, and the rest of the water.
Let cool to room temperature, and then put in the refrigerator over night. It can also be served over ice.