Bring water to a boil in a kettle or pot, then pour over the tea bags in a heatproof pitcher. Steep for 5 minutes, then remove the tea bags and let the brewed tea cool to room temperature.
In a small bowl, combine hot water with dried lavender and steep for 10 minutes. Strain out the lavender and discard the flowers, then stir in honey until it dissolves to create a fragrant lavender syrup.
Mix the lavender syrup into the cooled brewed tea, stirring well to evenly distribute the floral flavor.
Pour the lavender tea mixture into a blender, then add the cooled brewed iced tea along with ice cubes. Blend until smooth and slushy, about 30-40 seconds.
Check the texture; it should be thick, icy, and smooth with a pale purple hue and a fragrant aroma of lavender. Pour into glasses and garnish with a sprig of lavender if desired.
Serve immediately and enjoy the refreshing floral cooling sensation of this elegant summer treat.
