I’ve had Blueberry flavoured teas which did not taste of blueberry at all. This is not one of them. I don’t know how it tastes hot, as unfortunately I steeped it and then forgot about it for 3 hrs, but it’s great cold. There is a definite blueberry taste that reminds me of blueberry pie filling (it’s been a looong time since I had that). Very sweet and tasty. No sweetener required here.