sun or shade azaleas?

Question

which color of the leaves tell me if they are sun or shade?

Answer 1

All azaleas will benefit from light shade, although in Northern climate, they can survive somewhat happily in full sun. Regardless, they will all grow best with at least some light shade. This article will help: https://www.gardeningknowhow.com/ornamental/shrubs/azalea/azaleas-noteworthy-shrubs-for-any-garden.htm