It will likely have white flowers, or if pink, they will be lighter in color.
Usually the white blooming ones have those yellow leaves in the cold season.
Reds, purples and darker pinks tend to have red winter color.
When yours blooms, you will be able to count the stamens and see if its a true azalea or a rhododendron azalea hybrid. True azaleas have 5 stamens....hybrids have more.
Good point on the fall colour. Yes, this very likely is white flowering.
However, the stamen thing is not fully accurate, but has a core of truth to it:
R. indicum 5
R. nakaharae 10
R. kaempferi 5(-6)
R .oldhamii (8- ) 10
R. kiusianum 5
R. simsii (8-10)
R. stenopetalum 5(-7)
R. yedoense var poukhanense 10
R. ripense 10
R. eriocarpum (aka tamurae) (8- ) 10
Many non-azalea dwarf rhododendrons have larger stamen counts as well.
Because indicum, kaempferi and kiusianum are the most common species in our hybrids, most evergreen azalea hybrids do have 5 stamen.
But many hybrids have more stamen, very often because they have genes from one of these other species.
Counting stamen is helpful because it can tell you if a cultivar is a 'pureblood' R.indicum. Or a pureblood kurume (kaempferi kiusianum mix).
So if you are not sure if your rhododendron is a dwarf rhody or an evergreen azalea, and it has 5 stamen, it is an evergreen azalea. But if it has more, it can still be either.
This plant however is an evergreen azalea.
If you post a picture of it flowering next spring, I'll give a shot at IDing.
