Although the winter was tough it seems that most rhododendrons survived although the leaves are somewhat burnt.
Here are some flowering now:
A cross I got as a small seedling, I don't know the parency though.
Another cross I got as a small seedling. The leaves are huge and although the trusses seems small they are not! The plant is 3-4m tall now and still fast growing.
Rh thomsonii - about 4m tall. I can barely see the flowers.