Receiving bare roots earlier than expected. What to do?

I live in zone 7a (Virginia) and gurneys just shipped out my two bare root apples but my question is, is it safe to plant the trees right when I get them or wait when spring comes? I know the concept of heeling which is done if you can’t plant immediately so should I heel the bare roots or plant them immediately? I’m scared they might die as we do get surprise frost spells