Wow ... we are going from roses to heucheras ! Up here in my arid high summer temps, the dark ones get sun scorched, so I need to grow them in shade. Even dappled shade is not enough.
What are the names of your red mini roses ? Did you buy them as bands ?
Seriously, let me know what roses you are interested in growing and I'll see if I can give you a leg up. Zone 6b is very doable for a lot of roses. They are not inside plants, but you can over winter them inside if you need to, but they do need to be protected from deer. Roses are deer candy.
All of the nursery sites say heucheras are deer resistant, but the deer up here just can't read and will eat them to the crown, if I don't protect them ...
