I would never consider myself a Heuchera (coral bells) groupie and in fact, I find the color of many of them to be quite garish. Not to mention (which of course I'm about to mention), I've killed more of these than I've kept alive (don't even think about declaring them as "deer or rabbit resistant").
Now having said that (which is a really frustrating and nonsensical phrase when you break it down, but it just rolled off the
I have mine planted in half sun/half shade and in one of the few spots in my yard that is well drained. They have been nibbled a bit by some rabbits but always recover without issue.
They are no larger than 1' x 1' and all they require is a trim in early spring to remove the tattered, winter damaged foliage.
My plan is to divide these this spring and experiment a bit in different locales (some full sun, some in poorer drainage, some closer to deer territory) with the smaller divisions.
More to come ...