Heucheras are evergreen perennials - they don't die back :-) But the colder the climate, the more winter damage one might have on the leaves. Even here, where they look pretty much the same year round, I do groom them in spring to remove damaged or dead foliage.

I never cut them back fully. The ones that have had that treatment - thanks to deer - never seem to regain their lushness and fullness and I usually wind up yanking them out and replacing.

Ok - I trimmed it the best I could without scalping it.

Here in 5a it is necessary to cut back SOME heuchera. Freezing temps and snow really messes them up. Those that get cut back regenerate quickly. Example, this Autumn Bride was cut back about a month ago. By the time my hostas all unfurl the heuchera here will all look great and ready for summer. Your heuchera above looks really good now