glad I read this thread. Had started lifting and filling in and really didn't know if I was doing it wrong. Did use hand spade to lift whole clump, even though some were small. I have some clumps that look like they are trying to bury themselves, so I'm lifting. Thanks fellow sempester's.
Keep telling my dau-n-law to join here to learn more about her plants. She has also turned into a semp & sedum addict