I love their haze of little blue flowers which last for weeks (similar to forget-me-nots, but not the same) and then these variegated leaves (this variety is “Jack Frost”) continue to light up shady spots. Woodland garden plants, nice for part- shade (the leaves will scorch in sun).
If they’re happy, will throw off lots of babies and spread over time, but in a manageable sort of way. (Some of the babies will likely revert back to solid green leaves.)