Plant people question.

[royable]

11. Perhaps there are different varieties of hens and chicks...

but as a kid in rural Maine, I grew them in my mother's raised flower beds, using them to prevent erosion of soil between the stones making up the perimeter of the bed. This was where in the winter it would get down to 20, 30, 40 below zero. The plants thrived from year to year. They're probably still there now.