Thanks everyone for your encouraging comments & rewards.
These are "no-brainer" plants. They re-plant themselves without any help from me,
and always put on a nice show in winter for us. Bees & hummers like them, too.
They're also known as "Mother of Millions" as they propagate so easily.
But ours are confined to a relatively small area under an old Spineless Yucca (Y. elephantipes)
with other kalanchoes & jade plant...
Here is a
slideshow