Unless it appeared at a garden center there despite not being suitable for year-round outdoor use in the local area - I see tender woody plants in the outdoor plant sections of retailers here every year.

Collards would be my guess just from the photo but that depends on the variety too as they have several different appearances. A taste of the leaves should give you the answer assuming you know what each tastes like. Dave

By scopa, i am referring to parodia scopa and its close relatives (schlosseri, erubescens etc). Small to medium sized stems, large yellow flowers, often short spines, white or brown rarely yellow, tight and small ribs. Parodia as a genus has groups(based on former genera) - core parodia(2 groups, microsperma subspecies and relatives(resemble mammillaria/rebutia), and comarapana-subtereanea group(look like dwarf ferocactus some of them). Most flowers are red or orange, some yellow. -ottonis-mammullosa group(related to scopa, larger ribs and spines) -magnifica-leninghausii( very prominent yellow spines, both thing and large ribs, but larger in general), former eriocactus -hasselbergii(former brasilicactus). They look like rebutias at first glance, and are loosely related to the core parodia plants. This species(+subs) is a thing on its own i suppose. Green or orange flowers. -the scopa group mentioned above.

There’s always Austrocylindropuntia subulata monstrose, but I don’t think that has a bunch of fuzzies like yours. Fuzzies is totally a botanical term ;). My guess is an Opuntia cross between subulata x vestita. I see it in stores as Austrocylindropuntia ‘Rollercoaster’. What gives it that real snowy fuzzy look is the Austrocylindropuntia vestita. It can take a ton of light/sun all day if you can give it or the new growth will become lanky.