@Roses_R_Red, I honestly have no idea! Do you have enough that you can test it out? Also, that statement was part of the text on a website selling sedum. The virtues of the plant may have been overstated. I think that's done quite often. Edit: Also, it was referring to groundcover type sedums, not the taller ones.
I'm just fooling around with it because someone gave me this -- ogod you would laugh~! she gave me a bag of stuff she'd set aside for me, some cookies she didn't want after all, some toe separators in case I paint my toenails again, a book, and this little four inch pot, lying on its side, the sedum scattered in the bottom of the bag. She'd forgotten to give me the bag the last time she saw me so that plant had been sitting in there for days, at least.
If it survives this? we have a real winner on our hands!