Murky said: I have 2 of those outside in a clay container this summer also. Mine start to look like that when they don't get enough water. I planned on just hand watering it whenever it needed since everything said it likes to stay on the dry side, but I ended up adding a dripper to it so it gets watered daily and that stopped the curling leaves.
dnrevel said: Yes I have grown this pretty, interesting Senecio several times. It seems to do better with a morning sun location, and not being blasted by hot afternoon sun. Yes, it needs regular watering, but not too much or that can be problematic too.
I've overwintered it in my 6a climate.