I loved this plant but after several years and many dollars later I started only buying them if I seen them for no more than 3.00. I did not feel my dollar was being spent well when they only lasted one season or two.
I had several survive last winter by growing them in pots and in the fall laying them on their side and piling leaves on top. A few I purchased from Santa Rosa at the end of the season cheap were planted in large pots on the patio and covered with leaves those came out beautiful this summer.
These are in pots and placed close to the hostas for the summer that I will winter on their side.
These one of the combo Herc in the perennial pots on the patio. They are growing nicely this summer and wintered very good in the pots.