I purchased Prickled Petals in 2014, however, it has yet to bloom for me. It has grown into a medium size clump, and looks good this spring, I am hopeful of seeing it bloom this year, if it doesn't, it's heading out of here.
I have had Prickled Petals for many years and probably will always have it in my garden. It is a great grower and blooms a long time. It is very hardy in my climate for being an Evergreen. It increases fairly well here. Love it!!!