A lot of my semps did not make it either. I think like everything else the more they breed for different color and form the further away the Semps are getting to hardiness and the strength of the semps of old. I am going to go to my old house and see if any of the old ones I had are coming up. Although I think I dug them all up and planted them at my new house before I knew that animals in my new home liked them.
This weakness of plants is happening with Hostas, Coral Bells, and many old time plants that were strong in their original state but when they start messing with the DNA they are not the plant of old.
I am using some of my old time Hostas in pots that you could leave laying on a concrete driveway all summer and all winter and they will grow like they were planted in the ground all year. If I do that to one of these new and beautiful improved Hostas they will cry and die before I went back in the house.
