That plant looks great , percentage wise I have not had anymore problems with their plants then any other grower. They release a lot more so they have more problem plants . But some of them are also very good. I also have mine in a raised garden with a good amount of sand added to it.
I don't buy their Echinaceas anymore. I find they don't have good branching. Terra Nova's Heuchera are good though. Cheyenne Spirit seems to grow better and it is more compact and fuller too. Even one of my favorites from Terra Nova, Merlot' has poor branching and it's a pink variety. I think they need to start over with better plants in their crosses. If another company can produce such excellent plants so well from seeds, surely Terra Nova can improve their plants too.
See that is what is confusing to me branching for me is much better on Terra Nova plants then Marco van Noort plants where I never get more then a couple. Could it be different weather conditions. CS have been great so far but I will need to see how they make it thru a couple of winters before giving up on other plants. And I think it will be a long time before you see seeds for doubles.
Thanks Vicki. Interesting I have never lost a coneflower along that rock wall. I believe that it may provide better drainage? Just a thought. The color on Cheesier has been in bloom for about three weeks and it has hardly changed. The first photo of the singular flower is a little more accurate color, the second two are a little brighter than actual.