Thank you for your comment. I didn't know cryoprotectants existed, I might have a look at that in the future, but fogging them seems like an extra task and is perhaps not very easy to do. The research station has stopped work on this, project money ran out. I've...

Thank you for your comment. Perhaps you are right, this hadn't come to my mind. The first year I tried the experiment there were no grey spots and the temperature was slightly higher. The problem however was that the buds developed further and they were thus more 'open' at...

Your previous translation was deleted as requested. The translation is good I think, thank you. It describes four of the varieties that have been introduced. Three of them hybrids with P. peregrina (what the other species or plants are is not being told, but the 'segmented' leaves surely come...

@bobjohnson Yes, this year's seeds. But they were mature halfway August, earlier than yours. Then soaked for two days and then all the different treatments. The bags were placed in my unheated greenhouse. I should have logged the temperatures perhaps, but I didn't (I'll do that next year)....

I did. The results in the polytunnel are the same, about one week difference. It's just coincidence that I got a better picture outside. I was unable to cut all of the Fawn and therefore you can see some flowering in the right rows in that picture and therefore...