I'm afraid it can be too big!
It is still in flower: Taken today.
Rogaland, Norway - with cool, often rainy summers (29C max) and mild, often rainy winters (180 cm/year)!
What an amazing colour! Is it a herbaceous peony?
Calgary, Alberta, Canada - Zone 3
-30 C to +30 C (rarely!); elevation ~1130m; annual precipitation ~40 cm
No, it is a cross between a red flowered delavayi and a lutea I presume. I get hundreds of seedlings popping up everywhere every year which I have to remove. So it is just random that this one was spared.
This is the probable parents:
The flowers are smaller than the herbaceous types but the plants are bigger!
I can send you a bag of seed if you are interested to try!
No fertile seeds on Paeonia caucasica but the unfertilized bits make for a rather bizarre sight...
I did get a few fertile seeds on Paeonia kavachenis, though: