There's a lot of tree peonies. It is rather nice!
I don't know where in the world you live, location can help to narrow down possibilities but some varieties will be popular anywhere.
I looked for one with bronze foliage as I can see it has some.
Paeonia 'Yachiyo Tsubaki' has bronze foliage.. read the description on the link..
http://www.kelways.co.uk/produ...
https://chartwellgardensnt.wor...
http://forum.jardinage.net/vie...
