Here is one picture of a rhodo and peonies:
https://www.pinterest.ca/pin/4...
Here are TPs and rhodos in the same garden, except that rhodos are in shade:
https://peony.mbgna.umich.edu/...
And these gardens have both rhodos and peonies. I cannot go to see them because of Covid right now, but hopefully, I'll visit them. They are not far from here.
https://brueckner-rhododendron...
@AlexUnder, have you ever visited Brueckner Rhododendron Gardens?