The Page book suggests that you can cut Itohs back, and get them to rebloom? Anyone tried this? success? or not?

Frank R. posted a pic of one of his Itohs that bloomed last month, wonder if he'd cut it back? What book are you referring to, Caroline? That would be amazing if they'd rebloom! Post more info!

The book is The Gardener's Peony by Martin Page.
On page 185 in a quote from Roger Anderson the famous peony breeder.

I am in a short season zone, but if I ever get an Itoh to bloom--I will try that!

I did not cut it back, but I did remove the seed heads.

That is good to know.
Maybe it conserved energy for flower production when it did not make seeds?

My library has a copy of that book, just requested it! Thanks for the info, Caroline! Looking forward to reading it over this next winter!

It is the best book on peonies that I could find.
I also have Peonies by McGough, which is good on pictures because her husband illustrated it . He is a professional photographer. One draw back is they do not actually grow peonies, but did do a good job of researching peonies. They are in New Zealand so the varieties are different from the ones in the Page book. Page is American.
I also have the Halda book on The Genus Paeonia. It is more on species peonies.

I don't have any specific peony books, probably would be a good thing to invest in since I love the flowers so much. Maybe I'll just jump on Amazon and order it instead, start my peony library out with a good one!

I like having books specific to my favorite plants.
Handy to look things up.

Now I wonder if cutting back is really necessary,
as Itohs which are mature are supposed to bloom for a longer period anyway.