Karen, don;t be sorry

Life happens
I have a corner in my garden that I call a "suggestion" of a white garden.

Because my garden is so small, I cannot have a white garden room, black garden room, etc. Instead, I have a corner that I call a "suggestion" of white garden, the other corner is a suggestion of "black" garden, then "golden" corner, etc. I thought that it would be nice to have a white TP in the "white" corner. Last fall I moved a white and light pink herbaceous peonies there to make space for Hana Kisoi. Those two herbaceous peonies really suffered a lot. First I had to move them to save them from my evil neighbors who vandalized the garden. Fortunately, those neighbors had moved away, so I was free to reorganize the garden. That was when I bought Hana Kisoi and two new peonies from Cricket Hill Garden. The fourth one was a replacement for Black Dragon who didn't survive.
I think that I will wait for the fall 2018 to move the plants again. I've already risked to plant tree TPs in the front bed (in triangle), although there is a space only for two TPs (side by side). I was hoping that Guardian and Snow Lotus will make friends. The Guardian's structure is kind of open, so branches can hug Snow Lotus, and perhaps Hana Kisoi. Both Guardian and Han Kisoi are rather open bushes. In the same time, this climate is harsh, and things do not alway grow as they should. Many years ago, I planted a hedge of roses by the book, but the roses simply couldn't get big enough in this climate to form the hedge. I ended up moving them closer, which was a lot of work. I was hoping that something like that might happen to TPs too. Snow Lotus and Guardian are planted in the fall 2013. I guess that they will reach their mature size by the next year (fall 2018). Hopefully I will know if Guardian can stay with Snow Lotus, or I'll have to move it.
Therefore, I will wait for the fall 2018. Hopefully those two herbaceous peonies (in the white corner) will regain some strength by that time; that is, before I move them again. It might also be beneficial for Fenix White to start growing her own roots. With a little bit of lack, I'll move her to the "white" corner in the backyard. Then we will see if I have to move Guardian. If I have to move it, I'll move it to the side, left of Snow Lotus. Those two herbaceous peonies can be planted in the front; that is, in front of Snow Lotus and Guardian. That will be it. In the meantime, I am making two pathways in the garden. Now when the evil neighbors left, I want to open the garden a bit and start inviting people in, perhaps give a couple of parties.
However, we still don't tell if I've got Fenix White, which can get quite big and wide. Fenix White is definitely too big for the spot where she is now. I am also positive that my mislabeled peony does not look like any standard white Japanese peony. For example, Renkaku is common , bit it is semi-double. My white peony has only ten petals. She is so single, so single

I wasn't even aware that Canadian Tire sells Fenix White. Anyway, the peony will fully open tomorrow, so we might know a bit more.
What would you do?