Planting peonies

I'm considering alternating phlox and peonies for the mostly-sunny flowerbed, so noting down related stuff here.

Plant peonies in the early autumn and it'll flower in the spring. Weed and clean the bed well. Do the same in the spring and maybe put some sand on top, so the surface stays well-ventilated. Here's more about planting: https://www.meillakotona.fi/artikkelit/istuta-pioni-oikein-ja-se-kukkii-jo-ensi-kesana.

Plant the phlox on the spring. Divide the roots with a sharp knife and replant at a distance of 35-40 cm. More: https://www.meillakotona.fi/artikkelit/syysleimu-on-todellinen-perennakaunotar-nain-takaat-pitkaan-kestavan-kukkaloiston.