I need to move my peony because it is drowning under the new metal roof installed last year. Roots are becoming exposed.

Question

Can I use a mineral to reduce the shock of transplanting now, in Vermont, late spring? I want to save this plant.

Answer 1

September is the best time to move your Peony, but if your plant is suffering in an area that is remaining wet, I would move now to avoid any further chance of root rot, disease and possible loss of the plant entirely.
This link will help you.

https://www.extension.iastate.edu/news/2009/aug/062801.htm