I bought this as a bare root plant labelled "Peony" which it clearly isn't. I was thinking it's possibly a type of Rudbeckia or Helianthum, but can anyone give me a positive identification please ?
(Apologies for the out of focus photo of the flowers).

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Here's a better photo of the flower.
I think it's either "Goldquelle" or possibly " Hortensia"
I'm already doing battle with Helianthus "Monarch" that much as l love it, wants to take over the world.
Might be one for the charity shop.
Thanks again for the help @Busy-Lizzie 🙂