Large Red Gunnera Type Plant, What Is It

Question

Large red leaved plant, similar to a gunnera

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Answer 1

It is probably a variety of giant rhubarb.

https://www.gardeningknowhow.com/edible/vegetables/rhubarb/planting-riverside-giant-rhubarb.htm

http://www.pnwplants.wsu.edu/PlantDisplay.aspx?PlantID=230

https://www.uaex.edu/yard-garden/resource-library/plant-week/gunnera-1-4-13.aspx