Lots to consider when replanting rhubarb

Q. Last year, a neighbour who was dividing her rhubarb clumps gave me some extra pieces she did not need to replant. They are not doing well in my garden. Half of the root pieces I transplanted have yellowed leaves and withered stalks. I’m wondering whether I didn’t prepare the soil properly or I planted at the wrong soil depth.
A. Because rhubarb is a perennial crop that usually occupies a site for five years or more before being lifted, divided and replanted, a thorough preparation