Leaves shouldn't be eaten as they contain oxalic acid and are poisonous. Rhubarb suffers from few diseases. Crown rot is the main threat, particularly if soil conditions are wet. The fungal ...
but we are often in contact with toxic plants like philodendron, rhubarb and tomatoes. Many plants have toxins. This is their protection against pests and insects, especially when wounded.
It looks like this is one of those years! Dear Master Gardener: Does poison move from the leaves of a rhubarb plant into the stalk by the fall? Answer: According to information from the University ...