Rhubarb: Easy, Ornamental and Deer-Resistant! - Gardening Blog – Grow Organic
Holes in Leaves of Rhubarb :: Melinda Myers
Are rhubarb leaves really that poisonous? I hear they have the same concentration of oxalic acid in their leaves as carrots and radish, and 1/3 the amount found in chives. - Quora
Pests and Diseases of Rhubarb - GardenFocused.co.uk