Woman hand using spray on rhubarb plant with infected by many black aphids. Using no pesticide, made with water, green soap and vinegar Stock Photo - Alamy
Healthy gardening – How to prepare rhubarb manure - Mantis UK - Expect Big Things
Homemade insecticide using Rhubarb leaves
Are Rhubarb Leaves Poisonous? Make Natural Insecticide with the Leaves