QuestionsHow to growVegetable GrowingRhubarbrhubarb disease 0 Vote Up Vote Down ita hannon asked 14 years ago When does rhubarb stop growing? I have had a very short season of it this year and now it seems to have some disease like the stems have a guey spit on it and when i cut it the rhubarb seems brown in places inside. 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Rhubarb has been affected this year by dry weather, which stopped growth, and wind damage which can cause the exudate that you describe, Water well in a dry spell and mulch with garden compost.Â