QuestionsHow to growGreenhouse GrowingOther greenhouse vegetableschillies 0 Vote Up Vote Down michael o\’ donoghue asked 15 years ago Just wondering if when you pick green chillies do you need to leave them for a while to attain their heat. i tried one and it didn’t have any heat, just tasted like green pepper 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 6 years ago Some chilli varieties have very little heat. It does increase but the really hot ones are hot even when small and green.