QuestionsHow to growVegetable GrowingSeed sowingbroccoli 0 Vote Up Vote Down paul grogan asked 15 years ago purple sprouting brocolli ,how to grow 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 7 years ago Sow seeds in May and plant out in late June July in a sunny spot, reasonalby sheltered as it is tall. Protect against pigeons in autumn/winter.