QuestionsHow to growVegetable GrowingGreen Broccolibroccoli 0 Vote Up Vote Down Alan Stenson asked 14 years ago my broccoli(which were mistakenly sold as cabbage)are growing well but they have yellow flowers like rape seed flowers. they also have very small purplish broccoli-type flowers. is this normal? 1 Answers 0 Vote Up Vote Down Gerry Daly Staff answered 5 years ago The yellow flowers are those which have opened, while the purple-green flowers are still in bud.