Does Broccoli Flower When Growing?

Broccoli is a hardy biennial grown as a cool-season annual. ... Broccoli forms single or multiple flower “heads ” of tiny blue-green flower buds. The flower heads are eaten before they bloom; buds open to tiny yellow flowers. Broccoli will bolt and go to seed in warm temperatures or when daylight hours lengthen.

Should I let my broccoli flower?

The crop of broccoli in this spring garden is well on its way to making heads. Don't let your broccoli head develop to this stage. It will be mealy. If the little buds start stretching or showing yellow flower petals, cut the head, no matter how small.

Why did my broccoli go straight to flower?

Broccoli grows tall and starts to flower in order to form seeds and complete its reproductive cycle. This happens in response to stress, and extreme soil temperatures. Sometimes broccoli will grow tall and bolt before the broccoli has a chance to form a large head.