Broccoli is a popular garden vegetable belonging to the Brassicacea or cole family of plants. ... It is grown as an annual, with a life cycle in one year, although it is a biennial plant with a two-year life cycle. Broccoli heads are harvested for consumption and usually have a diameter larger than 2 ¼ inches.

How long does a broccoli plant live?

Broccoli grown from transplants matures and is ready to harvest in 55 to 80 days after transplanting. After the heads are harvested, the plant will live and continue to produce side shoots for several weeks, or until temperatures get too high or low.

Will broccoli grow back after harvesting?

You'll know broccoli heads are ready when they're deep green with small, tightly packed buds. Harvest broccoli right away if it starts to flower or turn yellow. Side shoots will continue growing after the main head is harvested.