Broccoli flower plant requires regular water to grow, particularly when developing heads. Water a couple of times every week, making sure that the soil is not too wet but moist. Poor heads and stress can be brought about by uneven watering. Take nutrient-rich soil and spread the balanced fertilizer or compost frequently to enhance growth. Nitrogen is specifically significant in the growth of the leaves. Surrounding plants with mulch prevents moisture loss, controls soil temperatures, and controls weeds.