The plants need looking after carefully. If there is a slow down or interruption in growth they may bolt prematurely.

Water Needs

Moderate

Broccoli transpires quite a lot of water and for optimal growth the soil should be moist at all times. This isn't usually a problem because it grows in fairly cool weather.

Fertilizer Needs

Heavy

Like most members of the cabbage family, Broccoli is a hungry plant and needs plenty of nutrients for good growth. It doesn't like acid soil.

Watering, regularly

Water, 1 gallon(s) per plant, regularly, 1 time a week

For optimal growth the soil must be moist at all times. Fortunately it grows in fairly cool weather, so watering isn’t usually a problem.

In dry conditions or hot weather it is critical that the plants receive sufficient moisture. A lack of water may cause the plants to bolt.

1 gallon of water per plant should be enough, but use more if necessary.

Watering also depends on your local weather; don't water if it's raining, or water more frequently if it's dry. Just be sure to keep soil moist for the best crop. The best way to know how much moisture is in your soil is to feel 2" below the soil line. If it's dry, water.

Side Dressing, after transplanting

Compost tea, 1 cup(s) per plant, after transplanting, 1 time

If your soil is less than ideal, give your transplants a feed of compost tea or liquid kelp, 2 weeks after planting out. This will encourage rapid vegetative growth.

Weeding, after transplanting

after transplanting, 1 time a week

Competition from weeds can cause the plants to bolt, so keep them well weeded when small. A mulch will help here as well. When they are 12" tall you don't need to continue weeding as regularly.

Side Dressing, when 4in tall

Mulch, 2 inch(es), when 4in tall, 1 time

A mulch will help to keep down weeds and keep the soil cool in warm weather. Broccoli loves seaweed mulch. If slugs and snails are a significant problem in your garden, don't mulch as it makes a perfect habitat for them.

Protecting, at early fruit set

Row cover(s), 1 layer(s), at early fruit set, 1 time

You can avoid the most serious Cabbage pests by covering the young plants with row cover. This is a lot of work though, so don't do it unless they become a problem.

Side Dressing, before harvest

Compost tea, 2 cup(s) per plant, before harvest, 1 time

Two weeks before harvest you might give them another feed of compost tea to encourage the production of side shoots.

Support

No