Broccoli Growing Guide

Brassica oleracea


Crop Rotation Group

Brassicas (Cabbage family) 


Rich, deep soil, firm with plenty of well rotted compost, composted manure, or balanced organic fertilizer dug in prior to planting.


Full sun.

Frost tolerant



Mix composted manure or another high-nitrogen compost into the soil before planting. When heads begin to form, feed with a liquid plant food.


Single Plants: 1' 5" (45cm) each way (minimum)
Rows: 1' 5" (45cm) with 1' 5" (45cm) row gap (minimum)

Sow and Plant

Sow indoors in early spring, and set out while the soil is still cool. Sow fall broccoli indoors in summer, and set out when the plants are 3 weeks old.
Our Garden Planner can produce a personalised calendar of when to sow, plant and harvest for your area.


Broccoli that matures in cool fall weather has an especially tender texture with sweet flavor to match.


Use a sharp knife to harvest the primary head when the beads are plump and well-filled. Many varieties produce numerous smaller side shoots after the primary head is cut.


Cabbageworms are small green larvae of the cabbage white butterfly. You can use row covers to keep them from eating plants.

Planting and Harvesting Calendar

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Plant Diseases which Affect Broccoli