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Growing Broccoli

Jan F M A M J J A S O N Dec
  S P P                

(Best months for growing Broccoli in USA - Zone 5a regions)

S = Plant undercover in seed trays P = Sow seed

  • Easy to grow. Grow in seed trays, and plant out in 4-6 weeks. Sow seed at a depth approximately three times the diameter of the seed. Best planted at soil temperatures between 45°F and 86°F. (Show °C/cm)
  • Space plants: 14 - 20 inches apart
  • Harvest in 10-16 weeks. Cut flowerhead off with a knife..
  • Compatible with (can grow beside): Dwarf (bush) beans, beets, celery, cucumber, onions, marigold, nasturtium, rhubarb, aromatic herbs (sage, dill, chamomile, oregano)
  • Avoid growing close to: Climbing (pole) beans, tomato, peppers (chilli, capsicum), eggplant (aubergine), strawberry, mustard

Your comments and tips

10 Aug 18, (Australia - tropical climate)
If you prepare your ground before hand and have added compost/manure/fertiliser then the plants won't need any more feed while growing.
24 Jul 18, Steve (Australia - cool/mountain climate)
I'm growing broccolini, they are shooting but they're changing into yellow flowers. what should I do? this is my first time ever that I'm trying growing them. Thanks
25 Jul 18, Frank (Australia - cool/mountain climate)
You should have picked them before they flowered.
25 Jul 18, Mike L (Australia - sub-tropical climate)
You have left it too late. You pick before they flower.
26 Jul 18, Edna Brady (Australia - temperate climate)
Eat them anyway,they are still nice in meals, flowers and all...They sometimes just get a bit tough!
14 May 18, declan kearney (Australia - sub-tropical climate)
is broccoli a vegetable that will grow with low maintence
15 May 18, Mike (Australia - sub-tropical climate)
Unless you live in a very bug and disease free area, most plants need regular attention. If grown in good soil and watered every few days broccoli will grow very well as long as you have no grubs. If you have grubs (from moths) - the plants may look great one day and a few days later the heart of the plant could be eaten out. That is the end of that crop/plant.
01 Apr 18, Heather curtis (Canada - Zone 3a Temperate Short Summer climate)
It is the beginning of April, can I plant my seeds for Broccoli now.
23 Feb 18, Marjorie (Australia - temperate climate)
Hi, one of my broccoli plants have a head already and we had cut the head off. Should I remove the plant now? thanks!
26 Feb 18, Mike (Australia - sub-tropical climate)
You can let it develop small side shoots. Depends when you want to replant that area with new seeds/plants.
Showing 31 - 40 of 275 comments

You can plant brassicas year after year after year if you like but then you are not doing crop rotation are you .Read up about crop rotation to what it achieves.

- Mike

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This planting guide is a general reference intended for home gardeners. We recommend that you take into account your local conditions in making planting decisions. Gardenate is not a farming or commercial advisory service. For specific advice, please contact your local plant suppliers, gardening groups, or agricultural department. The information on this site is presented in good faith, but we take no responsibility as to the accuracy of the information provided.
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