Growing Cabbage

Brassica sp. : Brassicaceae / the mustard or cabbage family

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

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

  • S = Plant undercover in seed trays
  • T = Plant out (transplant) seedlings
  • P = Sow seed
  • Easy to grow. Grow in seed trays, and plant out in 4 weeks. Sow seed at a depth approximately three times the diameter of the seed. Best planted at soil temperatures between 41°F and 64°F. (Show °C/cm)
  • Space plants: 20 - 30 inches apart
  • Harvest in 11-15 weeks.
  • Compatible with (can grow beside): Dwarf (bush) beans, beets, celery, cucumber, onions, marigold, nasturtium, rhubarb, aromatic herbs (sage, dill, chamomile, thyme)
  • Avoid growing close to: Climbing (pole) beans, tomato, peppers (chili, capsicum), eggplant (aubergine), strawberry, mustard, parsnip

Your comments and tips

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06 Mar 18, Elizabeth (Australia - temperate climate)
I live at Sussex Inlet on the south coast. Half hour drive past Nowra. When is the best time to plant seeds for Cabbage?
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08 Mar 18, Mike (Australia - sub-tropical climate)
You are temperate climate zone. Plant seeds now or seedlings April-June. Suggestion - plant seedlings if only doing a few at a time. It takes 4-5 weeks to get seeds to good seedling stage. NOT worth the hassle in my opinion. Same with broccoli and lettuce.
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02 Oct 17, rhonda (Australia - cool/mountain climate)
Hello, I live in Nerriga near Braidwood, New South Wales and have had a failure with my cabbage and cauliflower crops. I grew them in a large igloo covered with cloth (with holes) and our temperature here goes to -7 Centigrade. My cabbages and cauliflowers grew lovely for a while then no hearts in the cabbages and no cauli in the cauliflowers. Only leaves. I gave them sea sol often and watered regularly. Not sure how much water they wanted. They did freeze a few times but went back to normal as the day progressed. Can you help for next time? Thankyou. Kind Regards, Rhonda Richards
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31 Dec 17, Kevin Anderson (Australia - temperate climate)
Hello Rhonda. I have some suggestions: (i) patience (haha), (ii) think about the varieties of cabbages and caulies that might be suitable for your area (meaning choose quick growing varieties), (iii) plan your autumn planting and growing around your first frost and your spring planting around your last frost, (iv) buy a max/min thermometer for use in the poly tunnel, and (v) think about the effectiveness of a "double skin" poly tunnel. By suggestion (iii) above, I mean try to calculate how many weeks/months into autumn and winter you would like to keep growing your brassicas. Ditto for spring plantings. Hope that this helps. Kevin Tasmania
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04 Oct 17, Mike (Australia - sub-tropical climate)
I live in a totally different climate to you. I'm having trouble growing savoy cabbage - probably planting too late and probably too rich a soil and too much water. I have savoy now, been growing for about 10 weeks or more and lots of leaves and little head. Same happened last year. The year before I had great Savoy. We have had very warm winters - in the last month temps have gone from 6-9 at night and mid 20's in the day to 14-18 at night and high 20's and even records of 34 last week in the day. I would suggest prepare your soil well - compost and fert or whatever you use and then plant the plants - don't fert again. Little plants need regular watering but when they become larger cut the watering back to each second or third day - I will have to remember to take my own advice next year.
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21 Aug 17, Alex Little (Australia - temperate climate)
Why should you avoid growing beans next to cabbages?
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22 Aug 17, Mike (Australia - temperate climate)
Website - sustainable gardening Australia says beans are good neighbors of cabbage. It also says don't grow beans next to beetroot - and I have that happening - all going good so far. Most to do with similar diseases etc. Read up about companion planting. Sometimes it works sometimes not.
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20 May 17, Sandra Sidietigerqueen (Australia - sub-tropical climate)
When would be the right time to grow cabbges. In rockhampton QLD.
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22 May 17, Giovanni (Australia - temperate climate)
June, July and August would be good months to plant cabbage seedlings in your area.
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01 Apr 17, Kathi (Australia - sub-tropical climate)
How well do Wombok cabbage (Chinese cabbage) grow in Sub tropical climate? Any special requirement?
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Showing 61 - 70 of 153 comments
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Are you direct sowing (into the garden), or are you sowing indoors in trays? I'll give you the germination temperatures. Germination temperatures vary from plant to plant (even among say tomatoes - the various varieties have different germination temperatures). These are OPTIMAL germination temperatures-- so higher or lower can work, but germination will not be as consistent or Good in non-optimal temps. The germination temperature must be sustained (over several days or more) -- this is the plant's indicator (sustained warm temperature), that spring/summer is here -- and it is time to wake up and get growing. If the germination temperatures are not met, the seeds will remain dormant (most of them), waiting for their ideal growing conditions to occur. Remember - varieties make a difference so I'm giving you GENERAL temperatures. PEPPERS: Soil temperature needs to be at least 75-85 degrees F (24-27 c) for good germination. Peppers won’t germinate in cold soil– with the higher end temps germination may be in 5 days, or may take up to 20 days in the lower temps. Don’t overwater seeds or they may rot. peppers don't like to be overly wet. Your max germination temp is 95F (35c) for peppers. TOMATO : optimum germination temps are : 65-85F (24-30c) days to germinate varies a lot by variety ... so maybe 1- 2 weeks ? Max temp is 95f (35c). Tomato seeds have been know to germinate at temp as low as 40f (4c) -- but expect germination to take a month or more and your germination rate (% of seeds that germinate) will probably be very low. GREENS: way to varied to give an answer -- example: KALE has an optimum germination temp of 65F (18c) and range of 45°F - 85°F (7-30c), while SWISS CHARD's optimum germination is 80°F (27c) with a range of 40°F - 95°F (4-32c). Days to germination vary based on variety and temp. I generally recommend starting peppers and tomatoes indoors -- and with greens it depends on the green -- kale and chard are both tough, and both have a very wide temp range for germination so outdoors is fine. You also have to consider insects... larger plants have a better chance (in general) of survival if you experience pest problems. OF course a lot depends on how long your growing season is-- in a really long and hot growing season, starting tomato seeds outdoors is no problem, in a shorter cooler growing season the optimum germination temps may never be met (sustained) so starting indoors is pretty much a given.

- Celeste Archer

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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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