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

20 Apr 20, Kaye moore (Australia - sub-tropical climate)
What do u spray cabbages with to keep grubs out
06 Dec 20, Glenn (Australia - sub-tropical climate)
Nothing - simply place a small piece of mosquito netting over the cabbage with a couple of sticks to keep it off the cabbage to stop the white cabbage moths landing to lay eggs. Bingo: another step to organic cabbages.
01 May 20, Michael (Australia - temperate climate)
You can make organic spray from garlic or mix olive oil with water and add a squirt of liquid soap. Lots of ways to do it , just search online for some others using chilli or neem oil. Goodluck!
21 Apr 20, (Australia - sub-tropical climate)
Look on the internet for 1. chemical sprays at Bunnings or nurseries or 2. if you want organic, look for one of them. You can buy some organic ones or make then up yourself.
23 Apr 20, Gozer DeLino (Australia - temperate climate)
You can use "Take Down" from Monterey. It is a Pyrethrin based organic spray.
02 Mar 20, Anele (South Africa - Semi-arid climate)
How to plant cabbage in year round production
02 Mar 20, anon (South Africa - Semi-arid climate)
In semi arid you can't by the guide here,. If you really want to try ,buy a very good shade house and try.
23 Feb 20, Rsshied (South Africa - Semi-arid climate)
Good day. I am growing cabbages,i planted it from the tray that i got form Stodels. I planted it in 1 December 2019 and its heads are looking very small. What should i feed the cabbages with. Thank you.
24 Feb 20, Another gardener (South Africa - Summer rainfall climate)
If planted 1st DEC then they are about 12 weeks old. It says 11-15 weeks. It would depend what kind of cabbage you planted. A small kind or large variety. I grew red cabbage that are suppose to grow to 2-3kg but only grew to the size of small rock melon. You need some nitrogen fertiliser. N is for leaf growth, P for root development and K is for flowering and fruit growth. You should apply these before you plant generally. Too much N and you will have too much leaf. A handful of general fertiliser will cover about 1 square meter. Or place about 2 tablespoons of general fertiliser in 9 l of water and let it sit for a few hours, give a good stir and apply to the plants. It may be a bit late to do too much with your cabbage. Give it a go though.
06 Jan 20, Ian (New Zealand - temperate climate)
I have used, for the first time, garden domes from the ware house. At last I don't have to spray for white butterfly. The domes let nothing in due to the mesh size. Bees can get in but find it hard to get out. So I now have four of these domes. Snails, birds, you name it. Nothing can get in.
Showing 61 - 70 of 234 comments

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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