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Growing Mustard greens, also gai choy

(Brassica sp.)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
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(Best months for planting Mustard greens in New Zealand - temperate regions)


  • Easy to grow.
  • Harvest in 40-60 days
  • Sow in garden. Sow seed at a depth approximately three times the diameter of the seed.
  • Best planted at soil temperatures between 10°C and 35°C.
  • Space plants: 35-60cm

Green leafy plant, popular for Asian cooking.

Grow fast with plenty of water and regular feeds of liquid manure to avoid bitterness. Pick young.

Culinary hints - cooking and eating Mustard greens

Use young leaves in salad for a 'spicy kick'. Add to stir fry.

Your comments and tips

16 May 09 trish mann (Australia - sub-tropical climate)
I've been growing mustard greens as a salad vegetable for a few years and find they come up in surprising places. Very hardy to grow summer or winter- great crunchy stem with slightly hot mustard flavour. The initial seeds came from a punnet of salad greens which I let go to seed.
02 Jul 09 Trevor Heywood (Australia - temperate climate)
This Autumn and Winter I scattered mustard seeds around the place - a biodynamic book said to do that. When I'm weeding I see a nice mustard green I just eat it on the spot. Leave some patches to grow bigger and eat them chopped up in your dal/lentils - stem & all. Keep sowing them all the year.
31 Aug 09 Allen Shiley (Australia - sub-tropical climate)
As a boy growing up the South of the USA we often ate mustard greens. Though they tend to be boiled with bacon or ham and stewed for at least 24 hours. Sometimes my grandmother would add a little sugar if the were bitter. We ate them much as you would boiled spinach.
26 Sep 09 Melanie O'Connell (Australia - cool/mountain climate)
I share a garden bed with my neighbours from Burma who speak very little English. We have been growing mustard greens and they are now about 1m tall and covered in yellow flowers. At what point (and how?) do I start collecting seeds? Thanks very much.
23 Nov 09 Erna Stein (Australia - temperate climate)
I have been growing mustard greens as a salad vegetable for a couple of years and simply love them. I have been starting them off from seedlings from the nursery however this year I've had trouble finding healthy seedlings and would prefer the convenience of growing them from seed. However I haven't had any luck in finding seeds. Can anyone tell me where I may be able to purchase them from?
28 Feb 10 Caroline (Australia - temperate climate)
I have been looking for mustard greens seed and I can't find them in the traditional gardening stores, where can I find them?

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