Growing Mustard greens, also gai choy

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

(Best months for growing Mustard greens in New Zealand - cool/mountain regions)

P = Sow seed

  • Easy to grow. Sow in garden. Sow seed at a depth approximately three times the diameter of the seed. Best planted at soil temperatures between 50°F and 95°F. (Show °C/cm)
  • Space plants: 14 - 24 inches apart
  • Harvest in 5-8 weeks.
  • Compatible with (can grow beside): Dwarf (bush) beans, beets, celery, cucumber, onions, marigold, nasturtium, rhubarb, aromatic herbs (sage, dill, camomile)
  • Avoid growing close to: Climbing (pole) beans, tomato, peppers (chilli, capsicum), eggplant (aubergine), strawberry
  • Leaf mustard
  • Red Japanese mustard

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

30 Apr 22, harry shapiro (South Africa - Summer rainfall climate)
I would like to pant Coriander , mustard and origanum seedlings in my garden which has very little sun . When is the best time to plant?
02 May 22, Anonymous (Australia - sub-tropical climate)
Most plants need a fair bit of sunlight. Check the planting guide at the top of the page for each of these.
17 Apr 22, Barb (USA - Zone 11a climate)
Can mustard greens be grown in zone 11 and when should seeds be planted?
21 Apr 22, Anonymous (Australia - temperate climate)
By the planting guide here no.
22 Feb 22, Manjeet (Australia - temperate climate)
Is it okay to use the Mustard seeds used cooking for planting, red or yellow?
24 Feb 22, (Australia - sub-tropical climate)
Try it and see what happens.
17 Dec 20, Steve (South Africa - Humid sub-tropical climate)
Hi There Where can l get Gai bok choy or mustard green seeds in South Africa Kind Regards Steve
18 Dec 20, (South Africa - Summer rainfall climate)
Try an internet search for mustard greens eg https://morningchores.com/growing-mustard-greens/
03 Jun 20, FELECIA L CADE (USA - Zone 5a climate)
Gai Choy able to be sowed in July for Fall harvest right? Do these leaves grow pretty big? I ordered Asian mustard from someone in the spring and believe I received the small Gai Choy.
13 Feb 20, Marlee Williams (Australia - temperate climate)
Please advise where in Adelaide SA I can buy leaf mustard (aka mustard greens) seeds. Every time I think I’ve found somewhere the seeds turnout to be the variety that you cook with not the ones I want to plant in my garden. Thank you to anyone that can help me.
Showing 1 - 10 of 54 comments

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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. GardenGrow 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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