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Growing Jerusalem Artichokes, also Sunchoke

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

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

P = Plant tubers

  • Easy to grow. Plant tubers about 5cm (1.5") deep.. Best planted at soil temperatures between 8°C and 15°C. (Show °F/in)
  • Space plants: 30 - 45 cm apart
  • Harvest in 15-20 weeks.
  • Compatible with (can grow beside): Tomatoes, cucumbers
  • Artichoke harvest

These are the edible root of a sunflower. Plant the tubers deep enough to cover with soil. They are quite drought-tolerant, but keep well-watered to grow larger tubers. They grow through the summer to 1.5m-tall sunflowers with a smallish flower. Dig up the tubers when the flowers die down in autumn.

Get a couple of tubers from the supermarket or fruit shop. Two years after planting you will probably have enough to give away. Perennial, if you don't manage to harvest all the tubers - they will regrow year after year.

Culinary hints - cooking and eating Jerusalem Artichokes

Scrape clean or peel (add a tsp of lemon or vinegar to the water to stop the tubers browning). Steam, boil, or use in artichoke soup (make with artichokes and some stock). Caution - because they contain 'resistent starch' Jerusalem Artichokes are a great promoter of flatulence in some individuals.

Your comments and tips

09 Feb 19, Lyn (New Zealand - temperate climate)
My first year JAs are well over 2 meters with no sign of flowers, have I given them too much water or does this mean a huge first crop?
10 Feb 19, mike (New Zealand - sub-tropical climate)
I think you need to read the notes here. You eat the root in the ground - nothing to do with the flower I feel. Probably too much nitrogen and watering to have 2m plants.
02 Feb 19, Vic (New Zealand - sub-tropical climate)
Hi. is there anyone here who can spare a small piece of Jerusalem Artichokes this time of the year. i only need a small portion to plant.
06 Feb 19, Mike (New Zealand - sub-tropical climate)
Ask around nurseries or go on the internet and try and find garden clubs in NZ.
09 Jan 19, Lea (Australia - temperate climate)
How do I cook them and can anyone share a recipe. First time grower with Jerusalem artichoke
10 Jan 19, Mike (Australia - sub-tropical climate)
Look on the internet.
01 Jan 19, Georgette (USA - Zone 6b climate)
what state or place is the best place to grown sun chokes. we are thinking about growing them commercially and what to know if we need to move or what the best area is.
26 Nov 18, Ethelyn Schaeffer (USA - Zone 10b climate)
Could I grow Jerusalem Artichoke in the desert? Any suggestions?
16 Oct 18, Catherine (South Africa - Dry summer sub-tropical climate)
In answer to those seeking advice about where to buy Jerusalem artichokes in Cape Town: I bought some Jerusalem artichokes at the Vineyard Deli, Kenridge, chopped them into small pieces and planted them in a large wooden container. The plants are now (October) about 50 cm high and not flowering yet, but looking extremely green and sturdy.
20 Oct 18, Stacey Robinson (South Africa - Dry summer sub-tropical climate)
I also found Jerusalem Artichoke plants at Ferndale Nurseries in Constantia, Cape Town!
Showing 1 - 10 of 188 comments

I planted a couple of JA's in spring and about 8 weeks ago they shot up with lovely yellow flowers. I cut these off fairly quickly hoping the growth would go back into the Tubers. I am guessing i could dig some up, but i would like to also move some of the tubers to another spot. Can i do this now or should i wait until the spring?

- Wendy

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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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