Growing Radish

Raphanus sativas : Brassicaceae / the mustard or cabbage family

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

(Best months for growing Radish in USA - Zone 5a 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 46°F and 86°F. (Show °C/cm)
  • Space plants: 1 - 2 inches apart
  • Harvest in 5-7 weeks.
  • Compatible with (can grow beside): Chervil, cress,lettuce, leeks, spinach, strawberries, tomatoes
  • Avoid growing close to: Hyssop, gherkins

Your comments and tips

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02 Apr 15, Costa (USA - Zone 9b climate)
The greens of radishes are also edible. Eat raw when the leaves are small and tender. More mature greens before turning woody or the stem becoming hard and dark or before leaves start turning yellow can be steamed or boiled....A little lemon, salt, olive oil and you have some great tasting and healthy greens.Great over a bed of rice. Also good for juicing.
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26 Mar 15, Lola Diver (Australia - cool/mountain climate)
What is the best type of fertilizer to use for my radishes?
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29 Dec 17, Mike (Australia - temperate climate)
Radishes need good soil - not overly rich. If too rich the plant will produce a lot of leaves. Good free draining soil and water every day.
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13 Mar 15, Kristin Litwiler (USA - Zone 5a climate)
What is the best region of the US to grow radishes? What region is Arkansas in? I haven't been able to find that on the Web nor a picture of the US divided into its' regions as I've seen on seeds pack backs.
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30 Oct 22, Dan von Bose (USA - Zone 8a climate)
NW third of Arkansas is zone 7, rest is 8. Type "USDA zone map" into a search engine (I used Google).
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10 Mar 15, Kay Green (Australia - temperate climate)
Recent radish purchases from a variety of shops have all been like rocks. Almost break my dentures. Is it the time of year or just a weather phenomenon?
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29 Dec 17, Mike (Australia - temperate climate)
Radishes grown slow with irregular watering tend to be hard and bitter I think. Grow them quick with plenty of water.
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19 Oct 14, Sheila Graham (Australia - temperate climate)
I have raddish from seed, lots of them. And I have some from seedling. I used Seasol two weekly. The seedlings are ready to eat. I will leave the seeds for another two weeks or so.
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09 Oct 14, claire storey (Australia - temperate climate)
What type of fertilizer do you use for radishes. How do you get good root development
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11 Sep 14, suzette (Australia - temperate climate)
How much fertiliser is needed for radishes? No root development and lots of leaves makes me think too much fertiliser.
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I would like to know that if after my radishes have come through and have been picked, will they keep growing or do i need to re sow more every time.

- Pia

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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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