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Growing Radish

(Raphanus stivas)

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
    P P P     P        

(Best months for planting Radish in USA - Zone 5a regions)

P = Plant direct in garden where they are to grow.


  • 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: Chervil, cress,lettuce, leeks, spinach, strawberries, tomatoes
  • Avoid growing with: Hyssop, gherkins
  • Cherry radish
  • French Breakfast radishes

Small, spicy tasting root vegetable usually round but some longer varieties . Available in a range of colours between red and white.

Very easy to grow. Good for a child's first garden as seedlings appear in two or three days. Sow between other vegetables as they will mark the rows until the slower germinating plants appear.

Culinary hints - cooking and eating Radish

Wash well and remove leaves and roots.
Use raw in salads or on their own with bread and butter.


Your comments and tips

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19 May 13, Detlef (Australia - temperate climate)
The leaves are delicious in stir fries, omelettes, stews etc.
21 Apr 13, (Australia - tropical climate)
mix 50% river sand with a clay type soil for radishes this works well for me. no fertilizers needed.
20 Jan 13, Rose (Australia - temperate climate)
Another comment said if tops are great but poor roots you should lay off the fertilizer. They specifically noted nitrogen.
14 Nov 12, Keren (Australia - temperate climate)
If you find a lack of root development in plants that are grown for their roots: radishes, carrots, etc., but great healthy leaves above, that would indicate too much nitrogen fertiliser. Go easy on the fertiliser and your roots will grow better.
16 Oct 12, Vincent Harney (Australia - temperate climate)
Have twice planted french breakfast radishes in potting mix. Result - no radishes. Is the potting mix the problem? Should I just use soil? And perhaps a box?
23 May 12, Monique (Australia - temperate climate)
My raddishes are not forming. They have a healthy looking stem and leaves but there are no radishes growing. They have been growing for over 2 months now. Any suggestions?
23 Apr 12, kate (Australia - cool/mountain climate)
I have to say I have had the best month for growing Radish this year! All of them have been a success and It's amazing. Soooo happy! I would love to add photos to show everyone!
04 Jan 12, Val (Australia - cool/mountain climate)
I cannot grow radishes, carrots or parsnips. Tops look great, but nothing below the soil. What type of soil should I concentrate on, type of fertiliser etc. I have fluid off the worm farm, is this ok to use.
12 Jan 12, kate (Australia - cool/mountain climate)
Hi! I had the same problem with just putting the radish seeds in the ground. I found it easier to germinate them first. I put the seeds into a wet tissue and then popped it into a ziplock bag until they germinated. Once they germinated (6-10 days), I put them into my soil and VOILA.... growing very well! This trick can be used for all seeds! Let me know how you find this.. Kate
02 Jul 12, Ash (Australia - temperate climate)
This was the same problem with me too last year. Then i notised that few plants with no shadow whole day grows well down under and lots of plants with shadow for even a short time in a day also remain smaller raddish. So this year i planted all under full sun and all good now.
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Hi! I had the same problem with just putting the radish seeds in the ground. I found it easier to germinate them first. I put the seeds into a wet tissue and then popped it into a ziplock bag until they germinated. Once they germinated (6-10 days), I put them into my soil and VOILA.... growing very well! This trick can be used for all seeds! Let me know how you find this.. Kate

- kate


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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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