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Growing Radish

(Raphanus stivas)

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(Best months for planting Radish in New Zealand - temperate regions)


  • Easy to grow.
  • Harvest in 40-50 days
  • Sow in garden. Sow seed at a depth approximately three times the diameter of the seed.
  • Best planted at soil temperatures between 8°C and 30°C.
  • Space plants: 3-5cm

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

06 Mar 09 Robert (Australia - temperate climate)
As a commercial grower of radish (primex), I always remember the advice given to me many years ago, that being to never fertilise radish. As radish is one of the fastest growing vegetables, too much fertiliser causes the leaves to outgrow the root. Long leaves have no shelf life, just look in your local supermarket. I actually apply a VERY light application of Nitrophoska Blue which gives the leaves a beautiful velvety texture. I pick the radish when they are the size of a ten cent piece and leaves about four inches long. One of the great pleasures of my life is washing the bunches of radish and packing them in boxes of thirty for sale knowing that some-one is going to enjoy eating them as much as I enjoy growing them.
21 Mar 09 Klaudia (Australia - temperate climate)
my radish leaves are turning yellow - what could be the reason?
17 Apr 09 Paul (Australia - temperate climate)
Interesting what Robert said. I even spoke to yates and they told me to go easy on the liquid fertiliser/Nitrogen and appy a sprinkle of Superphosphate between the rows but this has made no difference whatsoever. Are we justing getting crap seed growing stock these day?.............because I grew radish as a kid and never had these problems as I would just dig up the ground and stick seeds in and they would grow just fine. What about sunlight? Surely other people here with same problem can't have their garden in a spot that doesn't get enough sun!?
29 May 09 Stefan (United Kingdom - temperate/cool climate)
Maybe a tip from the Bavarians: slice the radish thinly and sprinkle with salt. This will neutralise the bitter taste, and the salt will wash out with the liquid. You will need about a tea spoon of salt per 300mm (=foot) of radish. The connoisseur will do ONE spiral cut along the whole length of the radish with about 1mm pitch.
02 Sep 09 dan (United Kingdom - temperate/cool climate)
How long does it take for radishes to seed?
04 Oct 09 Jeremy (Australia - sub-tropical climate)
As a good story about radish.... I live in south-west Brisbane... planted in early August and thinned out 3 weeks later... they were ready in another 3 weeks. Originally put blood and bone in well turned soil, kept them well watered. I still found some of them split though but not sure why but the rest were huge. Pity I don't eat them, gave most away and the rest went on the compost heap.
30 Oct 09 Bushra (Australia - temperate climate)
I planted radishes a few weeks ago and the seeds started to break through pretty much immediately. They have now refused to come out properly. I can see a little bit of withered leaves almost in the ground. What am I doing wrong?
02 Nov 09 Pia (Australia - sub-tropical climate)
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.
22 Jan 10 Chris (Australia - temperate climate)
my radishes seem to grow with the roots above the surface. The ground is a clay but I have it quite loose with some organic matter. would it be best to leave them as they are or to build the soil up around the base of each plant?
27 Feb 10 Carol (Australia - temperate climate)
Hello, My name is Carol. I am the wife of a farmer, J.Thompson, we grow all different types of fruits and veg, we grow a lot of carrots, tomatoes, snow peas and radish. All those rules and tips are nothing like the real deal. Basically depending on the type of radish, you use sufficent fertilizer, you dig a hole, place your seeds about 3-5cm apart (they need room to grow!) and give them 600mLs of water everyday. After about 2 weeks you should be finding some results. If nothing has changed and there is still no signs of radish, it is a dodgy brand of seeds, you are not giving it enough sunlight, it is just a dodgy seed or you need to take better care of it. THAT is the real deal. Do not believe any of that scientific stuff! it is just nature. Thankyou I hope your radish grow successfully.

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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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