Radishes are a vegetable that you can harvest in the fourth week of sowing. It means it’s quick and easy to get results when you are growing radishes. Furthermore, children seem to love growing them as they are so quick to grow from seeds, whether in the veg plot or space set aside for your children to learn all about growing vegetables.

There is nothing more visually encouraging than seeing seeds popping up through the soil, then actually turning into something that you can eat after it has had a quick wash. From soil to mouth, so to speak! (Be careful, though. There are some very hot varieties. I recently grew a variety called Candle of Fire, and they were so hot, they almost burnt my mouth).

The best thing about radishes is that you can grow them even in the smallest space. So, you can also grow them to fill the gaps in your garden.  

Sowing Radishes

Before you know the procedure to sow the radishes, answer me one question.

Do you want to enjoy radish throughout the summer? If yes, we would recommend sowing them in small batches. The good news is you can even get the crunchy taste of your salad in winter by sowing winter varieties. 

For getting a continuous radish crop, make sure you have provided consistent conditions to the crop. In a nutshell, stable conditions mean successive crops without any growth checks. 

When it comes down to what the best time to sow radishes is, you should sow the summer cultivars in March to mid-August. On the other hand, July and August is the time to sow the winter cultivars.

Here’re some instructions to sow the radish.

  • Sow the summer varieties in March to mid-August.
  • Sow the radish seeds outdoors on their growing location. You can sow the seeds in containers, ground, or growing bags.
  • Make short drills for sowing seeds. These drills must be ½ inches deep.
  • Ensure a distance of 1 -2 inches between these drills. 
  • Sow the seeds in February if you want to have an earlier crop. However, earlier crops demand pre-warmed soil.
  • Cover the earlier crops with cloches.
  • Space the seeds of inter cultivars 9 inches apart. Moreover, make sure the rows are 6 inches apart. 

Growing Radishes

  • Thin out the plants only if you have not optimised the distance between the seeds. If you don’t know how apart your radish seeds need to be, let me tell you. The summer cultivars should be at least 1 inch apart, and winter cultivars should be at least 5 inches apart.
  • Ensure the soil is moist for fast germination.
  • Water the plants regularly in hot, dry summers.

It is not hard to grow radishes at all. Besides, they don’t need much time to get mature. Therefore, you can grow them as a catch crop in empty spaces between slow-growing vegetables such as potatoes and peas.


Harvesting Radishes

You can harvest the summer radishes after the fourth week of their germination.

Harvest your radishes as soon as they are young. Otherwise, they would become woody, and you would not be able to eat them. The perfect time to harvest the radishes is when they are 1 inch or so in diameter.

On the other hand, you can pick the winter radishes in November. You can also store them for after use.

Common problems

Flea beetle

Flea beetle covers the whole plant and leaves holes in them. Consequently, the infected areas will become brown. Seedlings are most vulnerable to flea beetle.


· Cover the plants with fleece during their growing stages

· Apply some nitrogen-rich fertiliser and water the plants. It will increase the plants’ capacity to grow.  

Slugs and snails

These eat young seedlings, leaving a slime trail in the soil around your crop and on leaves.


You can use biocontrols, copper tape, sawdust, and beer traps to control the slugs and snails.

Take a look at Bon Appetit for almost 50 ways to use radishes!

There are dozens of radishes.

Here are some summer radish seeds:

Some winter radish seeds:

For more information or assistance with this article, or if you want to add something that you feel is relevant, we would love to hear from you via the Contact Us page.

07/30/2021 | Vegetables | 0 Comments

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