You may have heard of watermelon radish before, but do you know what exactly it is and how to grow it? Today we’ll show you how to grow watermelon radish, a super cool exotic vegetable that will be the talk of your neighborhood!

Watermelon radish is an heirloom variety of the Daikon radish and are a member of the mustard family, which include arugula and turnip. The name watermelon radish comes from the fact that once sliced into, they look a lot like a cross between a watermelon and a radish, but they differ in taste as they have a much milder flavor and are a bit less peppery in taste. Let’s keep reading to find out how to grow watermelon radish!

How to Grow Watermelon Radish in Your Garden

watermelon radish plant

Planting Watermelon Radish:

  • Purchase seeds from a reputable nursery or online. Watermelon radish seeds may be hard to find, but you’ll have no problem ordering from from an online seeds catalog.
  • Like radishes, watermelon radishes are just as easy to grow and very similar in planting and growing methods.
  • Plant anywhere from early to late spring, and give them about 65 days to mature.
  • You can plant every 2 weeks for a continuous harvest.
  • Plant seeds in well drained, fertile soil.
  • Soil must be sandy and rich in organic matter.
  • Before planting watermelon radish seeds, amend the soil with 2-4 inches of well composted organic matter and 2-4 cups of all purpose fertilizer (16-16-8 or 10-10-10) per 100 square feet. Work these into the top 6 inches of the soil.
  • Once soil temperatures have reached 40F (4C), you can sow the seeds directly into the ground.
  • Sow seeds in rich soil evenly spaced in rows 6 inches apart at a depth of 1/2 inch.
  • Tamp the soil down lightly and water the seeds in.
  • Once seedlings are 2 inches tall, thin them to 2 inches apart.

Care:

watermelon radish

  • As the radishes grow, water them regularly
  • Thin them as needed.
  • Harvest after about 65 days.
  • Watermelon radishes are very similar to growing regular radishes.

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Grow Watermelon Radish