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Radishes are one of the quickest and easiest crops, adding bite to salads.

When to Sow

  • Sow Mar–Sep outdoors.
  • Sow under cover Oct–Mar for winter crops.

How to Grow

  • Sow thinly in rows 15cm apart.
  • Thin seedlings to 3cm apart.
  • Keep soil moist to prevent woody roots.

Harvesting

  • Harvest 4–6 weeks after sowing.
  • Pull roots when golf ball sized or smaller.

Polytunnel Growing Tips

  • Perfect for quick winter crops under cover.
  • Succession sow for continuous supply.

Quick Tips Recap

  • Sow: Mar–Sep outdoors, Oct–Mar in tunnel
  • Spacing: 3cm
  • Harvest: 4–6 weeks
  • Polytunnel advantage: Year-round cropping

EasyBuild: Design Your Polytunnel in Minutes!

Thinking of getting a polytunnel? Don’t just take our word for it, try the EasyBuild Configurator and compare for yourself.

We built EasyBuild to make polytunnel growing easier, tougher, and better value. Looks like it worked.

Crop Advice