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Growing Guide

Radish

Raphanus sativus

When to Sow: April to August or under glass from February and September

When to Harvest: 3-4 weeks after sowing

How to Sow:

  • Direct sow outside from April to August or
  • Sow under glass from February and September.
  • Grown in a well prepared fertile, moist, free draining seedbed in full sun or semi shade.
  • Sow thinly at a depth of 1cm (1/2”) in drills 15cm (6”) apart.
  • When large enough to handle thin out seedlings to 20mm (3/4”) apart.
  • Regular sowings made at four-week intervals will ensure a steady supply of radishes through the season. Radish plants are quick growing and can be used for intercropping between other slower growing vegetables such as parsnips.
  • Where space is limited, growing radish in patio containers will also produce a worthwhile crop.
  • Prevent radishes from running to seed by keeping them cool and well watered, particularly during dry hot periods. Excessive watering should also be avoided as this will encourage too much leaf growth.
  • Harvest 3-4 weeks after sowing when roots are a reasonable size.

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