Greenhouse Gardening – How to Grow Radish?

Greenhouse Gardening – How to Grow Radish?

Sep 08, 2017 0 comments

The radish is a root vegetable belonging to the Brassicaceae family. This crunchy veggie is a component of many salads which is native to Europe. Although it now is grown in all parts of the world. Radish is pungent, juicy and sweet and is a great source of folate, fiber, potassium, manganese, magnesium, and calcium. Radishes are easy to grow in a greenhouse as long as you abide by the guideline below.


  • Plant the radishes about five weeks before the last frost date. However, ensure you work organic fertilizer or aged manure into the soil.
  • Sow the seeds about an inch into the soil spacing them an inch apart from each other in rows that are one foot apart. After the plants germinate, thin them so the plants are spaced 2 inches apart.

Tips and tricks

  • Ensure the greenhouse kits you buy affords the radishes adequate sunlight since shade conditions will encourage the plants to produce more leaves and little of the sweet edible roots.
  • Thinning the plants when they are a week old gives rise to the best roots.

Watering requirement

Radishes require adequate watering meaning the soils need to be wet but not waterlogged. Optimally, provide one inch of water every week.

Soil requirements

Radishes thrive in loose, well-drained soil that is rich in organic matter. It is helpful if the soil has less or no stones at all. The optimal pH for radish-growing soil should be 6.5 but the plant can stand soils with pH ranging from 6.0 to 7.0.

Lighting requirements

Radishes do well if they get at least six hours of full sun every day. They, however, are a cool weather plant and can tolerate some level of shade.


Some varieties of radishes mature as early three weeks after planting. To harvest, lift then root off the ground using a fork and cut off the leafy head.

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