The 5 Best Greenhouse Plants for the Winter: Protect and Fertilize the Soil, Improve The Harvest

Seders enrich the soil with useful substances and increase the yield of vegetables. Seders are plants that are sown on the plot after the harvest and mowed in the spring. Over the winter, these plants fill the soil with nutrients, protect the soil from frost and pests, and increase next year’s yields.

The benefits of green manure for the vegetable garden

  • Siderates prevent soil from freezing in frosts and being eroded by rain.
  • Prevent the growth of weeds.
  • Increase the fertility of the soil.
  • Repel pests and slugs.
  • Prevent the spread of rot, scab, and other plant diseases.
  • Make the soil loose and light.
  • Makes excellent mulch after mowing

White mustard

This site well withstands frosts and protects seedbeds from freezing. White mustard repels slugs, wireworms, and other pests from the site. Fills the soil with sulfur and protects future crops from rot.

Suitable for beds where potatoes will be planted.

Winter vetch

This pretty crop enriches heavy soil with nitrogen. Vetch repels snails and fights weeds. Suitable for heavy soils and beds for cabbage. Not suitable for acidic and dry soils.

Winter rye

Winter rye is not only a useful green manure but also a good material for household flour. Over the winter, rye enriches the soil with nitrogen, potassium, and minerals, fills the soil with moisture, and repels pests. Rye withstands winter frosts well.

Suitable for potato, pumpkin, and tomato plots.


This site is not afraid of frosts and deeply nourishes the soil due to its long roots. Lupine deters vegetable pests and reduces soil acidity.

Suitable for beds for peppers, eggplant, cucumbers, potatoes, tobacco, and tomatoes.


A very nutritious green manure that fertilizes the soil with nitrogen and organic matter just as well as manure. Clover can be sown in place of winter rye. Mow it 2 weeks before sowing the new crop. After mowing the clover, it is desirable to recultivate the soil from above, so that the clover does not grow on the plot in summer as a weed.

Suitable for beds for tomatoes, cucumbers, and pumpkins.

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Written by Emma Miller

I am a registered dietitian nutritionist and own a private nutrition practice, where I provide one-on-one nutritional counseling to patients. I specialize in chronic disease prevention/ management, vegan/ vegetarian nutrition, pre-natal/ postpartum nutrition, wellness coaching, medical nutrition therapy, and weight management.

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