How to Use Eggshells as Fertilizer: 5 Tried-and-True Tips and Tricks

Egg shells are a popular folk remedy, which is often used by vegetable gardeners and gardeners as a fertilizer for plants. The shells contain a high concentration of calcium carbonate and large amounts of potassium, magnesium, silicon, phosphorus, and other useful substances.

How to make fertilizer from the eggshells

Eggshell fertilization is necessary for the following crops:

  • Solanaceous: potatoes, tomatoes, peppers, eggplants;
  • Cabbage: broccoli, kohlrabi, white cabbage, cauliflower
  • Legumes: beans, peas;
  • pumpkins: cucumbers, zucchini, pâtissoni, pumpkin;
  • root crops: carrots, radishes, beets;
  • Onions and greens: salads, onions, dill.

Eggshells decompose in the soil and give useful substances to plants gradually and for a long time. To use it as a fertilizer, grind it and scatter it in a dense layer over the beds, and then, digging it into the soil.

Remember: the finer the grinding of the shells – the faster it will begin to be useful.

Eggshells from pests

Additionally, such a folk remedy helps to get rid of the “mole”, “black leg”, slugs, or snails – annoying garden pests. An effective remedy is simple: you need to grind the shells, mix them with vegetable oil and bury them in between the rows.

By the way, eggshells are also effective against Colorado potato beetles – you just need to sprinkle plants that have suffered from pests with flour from the eggshells. In a few days, the intruders will drop dead.

Is it possible to mulch with eggshells?

The third option for the care of the vegetable garden is to use eggshells as mulch. It is especially effective for berry bushes. In order to be effective, it is not necessary to grind the eggshells into flour – break them into several pieces.

Such mulch will not take long to decompose and will protect the soil from drying out, plants – from pests, and the garden from weeds.

Eggshells as fertilizer for house flowers

From the eggshells you can prepare an excellent infusion – it will help accelerate the growth of houseplants and strengthen their stems.

You need to take the shells of raw eggs, wash them thoroughly, put them in a deep container (you can take a jar) pour water, close the lid, and insist for 4-5 days, remembering to shake the contents once a day. In the end, you will see that there was foam on the surface, and the infusion itself has a slightly unpleasant smell. This is how it should be – the intensity of the smell depends on how well the eggs have been washed.

Dilute the infusion with warm water in a ratio of 1:1 and water the houseplants.

Using eggshells for seedlings

Many experienced gardeners add eggshell flour to the pots with seedlings – where the seeds have already been sown. Cover the top with soil and wait – the calcium in the shells will activate the germination of seeds and help future plants to be stronger. Some craftsmen even manage to use eggshell halves instead of containers for seedlings.

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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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