Using Eggshells for Fertilizer in the Garden

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Using eggshells for fertilizer can be a game-changer. Eggshells will add calcium and other nutrients that your plants can benefit from.

There are many benefits to using eggshells in the garden, so why throw them away when you can put them to good use.

Using eggshells for fertilizer in the garden is a quick and easy way to add calcium and other nutrients to your plants.

First, let’s discuss the benefits of eggshells.

The eggshell is made primarily from calcium carbonate, the chemical compound that makes up many seashells, chalk, and limestone.

The eggshell also contains small amounts of Iron, Zinc, magnesium, sulfur, and a few other elements. The nutrients of the eggshell will lower the acidity of the soil in the garden.

Some plants prefer a lower acid level in the soil. Using eggshells will create the ph levels to be more alkaline than acidic.

eggshells for fertilizer
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Eggshells help to discourage blossom-end rot.

Certain plants, like tomato plants, can develop black spots on the ends of their fruit due to calcium deficiency. Adding calcium from eggshell fertilizer can help these plants thrive.

The eggshell shells help create strong roots, which come from the calcium carbonate in the eggshell.

Here are some of the plants in the garden that particularly like eggshell fertilizer.

  1. Tomatoes
  2. Peppers
  3. Broccoli
  4. Eggplant
  5. Spinach
  6. Lettuce
  7. Marigolds
  8. Forsythia
  9. Crocus
  10. Buddleia (butterfly bush)
  11. Lilacs
  12. Clematis
Eggshells for fertilizer

Start to collect your eggshells.

First, you want to make sure your eggshells are clean and dry. Then, lay them out in the sun to dry them well.

Next, you will want to crush them as small pieces as possible. I place my shells in a large baggie and then use a rolling pin to crush them. You want to create more like a powder if you can.

Eggshells for fertilizer

You can also use a coffee grinder or food processor to crush the eggshells.

Now you can mix these eggshells directly into the soil if you like, or you can make an eggshell tea to fertilize your plants.

To make the tea, boil a gallon of water and add the grinds of approx. Twenty eggs to the water. Let this steep overnight. You can then strain the eggshells (so you can reuse them) or pour the tea onto your plants with the eggshells in them.

I pour one ½-2 cups per plant.

Eggshell fertilizer

I like to provide my plants with eggshells once a month to promote growth throughout the growing season.

If you are planting new plants, eggshells are an excellent starter fertilizer. Place a teaspoon of the eggshells into the hole before planting a new plant.

Eggshells for fertilizer in the garden will also help ward off unwanted pests such as snails, slugs, Japanese beetles, etc.

I like to provide my plants with eggshells once a month to promote growth throughout the growing season.

If you are planting new plants, eggshells are a great starter. Place a teaspoon of the eggshells into the hole before planting a new plant.

Eggshells in the garden will also help ward off unwanted pests such as snails, slugs, Japanese beetles, etc.

Eggshells also make for great seed starters.

Just drill a small hole in the bottom for drainage and add a small amount of soil and your seeds.

Use an egg carton to support the eggs.

Eggshell fertilizer

If you love gardening as I do, you will want to check out my post on ten tips for beautiful roses or how to make the most amazing DIY water fountain.

From Antique Farm Disc to Amazing Water Fountain

And don’t forget to add a few custom tool planters to your garden this year.

Vintage garden tool planters

Here’s to happy days in the garden!

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2 Comments

  1. Love this fabulous idea, my friend.

    • wendy says:

      Thank you Kim, it is a wonderful way to give a little extra calcium. Your garden is sure looking amazing.

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