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Last Updated on April 23, 2024 by Kiersten James

Learn how to make an all natural DIY Eggshell Bone Meal to help add phosphorous and calcium into your garden soil.

DIY Eggshell Bone Meal

Let’s make our own DIY eggshell bone meal from something we all have on hand in our kitchen, egg shells.

Using kitchen scraps is an excellent way to replenish depleted nutrients into our garden soil, giving our plants exactly what they need to push out the harvest we desire at little or no cost.

This organic option acts as a slow release garden fertilizer.

Bone meal is a great source of phosphorus which will help establish root growth, seed production, allow plants to grow to their potential and balance out your soil amendments. Calcium will prevent blossom rot and increase tomato, zucchini and pepper yields in your garden.

Materials You May Need

  • Egg shells
  • Blender
  • Sheet pan
  • Oven 
  • Container

How to Make DIY Eggshell Bone Meal 

  1. Collect eggshells on your counter for a few days
  2. Lay them out on a sheet pan
  3. Heat oven to 200 degrees F
  4. Place in oven for 20 minutes or until completely dry
  5. Place dried shells in the blender
  6. Blend until they turn into a fine powder

How to Use DIY Eggshell Bone Meal

You can store the DIY eggshell bone meal into an airtight jar for later. To use right away, sprinkle on top of your soil around the base of your plants. Gently scratch into the soil making sure not to disturb the roots.

As you water, the powder will be pushed down to the roots where it will be absorbed.

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DIY Eggshell Bone Meal

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