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How to use Eggshells in the Container Garden as fertiliser

Updated: Sep 13

Needless to say, eggs are an excellent source of protein for the human body. They have numerous health benefits, so most nutritionists recommend consuming eggs regularly.


However, many people think that eggshells are the most useless thing out there. Yet, they do not know that even eggshells have benefits. For instance, eggshells are great fertilisers, especially if you grow plants in containers or pots.




Everyone loves to have a small garden in their house, even if they do not have the space. So, most people use pots, containers, etc., as a substitute for actual gardening. They are indeed space-efficient. Likewise, eggshells are really cost-effective fertilisers at home. While potassium, phosphorus, and nitrogen are essential for plant growth, calcium is also vital as it helps build the cell walls of the plant. So, eggshells are wonderful sources of calcium carbonate that can help your container garden thrive.


How to prepare eggshells for your container


Here is how you can tactfully prepare eggshells to make the fertiliser for your container garden’s soil.


1. Baking the eggshells is an ideal first step.


Try to bake your eggshells in the oven. It will help get rid of moisture by drying them out completely, especially the membranes on the insides of the eggshells. You can easily spread the eggshells on a cookie sheet and heat them at a low temperature of around 250-280 degrees for an hour or so. Afterwards, bring them out and let them dry.


2. Crushing and grinding the eggshells is important.


It's pretty straightforward to throw the baked eggshells into your blender and grind them into fine powder. However, if you are the type of person who enjoys bursting bubbles, you can use a spoon crush the eggshells into smaller pieces. Or put them in a pestle and mortar like I do.


Either way, once you're done, you can store them in a jar until you are ready to use them.





How to use the eggshells as a fertiliser for your garden


After you've prepared the eggshells by baking and crushing them, you can use them in various ways in your gardens. For instance, you can use eggshells whenever you plant tomatoes and peppers in your garden.


Tomatoes love calcium while they grow. So, you should add 1 tablespoon of eggshells and 1 tablespoon of Epsom salt whenever you are planting your plants in your container garden. This calcium-enriched, homemade fertiliser is also a great way to keep slugs and snails away from your container garden.


Additionally, you can directly mix it with your compost. This will allow the addition of magnesium and calcium in your compost. Even though breaking and crushing eggshells is not necessary if you choose to use it with compost, it will definitely quicken the process.


Also, if your household regularly consumes eggs, then you will have lots of eggshells at your disposal. So, you will never run out of stock. Plus, if you have too much, you can always feed them to birds or chicken out there.



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