How do you use eggshells in plants?
Rachel Ellis
Published Jan 23, 2026
Eggshells as all natural plant fertilizer
Which plants like egg shells?
Which Plants Like Eggshells
- Tomato. Botanical Name: Solanum lycopersicum. Tomatoes thrive in nitrogen-rich soil, and eggshells help the soil to enrich with nitrogen and other minerals.
- Pepper.
- Eggplant.
- Broccoli.
- Spinach.
- Swiss Chard.
- Lettuce.
- Marigold.
How do you apply eggshells to plants?
To prep the eggshells, grind with a mixer, grinder, or mortar and pestle and till them into the soil. Because it takes several months for eggshells to break down and be absorbed by a plant's roots, it is recommended that they be tilled into the soil in fall. More shells can be mixed into your soil in the spring.
Can you put eggshells in potted plants?
Fertilize Potted Plants with Eggshells
Just like in the garden, finely crushed eggshells provide an organic source of nutrition for houseplants, patio pots and hanging planters. Sprinkle the pulverized shells on the soil surface and they will break down over time.
Do you wash eggshells before composting?
While you don't need to crush eggshells before composting them, doing so will speed up how fast the eggshells break down in the compost. You also may want to consider washing your eggshells before composting them so that you do not attract animals, as well as reducing the slight risk of disease which raw eggs pose.
25 related questions foundAre eggshells good for flowering plants?
It turns out eggshells impart vital nutrients to soil, particularly calcium and potassium. Fast-growing plants deplete the soil of calcium very quickly, so giving them a source of new calcium helps. Egg shells make a fantastic fertilizer for outdoor flowers, vegetables and fruit trees.
Are eggshells good fertilizer for plants?
Egg shells will add small amounts of calcium, potassium, a bit of sodium, but not enough to harm the plants, phosphorous and magnesium. They don't provide all the nutrients a plant needs but could be used as a supplement to your regular fertilizing regime.
What flowers look like eggshells?
Crops that attract snails such as basil, cabbage, lettuce, marigolds and strawberries will certainly benefit from a sprinkle of eggshells onto their soil. Plants that tend to like coffee grounds include hydrangeas, gardenias, azaleas, lilies, ferns, camellias and roses.
How do you store egg shells in the garden?
Each time you crack an egg open, instead of tossing the shell into the trash, drop it into an open container that you keep in the fridge. I've always saved my shells, but my friend Susan suggested keeping them in the fridge; it works beautifully. The cold air in the refrigerator helps to dry them out.
Do eggshells attract rats?
Eggshells are also said to attract rats they differ from the other materials that are normally composted having a high mineral content rather than being wholly organic. Therefore, they are a good source of calcium, on average 2.2 grams for each dry eggshell.
What can you do with leftover egg shells?
30+ Things to Do with Eggshells
- Feed them to your chickens. ...
- Use the shell's membrane as an all-natural bandage. ...
- Boil the eggshells in your coffee. ...
- Sprinkle the eggshells around your garden to deter pests. ...
- Give your tomatoes a calcium boost. ...
- Eat them. ...
- Use eggshells to start seedlings. ...
- Toss them in the compost pile.
Do crushed eggshells help plants?
The calcium from eggshells is also welcome in garden soil, where it moderates soil acidity while providing nutrients for plants. Eggshells contain such an abundance of calcium that they can be used almost like lime, though you would need a lot of eggshells to make a measurable impact.
Which plants like boiled egg water?
Here's Why You Should Be Saving the Water From Hard-Boiled Eggs
- Succulents. SUN-E SE amazon.com. ...
- Fiddle-Leaf Fig. Costa Farms amazon.com. ...
- Snake Plant. Costa Farms amazon.com. ...
- Red Bromeliad. Costa Farms amazon.com. ...
- Succulents Collection. Shop Succulents amazon.com. ...
- Golden Pothos. ...
- Gardenia Bush. ...
- Rosemary Plant.
How do I use old eggs in my garden?
The solution to a thriving plant may be as simple as planting a raw egg. As you prepare your pots with soil, simply include a raw egg at the bottom. Over time the egg will decompose and will work as a natural fertilizer for the seedlings. You can also use a crushed egg which works just as good as a whole egg.
How do you boil eggshells for plants?
Boil a gallon of water, and then add 10 clean and dry eggshells to it. For a stronger brew, add the shells of up to 20 eggs. Let the shells sit in the water overnight, and then strain the water. Pour the concentrate directly onto the soil to give plants a boost of calcium and potassium.
Can you use hard boiled eggshells in your garden?
Adding Eggshell water to your plants is a great way of supplementing much-needed calcium to the soil. When prepared by boiling, the eggshells release calcium in a soluble form into the water. Eggshell water can be used to water plants because it provides the plant with calcium mineral and amino acids.
How long do you boil eggshells for plants?
Boil crushed eggshells in a gallon of water and let them sit for 24 hours. This will give enough time to the plant nutrients available in shells to infuse in the water. After that, strain the water, and it's ready to use!
Do houseplants like eggshells?
Indoor Plant Care Considerations
Eggshells are an effective way to feed your indoor plants with calcium, but most houseplants need additional fertilization with nitrogen, potassium, phosphorus and other nutrients. Many fertilizers formulated for indoor plants may contain calcium.
What flowers benefit from eggshells?
For plants prone to damage by slugs and snails, such as tomatoes and marigolds, eggshells are a good line of defense. A layer of roughly crushed eggshells encircling plants is a deadly barrier to these hungry pests, as their soft bodies are eviscerated by the jagged edges.
How long does it take for an eggshell to decompose?
How long does it take for an eggshell to decompose? Eggshells take more than 3 years to break down. In an eggshell decomposition study, the outer shell was found intact after a year underground. On the same, and after three years under the soil, there are no signs of decomposition.
How do you crush eggshells into powder?
Spread the shells on a baking sheet. Bake at 225F for 20 minutes to dry them out. Using a coffee or spice grinder, grind the shells to a very fine powder. You can also use a blender for this, but I find that a coffee grinder makes the finest powder, so you don't have any large eggshell pieces in your smoothie.
Can you burn eggshells?
Burning eggshells is a surprisingly widespread practice. Eggshells are a valuable source of calcium and are found on archaeological sites around the world. When you put eggshells in the fireplace, they undergo chemical changes, making them a valuable nutritive addition to wood ash when used as fertilizer.
Do eggshells keep ants away?
egg shells are a natural ant repelent,and will repel them from your plants to keep thhem from eating them. after making an egg save the egg shells and rinse them off,crumble them and put them around the stem of your plants.
Do eggshells attract snakes?
Therefore, one great way to deter garden snakes is to add a top layer of a rough, sharp mulch to your garden beds that they'll find uninviting. Use natural materials, such as pine cones, sharp rocks, eggshells, or holly leaves, and lay out a surface that no snake would choose to slither across.
What animals are attracted to egg shells?
Birds help control insect pests in your garden, so it's a good idea to invite them over! Bird Watcher's Digest suggests spreading pieces of clean, dried eggshells around your yard. You could mix them with birdseed, as well. Birds, especially females after laying their eggs, are attracted to the calcium supply.