How often should I put egg shells in my garden?

Author: Dorian Mante  |  Last update: Monday, February 16, 2026

It is advisable to crush and incorporate eggshells into your garden soil regularly, as they provide valuable calcium and minerals that benefit plant growth. Aim to scatter crushed eggshells around your garden every few weeks or as needed.

How often should I add eggshells to plants?

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.

Which plants don't like eggshells?

"Plants like strawberries, blueberries, kale, and cabbage prefer slightly acidic soil and adding in eggshells can do more harm than good," says Jen McDonald, certified organic gardener and co-founder of Garden Girls, a garden design company based in Houston, Texas.

Can you put too many eggshells in soil?

Eggshells take a lot longer to break down compared to many other compostable goods, and too many of them can increase the acidity of your compost. This shouldn't be a problem, unless you plan on using it to grow plants that prefer low soil pH.

Can I put eggshells directly in my garden?

As well as putting them on your compost heap, you can also add crushed eggshells in soil. Known as egg fertiliser, it's an inexpensive and often very effective way of enriching plants that are growing in pots or in the ground.

2 Min. Tip: How We Use Eggshells in Our Garden (Eggshell Calcium)

Do tomatoes like eggshells?

The calcium in the shells will strengthen the tomato plants, give you more buds (aka: tomatoes!) and sometimes even prevent blossom end rot – that brown disease that sometimes makes the bottom of your tomatoes brown and yucky!!

Should I rinse eggshells before composting?

You can put raw or cooked eggshells in compost, either washed or not, depending on how concerned you are about pests in your compost. You can put them in as is, but you will find that eggshells take a lot longer to break down in compost than other materials.

Can I mix coffee grounds and eggshells together for my garden?

Depending on the size of your garden, compile enough of each component to contribute a moderate amount to each hungry plant. Combine the two together, crush the eggshells by hand even more (which should be easier now that they're fully dry), and sprinkle the mixture across the soil bed.

Can I sprinkle Epsom salt around my plants?

Can I Just Sprinkle Epsom Salt on Plants? Never apply Epsom salt straight from the package. Always dilute the granules in water first, and either drench your plants' roots or spray it on the foliage. Don't spray on hot or sunny days, however, to avoid scorching the foliage.

How long does it take for an eggshell to decompose?

Once added the to compost bin, it will take them around 3 months to decompose. Ground eggshells give the best results for quick nutrient release being they take the shortest amount of time to breakdown. Eggshells are a great source of calcium.

What vegetables like egg shells?

It is beneficial to use egg shells when growing your own vegetables like tomato, pepper and aubergine or plants such as roses, hydrangeas, spider plants, ferns and ivy. Another way to add this homemade fertiliser to your plants is through a calcium solution.

Are coffee grounds good for plants?

Are coffee grounds good for plants? Coffee grounds are an excellent compost ingredient and are fine to apply directly onto the soil around most garden plants if used with care and moderation. Coffee grounds contain nutrients that plants use for growth.

Are banana peels good for plants?

Banana peels can be placed directly onto pot plant soil, or around the base of your garden as mulch. As they decompose, they will release nutrients into the soil to feed plants. If using banana peels in your garden, place a single layer straight on top of the soil, being sure not to let them touch the plant stem.

How do I know if my soil needs calcium?

Symptoms of calcium deficiency include stunted plant growth, leaf curling, dark leaf veins, weakened plants, and blossom-end rot in fruits. Fruit plants like tomatoes and peppers may develop dark, sunken areas in the fruit.

Are tea bags good for plants?

Tea Can Work As A Natural Fertilizer

As the tea leaves and bag begin to break down and decompose, they release nutrients into the soil that helps plants retain water and thrive. That said, you should use tea only on your plants that like acidic soil.

What does baking soda do for plants?

Prevent Fungal Disease

MAKE IT: Mix 1 teaspoon of baking soda and 2-3 drops of liquid soap in 1 liter of water. Spray the solution on the infected plants. Baking soda helps the plants become less acidic and prevents fungal growth.

How often should I put Epsom salt on my tomato plants?

As the tomato plant matures, you can work in one tablespoon of Ultra Epsom Salt per foot of plant height around the base of each tomato plant, or use the tank sprayer solution previously mentioned and spray plants every two weeks.

How do I know if my plants need magnesium?

Magnesium is needed to give leaves their green colour, so when there's a deficiency, yellow breaks through between the veins and around the leaf edges instead. Other colours, such as purple, brown or red, might also appear. Older leaves suffer first, and will die if they're not given any treatment.

Do tomatoes like coffee grounds?

Tomatoes thrive in loamy soils with good drainage and high organic matter content. Adding composted coffee grounds to planting beds is a great way to build healthy soil for tomato planting but won't provide all the required nutrients.

What happens if you put too much Epsom salt on plants?

Adding Epsom salts to soil that already has sufficient magnesium can actually harm your soil and plants, such as by inhibiting calcium uptake. Spraying Epsom salt solutions on plant leaves can cause leaf scorch. Excess magnesium can increase mineral contamination in water that percolates through soil.

Do I need to clean my eggs shells before putting them in garden?

Rinse the shells to remove egg residue. Lay shells evenly on a sheet pan. Bake at 400°F for 10 minutes to dry the shells.

Can I put tea bags in compost?

However, if you prefer tea from time to time, you've likely wondered if your used tea leaves and bags can be added to your composting pile, too. Composting tea bags is an environmentally-friendly practice that all tea drinkers should consider incorporating in their daily routines.

How long do banana peels take to compost?

You can do this, but it's a much better option to compost your banana peels than to apply them directly to your garden. For a start, the soil in your garden might not be properly aerated, in which case the decomposition of the peels will take a long time, sometimes up to two years.

Previous article
What is the technical name for a French drain?
Next article
How can I make my house smell good with carpet?