Should you wash egg shells before putting them in plants?

Author: Ms. Eloisa Reilly MD  |  Last update: Wednesday, January 14, 2026

Crush your eggshells into a fine powder. To stop wild animals from smelling the echoes of raw eggs on your plants, give your eggshells a quick wash first. Add the crushed shells to a pan of boiling water, using about 10-20 eggs per 4.5 litres of water. The more eggshells you use, the stronger the fertiliser will be.

How do you prepare egg shells for planting?

Place a dozen or two eggshells in cooking pot, add a gallon of water, and bring to a boil. Remove from heat and let the mixture sit overnight. Remove the eggshells from the water the next day and use that eggshell tea to water plants. (And save the water in which you make hard boiled eggs for the same purpose!)

Do you wash eggshells before putting in the garden?

Again... unless you are in the position that you current have said jam packed jar of eggshells skip the washing step. Fishing out loads of eggshell pieces and then trying to get them somewhat dry was a nightmare. This is why I suggest giving the eggshells a quick rinse before popping them in the jar.

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.

Which plants benefit from 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.

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Can you add too many egg shells to 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 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.

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 egg shells soaked in water good for plants?

Gardeners say that eggshells work especially well for tomato plants to help eliminate blossom end rot, and with cabbage to help reduce tip burn. For watering plants : You can create homemade calcium water by soaking dried eggshells in water for a few days.

Can I bury old eggs in the garden?

Many gardeners use eggs in the garden to boost soil nutrients. Try putting eggshells in your compost. You can also plant eggshells or a whole egg in the hole before planting tomato plants.

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!!

How to wash egg shells?

Warm to hot water causes the egg contents to expand which helps prevent bacteria from being pulled in through the pores. Colder temperatures will cause egg contents to contract and pull in any bacteria on the shell surface. Wash off any visible contamination.

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 there any plants that don't like coffee grounds?

What Plants Don't Like Coffee Grounds? Knowing that most coffee grounds are acid-leaning, don't use fresh coffee grounds on plants that prefer alkaline soil. This includes asparagus, campanula, salvia, achillea and Mediterranean herbs like lavender, thyme and rosemary.

How to use banana peels 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.

Are tea bags good for plants?

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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 is the best fertilizer for garden plants?

Most vegetables will do best with a balanced fertilizer—something like 6-6-6. But there are some exceptions. Leafy vegetables may need only nitrogen to grow large, tender foliage, and root crops such as sweet potatoes, potatoes, beets, carrots, and turnips often benefit from an extra dose of potassium.

What plants do best with egg shells?

Fertilisers made from eggshells are good for plants like tomatoes, aubergines and strawberries. In other words, anything that bears fruit (that includes these fruits). Most flowers will also benefit, as will many succulents (just don't overwater them).

How often should I put coffee grounds on my tomato plants?

How often can I put coffee grounds on my tomato plants? A sprinkling of coffee grounds mixed into the soil before planting tomatoes will not harm the plants. However, no additional coffee grounds should be added to the soil during the growing season.

Is milk good for plants?

Milk contains some components that can potentially benefit plants. Diluting milk with water and using it as a fertilizer may provide plants with an additional source of nutrients, encouraging plant growth and keeping the plant healthy and disease resistant. These nutrients include proteins, carbohydrates, and calcium.

What does adding eggshells to soil do?

Eggshells contain lots of calcium and other nutrients plants need. If you use a worm bin to compost, ground eggshell can also help your worms digest the other food scraps in the bin. Worms, like chickens, use grit to help grind up their food, and ground eggshell works well for this purpose.

Can I just sprinkle coffee grounds on plants?

Coffee grounds can most certainly be added to your compost and also directly to your soil. Instead of simply tossing them out though, you may wish to incorporate them a bit more thoroughly by digging them in.

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.

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