There are really many strategies and tips around that you're ", "I did not add egg shells in the planting hole I just spread it around the plants and worked into the soil. Specialist Paint & Treatments. Save eggshell halves, put some soil in them and use them to start seeds. Eggshells in my wormfarm only led to a wormnursery in the hollows! great for the garden? Just don’t expect them to perform miracles in the garden. No idea but it makes me feel better that I'm not trashing them! Eggshells, being calcium carbonate based, will dissolve in any mild acid – chemistry 101. The only way they add any nutrients to the compost is if you grind the eggs into an extremely very fine powder before adding them. Most soil in North America has plenty of calcium. Add eggshells to the bottom of garden containers and pots. ", "Yes, S erickson, you are good to go with your soil-ready eggshells. You just have to accompany them with some other nutrients. ", "Boiling water (as in using eggshells in coffee) should be more than enough to kill any germs. Lettuce, bell peppers and tomatoes give a good return on your investment. ", "Would it be useless to crush the same eggshells into a powder after I have steep the egg shells in hot water to make eggshell water? Many gardeners also tout the use of crushed eggshells as a snail and slug repellent. I think I will add them to my comfrey tea as well as my coffee grounds", "I started adding crushed eggs shells to the soil in my greenhouse borders where i grow tomatoes in 2013, and it was the first time NONE of my tomatoes got blossom end rot. because the eggshells will not decompose. For an exciting recycled garden cocktail, try mixing your eggshells with coffee grounds, which are rich in nitrogen. Almost weekly I see a post in social media extolling the benefits of adding eggshells to the garden. Chemistry works the same everywhere. And how some readers want the details to make the myths work. To cook 20 chicken egg shells, a little to RUB them in order, add 3 liters of water. This mill exceeded my expectation. Natural Weed Killers – Do Organic Herbicides Work? By the time they are well ground, it takes 150 eggshells to make a cup of coarse eggshell powder. It is apparently a great control for Japanese beetles. To feed egg shells to chickens, spread the eggshells on a baking tray and put them in the oven for 10 minutes at 350 degrees Fahrenheit until they get crumbly. They need a gritty element to their diet in order to gring and macerate their food. By the same token, finely crushed shells mixed with other organic matter at the bottom of a hole will help newly planted plants thrive. ", "Barbara, the calcium in eggshells releases slowly, so they are still of value to the soil after being steeped in hot water. One thing you state in your article seems to be an error – you say eggshells contain 50 ppm calcium. It would be a useful addition to post the safe level of sodium. Miracle-Gro Orchid Plant Food Mist – Huge Fertilizer Ripoff, Ginkgo Biloba Tree Myths – The Maidenhair Tree, Plants Don’t Produce Oxygen (O2) From Carbon Dioxide (CO2), Understanding Soil – A New Course Offered by Mother Earth News, Neem Oil Insecticide and Fungicide For Plants, Increasing Humidity for Indoor Plants – What Works and What Doesn’t, The Myth of Growing High Nutrient Density Food. An attempt has been made to fabricate nanohydroxyapatite (nHA) by chicken (CES) and duck eggshells (DES) as calcium carbonate source (CaCO 3). I have been referring the Master Gardener groups in Maryland to your site regularly. Bake the shells to sterilize them, crush them, and feed them to wild birds or chickens. I didn’t have to crush the egg shells down to grain size. The eggshells will add calcium to the soil in the containers, provide drainage and deter cutworms and slugs. so any saving in cutting time is balanced with weeding. ", "Tina, that thin membrane dries into flakes that naturally separate when the eggshells are crumbled into pieces. I am continually impressed with your work… and from some of the stuff I do for California Master Gardeners (Contra Costa County… SF Bay Area)… I know it’s a lot… and I like it and share it whenever and wherever I can… Why not reuse an organic waste product? 200g of dries plant for 10 liters of water fermented for 2-3 weeks (when it makes no bubbles it is ready) diluted 1:10 when watering and about the same for spraying the leaves. Would have to disagree on blossom end rot.. Placed two Tums Tablets for emergency calcium aside each plant after first set of fruit, all suffered end rot.. Second set was perfect.. Use eggshells for garden slug control, the sharp edges prevent slugs from taking over your garden. since egg shells are not really organic matter – they don’t contain carbon or much in the way of organic molecules – they won’t loosen soil. There is not any replacement for water, so don't believe you can drink soda instead. By the way, I usually let my dogs lick the egg white out and then pull out the "inner skin" of the egg shell which they seem to like very much. ", "Mike, several studies using eggshell powder as a calcium supplement have showed that bioavailability of the calcium in eggshells is as good as with dairy products, with far fewer contaminants compared to other natural calcium sources. And eventually they do decompose either in the compost pile or after the compost has been spread on the ground, adding whatever nutrients they have to the compost or the soil. Just because eggshells compost slowly does not mean they should not be added to a compost pile. You can then pulverize the dried eggshells using a mortar and pestle, or let a coffee grinder do the work for you. It won’t decompose quickly. Crushed eggshells works much like diatomaceous earth on these pests. That is all. “Food” probably increased the acidic level, while the eggshell powder helped to bring a more alkaline balance. I found this quote on line, “eggshells used as mulch provide a striking accent in the garden. I think that eggshells, once they are crushed, are a way of adding organic matter that helps to loosen otherwise heavy soil. I am raising Red Wiggler worms for the casting to use in my garden. Does anyone prefer to not rinse them? Check the science. (If you have difficulty using this form, please use our Contact Form to send us your comment, along with the title of this article. Finding this time consuming and laborious, plus the egg powder plugged up the lid making it hard to remove, I was trying to figure out an easier way.