“Crush 12 eggshells and boil them in water. … “Strain, then water your plants.” If you really want to level-up your homemade plant fertilizer, try making compost tea. It uses eggshells, banana peels, coffee grounds, and other food waste.26 Mar 2021
Here are 8 of our favorite DIY fertilizers for a variety of needs.
Instructions
4 Jan 2022
A natural fertilizer relies on plant, mineral, and animal sources for its nutrients. Ingredients such as bone meal, blood meal, fish meal, manures, greensand, rock phosphate, alfalfa meal, kelp, and compost are common in natural fertilizers (more on some of these in a bit).
Fertilizer made from coffee grounds is another simple but effective fertilizer. It works wonders for acid-loving plants like roses, blueberries, tomatoes etc. To make it, soak about six cups of ground coffee in 5 gallons of water. Allow it to sit for 2-3 days and then saturate the soil around your plants.
Plants like tomatoes, peppers and eggplants in particular will benefit from shell fertilizer, Savio said. The extra calcium will help prevent blossom-end rot. … If you only have indoor garden space, eggshells can still give your plant babies a boost in the form of “eggshell tea.”
The Best Liquid Fertilizer
Shards of eggshell also can be used to keep certain pests out. If your plants suffer from snails or slugs, spread the crumbled shells on top of the soil around the base of the plants, making the barrier about two inches wide all around. Slimy creatures won't be able to get past the pointy bits.
Banana peels contain lots of nutrients, including potassium, phosphorus, magnesium and calcium—all of which are needed for good plant growth. Soaking the banana peels allows the nutrients to leech into the water, and once it hits the soil, the roots grab all those sweet, sweet minerals.