A rinsed-out plastic milk jug with its lid makes a great container for this homemade plant food. Step 2: Add 1½ teaspoons of ...

“Frankly, I can’t tell you where I found this homemade plant food recipe. I have been making it for a couple of decades now from dried egg shells, banana peels, coffee grounds and Epsom salt.

Laurelle, a Canadian horticulturist known as The Plant Momma, shared her method for creating a homemade plant food rich in soluble calcium using eggshells. Mark Tripney, an agronomist with LKAB ...