Eggshells are a popular folk method for growing healthy, vigorous garden plants like tomatoes. But is there any proof to back up those benefits? Here's a look at whether eggshells are good for plants, ...

Gardener with basket of egg shells spreading crushed shells around tomato plant - VH-studio/Shutterstock A quality eggshell contains about 2.2 grams of calcium carbonate, the compound that gives them ...

A pile of compost with vegetable scraps and eggshells - GBJSTOCK/Shutterstock If you're a big breakfast eater, you probably go through a ton of eggshells. But, of all the different ways to use ...

Tomato plants can be a little dramatic, and they are strict about their requirements: water, sun, and calcium. If they don't get enough of any of them, you'll know about it and fast. But there is a ...

A quality eggshell contains about 2.2 grams of calcium carbonate, the compound that gives them their strength. Eggshells also contain lesser amounts of magnesium, phosphorus, iron, copper, and ...