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, ...

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 ...

Wondering if all the talk about using eggshells in your garden is all it's cracked up to be? Wondering if all the talk about using eggshells in your garden is all it's cracked up to be? Egg shells ...