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 ...

Can you compost eggshells? The short answer, in case you don’t have time to go through this post is yes, you can compost egg shells to use in the garden. They are great source of calcium and break ...

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, ...