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, ...

Using calcium for tomato plants might be the best way to enjoy huge yields and sweet, juicy fruit. Calcium is often touted as a cure-all for blossom end rot, but it has a more significant role to play ...