To help gardeners determine how much—and how often—to water, we tested some of the top soil moisture meters on the market. Find out which ones scored the highest in our hands-on tests.

For those of us who don’t like to get their hands dirty, this simple soil moisture tester quickly checks the state of their plants and how much attention they need. Recommended for all plant owners!

If your precious plants keep mysteriously dying no matter what you try, it might be time to invest in a soil moisture meter. These handy devices tell you when your plant needs more water, so you won't ...

After our report on a study giving insights into how to minimize the risk of toxic vegetables from urban gardens, TreeHugger reader Craig wrote to ask: I'm researching soil test kits - for pollution, ...