There’s nothing like eating veggies you grew in your own garden. But gardening is a big investment: there’s the daily watering, the careful pest control, and the delicate process of keeping the soil chemistry just right. The internet is full of ways you can make gardening easier and cheaper, but some methods are too good to be true. No matter what the gardening blogs tell you, leave the spent coffee grounds alone. They’re bad news for your garden.
