Can you really use coffee grounds fertilize the plants in your backyard? Experts explain the pros, and the one big risk

The powers of caffeine are praised for their effects on the human body, but did you know that coffee can do wonders for plants in our backyard, too? That’s right, it’s time to stop throwing the ground bi-product of those now ubiquitous coffee machines away. Instead, you can use them to boost the growth of your garden.

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