Don't toss the dregs of your morning brew into the trash just yet-you can apply used tea leaves and coffee grounds in your garden by adding them to your compost pile and using the compost as mulch.

You can also mix your erstwhile caffeine fix in the ground in moderate amounts to let the nutrients enrich the soil surrounding acid-loving plants such as azaleas, rhododendrons, and blueberry shrubs. ::Martha Stewart Living

Difficulty level: Easy