After you brew your coffee, save those coffee grounds. Coffee grounds are very beneficial in the garden. Adding coffee grounds to your garden is a very inexpensive and eco-friendly way to add nutrients to your soil. After the coffee has been brewed, the acidic level is reduced however, the beneficial nutrients remain.
You can mix equal parts of coffee grounds and topsoil to create a potting mix. For your flower beds, simply sprinkle it straight on top. Take a handful and spread them onto the top of your soil. Don't apply too thick. Doing so could form a crust, making it difficult for water to absorbed into the soil.
Use coffee grounds as a fertilizer. Work them into the soil around your plants.
Coffee grounds also help to repel slugs and snails. Sprinkle the grounds around the base of the plants, this will deter them.