Next time you finish your morning coffee, think twice before throwing the grounds away. In the garden, it can still serve as a source of nitrogen, potassium, and other minerals that improve soil composition and promote plant development.
- Add coffee to a container of compost to enrich the fertilizer with nitrogen.
- If you pour coffee cake around the plants, it will serve as a barrier against slugs and snails.
- Cats don’t like the smell of coffee. Sprinkle it on the ground and they will stop digging in your garden.
- Roses, rhododendrons, holly, gardenias and other plants that prefer acidic soil will feel much better if you sprinkle coffee grounds around them. This will not only increase the acidity of the soil, but also the nutritional value of the soil.
- Dilute 1 part used ground coffee in 4 parts water and leave overnight. This is one of the easiest homemade fertilizers to make.
- Coffee grounds as a mulch will help control weed growth and maintain moisture in the soil on a hot day, which will be especially valuable for vegetable crops.
- Double the germination of radishes and carrots by mixing their seeds with ground coffee.