The coffee can help plants grow, improve the quality of soil and preserve it from the possible hazards.
Due to small quantities of Nitrogen and its pH value, the coffee is a secret weapon for growing beautiful roses. It will make the soil lighter and it will protect your roses from pests. Also, you can mix the coffee directly with soil before planting or with compost. Mix one part of coffee with one part of dry leaves or some other material suitable for composting and use it as the natural fertilizer.