Certain garden vegetables benefit from the addition of used coffee grounds to the soil. The grounds act as a soil amendment, providing nutrients like nitrogen, potassium, and phosphorus as they decompose. Tomatoes, blueberries, carrots, and radishes are examples of produce that often exhibit improved growth when coffee grounds are incorporated into their growing environment.
The practice of utilizing coffee grounds offers several advantages. It reduces waste by repurposing a readily available byproduct. The grounds also contribute to improved soil structure, enhancing drainage and aeration. Furthermore, the addition of organic matter from the grounds can attract beneficial earthworms, further enriching the soil. Historically, gardeners have recognized the value of organic amendments, with coffee grounds becoming a more recent, accessible option.