Did you know that your coffee addiction can be shared with earthworms!?
Earthworms play a critical role in the health of our gardens. They aerate the soil and improve drainage, provide essential nutrients for plants, and attract birds into the garden. But did you know that incorporating coffee grounds into your gardening routine can maximize the benefits of earthworms in your garden?
In this blog, we'll explore the benefits of coffee grounds for earthworms and how to use them effectively to create a sustainable and healthy environment for your plants.
Benefits of Coffee Grounds for Earthworms
As we’ve discussed previously, coffee grounds are a rich source of nitrogen, phosphorus, and potassium, essential nutrients for plant growth. But did you know that they also provide several benefits to earthworms?
Earthworms just love eating coffee grounds! In fact, they will burrow past other food scraps to get to waste coffee grounds. The fine particle size of the coffee grounds enables worms to ingest them easily and the gritty texture once inside their guts helps them to grind down and digest other foods.
As the earthworm burrows through the soil, they create channels that improve soil structure and drainage and relieve soil compaction. They then excrete nutrient-rich castings containing nitrogen, phosphorous, magnesium, and calcium. These castings help to improve soil fertility and structure, which in turn benefits your plants.
So, by adding waste coffee grounds to your garden, you can increase the earthworm population. More earthworms mean healthier soil, which ultimately benefits your plants.
Remember, used coffee grounds have a slightly acidic pH and earthworms prefer a pH that is close to neutral (6-8). But, by using waste coffee grounds in moderation this will not have a negative impact on either your soil or earthworm population.
In our previous blog, we explained that waste coffee grounds make an excellent addition to your compost pile if mixed with ‘brown’ materials to create a balanced compost (ratio of around 1:4 respectively). The nitrogen from coffee grounds (and other ‘green’ components) creates heat which is needed to speed up decomposition by bacteria and fungi. The presence of coffee grounds, moisture and heat will attract earthworms, which in turn increases the rate of compost formation. If you don’t want to leave that entirely to nature, you can introduce worms into this environment yourself (called vermicomposting
Incorporating waste coffee grounds into your gardening routine can significantly benefit earthworms and ultimately improve the health of your plants. By maximizing the benefits of coffee grounds for earthworms, you can create a more sustainable and healthy environment for your plants and the earthworms that call your garden ‘home’.