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Can Coffee Grounds Be Composted?

If you drink coffee regularly, you likely dump a lot of coffee grounds. Although this kind of waste does not cause any harm to the environment, you can make better use of coffee grounds by recycling them. One of the best ways of recycling used coffee grounds is by using them in your garden. Coffee grounds are beneficial to the garden when sprinkled in small amounts around acid-loving plants. But can coffee grounds be composted? Read on to find out.

man using coffee grounds as compost

The Basics of a Compost Pile

You have often heard farmers, gardeners, and homeowners talk about composting. Composting refers to the process of recycling waste organic matter such as food scraps and leaves to make organic fertilizer. Thus, a compost pile comprises food waste and plant scraps.

Essentially, composting is a great way of adding nutrients to the soil. Also, composting reduces the environmental impact of waste matter. There are several waste products you can compost. One of the best waste products you can include in your compost is coffee grounds. A well-prepared compost is rich in essential nutrients and vegetation that attracts beneficial earthworms and soil microorganisms.

When your compost pile is ready, you can apply it to your garden to enhance the soil nutrient content for improved plant growth. Rather than tossing away coffee grounds and food scraps into the waste bin, compost them to nourish your garden.


Can Coffee Grounds Be Composted Answered

It is a great thing to add coffee grounds to your compost pile. As a regular coffee drinker with a home garden, always include used coffee grounds in your compost. Coffee grounds are among the easiest organic matter to compost. Besides, you do not have to buy fresh coffee grounds for this purpose. You will only recycle used grounds.

Although the extraction process of brewing coffee reduces the nutrient content in coffee grounds, a good amount of nutrients is still left behind. These nutrients enrich the soil as coffee grounds decompose over time, thereby boosting plant growth.

Most notably, coffee grounds contain a good amount of nitrogen. Nitrogen is a key component of fertilizers. It boosts the growth of green, leafy plants such as shrubs and lettuces. It also helps plants grow during the early stages of development. Besides, leaves require nitrogen to sustain their growth throughout the season.

When adding coffee grounds to your compost, you will just throw them into your compost pile. Then mix the contents thoroughly. You will not have to do any extra care to the compost. You will only need to turn the compost like you normally do. Some experts recommend keeping the compost moist. However, it is optional to do so.


Can You Compost Coffee Filters?

Many coffee lovers use coffee brewing methods that require paper coffee filters. But can you compost coffee filters alongside used coffee grounds? Yes, it is possible to recycle paper coffee filters in your compost. However, you should not add metal coffee filters to your compost.

Most paper filters are white. They are typically bleached. Some people argue that the bleach gets removed when brewing. Others claim the bleach remains on the coffee filter after brewing. If you have any concerns about the bleach leaching into the soil, use unbleached coffee filters.

Unbleached paper filters are more environmentally friendly. They do not have chemicals that can harm the environment. Unbleached filters are categorized as a brown compositing material due to their high carbon content.

The soil requires a nitrogen-carbon balance. Thus, adding coffee grounds and paper filters to your compost boosts the soil nutrient content further. Besides, paper filters increase oxygen levels and control unpleasant odors in a compost pile.

Regardless of the kind of paper filters you want to add to your compost, it is important to note that they take quite some time to break down. Thus, it is advisable to shred them into small pieces before adding them to your compost heap. Also, avoid adding too many paper filters at a go as they may cause a nutrient imbalance in the compost.



More homeowners are practicing farming in their home gardens to grow their own vegetables, fruits, and other plants. Composting is a great idea to improve the soil nutrient content as it makes it more fertile. As a coffee lover, you should add used coffee grounds to your compost to enrich it further. So can coffee grounds be composted? Yes, you can compost them. Also, you can compost paper coffee filters. Thus, do not throw away used coffee grounds and paper filters. Instead, recycle them by including them in your compost pile.


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