Are Coffee Grounds Good For the Grass?

Coffee has become part of our everyday lifestyle. Some people cannot live without it. When we consume coffee, it energizes us and gets us ready for our day. Often filter coffee leaves behind used coffee grounds and can be messy to clean. This may cause you to wonder if coffee grounds are good for the grass?

In short, yes, coffee grounds are good for the grass! Just as the aroma and caffeine of a cup of Joe stimulate many of us, using coffee grounds on grass can also stimulate healthier turf. What is important to note is that it isn’t the caffeine that stimulates healthy grass growth, but rather the nitrogen, phosphorus and trace minerals that coffee grounds contain.

These minerals and nutrients are released slowly, which helps the grass to absorb all of the nutrients of the used coffee. In short, YES coffee grounds are good for the grass! Using coffee as fertilizer will have a positive effect on your grass. Now that you know that coffee can be a good fertilizer for your grass, you may wonder how to apply it.

Are Used Coffee Grounds Good For the Grass?

How to apply coffee grounds on your lawn?


You may start saving your own coffee grounds at home or ask a restaurant to start saving their used coffee for your lawn. How do you go about feeding your lawns with coffee grounds? You can adopt the lazy approach and throw your coffee grounds out over the lawn and let the worms have at them, but maybe a bit more effort is required. What is important to note is this…

Do not let the coffee grounds completely cover the grass sprigs (or shoots). Rake your coffee grounds over and make sure they are evenly spread over the lawn. Clumps and clusters of coffee grounds could go as far as staining your lawn.

Do not let the coffee grounds completely cover the grass sprigs (or shoots).

There you have it – it’s that simple. You may wonder if your coffee grounds could be used on your compost heap as a lovely fertilizer for your lawn. To summarize in short – YES. Composting with coffee is a great way to make use of something that would otherwise end up taking up space in a landfill. Composting coffee grounds helps to add nitrogen to your compost pile. To use coffee grounds as compost is as easy as throwing the used coffee grounds onto your compost pile.

Could Coffee Be Used as Fertilizer?

What is the difference between compost and fertilizer? The simplest way to distinguish between compost and fertilizer is to remember this: Compost feeds the soil and fertilizer feeds the plants. Fertilizer adds to the soil’s nutrient supply, but instead of feeding the soil food, the ingredients in fertilizers are intended to meet the needs of fast-growing plants.

Could coffee then be used as a fertilizer? Used coffee grounds for gardening does not end with compost. Many people choose to place coffee grounds straight onto the soil and use it as a fertilizer. The thing to keep in mind is while coffee grounds add nitrogen to your compost, they will not immediately add nitrogen to your soil.

The benefit of using coffee grounds as a fertilizer is that it adds organic material to the soil. This improves drainage, water retention and aeration in the soil. The used coffee grounds will also help microorganisms beneficial to plant growth thrive as well as attract earthworms.

What about Expired, Unused coffee?

Many people feel that coffee grounds lower the pH (or raise the acid level) of soil, which is good for acid-loving plants.  But this is only true for unwashed, unused coffee grounds. “Fresh coffee grounds are acidic. Used coffee grounds are neutral.” If you rinse your used coffee grounds, they will have a near-neutral pH of 6.5 and will not affect the acid levels of the soil.

Other coffee uses for your garden

Coffee doesn’t have to stop with your lawn, there are many other garden uses for used coffee grounds. Take a look at the list below.

  • Coffee grounds can be used as mulch for their plants.
  • It can be an aid to newly planted seeds.  Used coffee grounds provide a good fertilizer for newly planted seeds.
  • Used coffee grounds can be used to keep slugs and snails away from plants. The theory behind this is that the caffeine in coffee has a negative effect on these unwanted pests. These unwanted pests then tent to steer clear plants fertilized with coffee.
  • Some people claim that coffee is a cat repellent.
  • Coffee grounds can be used as outstanding worm food. Worms are very fond of coffee grounds.
Think again before throwing away your used coffee next time.

In Conclusion – Are coffee grounds good for the grass?

In short, yes, coffee grounds are good for the grass! Just as the aroma and caffeine of a cup of Joe in the morning stimulate many of us, using coffee grounds on grass can also stimulate healthier turf. What is important to note is that: It isn’t the caffeine that stimulates healthy grass growth, but rather the nitrogen, phosphorus and trace minerals that coffee grounds contain.

These minerals and nutrients are released slowly. This helps the grass to absorb all of the nutrients of the used coffee. In short, YES coffee grounds are good for the grass! Using coffee as fertilizer will have a positive effect on your grass.

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