Are Coffee Grounds Best For The Lawn? Explained

Many gardeners swear by coffee grounds as a natural fertilizer and soil amendment, but are they really the best choice for your lawn? In our post, “Are Coffee Grounds Best for the Lawn Explained,” we delve into the benefits and potential drawbacks of using coffee grounds in your lawn care routine.

We discuss how coffee grounds can add nitrogen to the soil and improve drainage, but also caution about overuse and the risk of creating an imbalanced soil pH.

Key Takeaways
Using coffee grounds on your lawn can provide several benefits, including adding nitrogen and improving soil structure.
When applying coffee grounds to your lawn, be sure to spread them out evenly and avoid using too much, which can harm your grass.
Coffee grounds are not a reliable method of weed control and should be used in combination with other methods.
Avoid using coffee grounds on Bermuda grass, as it prefers a more alkaline soil pH.
To learn more about using coffee grounds on your lawn and garden, check out the helpful resources in the “Further Reading” section.

For more insights on lawn care, check out our posts on Are Clovers Good for Lawn Explained and Are Eggshells Good for Lawn Explained.

Join us as we explore the many natural and sustainable methods for maintaining a healthy and thriving lawn.

Are Coffee Grounds Good For The Lawn?

Coffee grounds are a great addition to the garden or lawn. They can be used as fertilizer, mulch, compost, and weed killer.

Coffee grounds used as fertilizer: Coffee grounds are a great way to add nutrients to your soil without having to buy an expensive bag of organic fertilizer. 

Just spread a layer of coffee grounds around plants in your garden or on top of the soil where you want to grow flowers or veggies. You can also mix it with compost if desired for added benefit.

Coffee grounds used as mulch: When spread out over the surface of the ground, coffee grounds will shade out weeds and keep them from germinating while adding nitrogen into the soil which helps plants grow better than they would otherwise. 

“Coffee grounds can be a great natural fertilizer for your lawn, but it’s important to use them correctly. Learn more about how to use coffee grounds for your lawn with our guide on are coffee grounds good for lawn explained, and get your lawn looking lush and healthy!”

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So it doesn’t get stuck between their toes when walking through later on down below outside after coming inside during winter time (if there is any).

How Do I Use Coffee Grounds On My Lawn?

You can use coffee grounds on your lawn in several ways.

  • Sprinkle the grounds directly onto the grass, much like you would do with fertilizer or compost.
  • Compost them with other organic matter to make your compost or add them to existing soil as a fertilizer.
  • Use the grounds as part of a compost tea brew, which will help attract earthworms into your soil and improve aeration.

Should I Put Coffee Grounds On My Lawn?

So, should you use coffee grounds for your soil?

The answer is yes. If a little bit of unknown substance helps your lawn, go for it! If you don’t like the idea of using coffee grounds on your lawn, there are other options out there. Some people use eggshells or sand to help with soil acidity and pH. 

The point is that if something works for one person’s particular type of grass and climate, it might work for others too!

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How Often Do I Apply Coffee Grounds To The Lawn?

How often you should apply coffee grounds to your lawn depends on the type of soil you have. If you have sandy soil, apply coffee grounds once a month. If you have clay soil, apply coffee grounds once a quarter.

If you have loamy or sandy-loam soil, and want to encourage growth in your grass but also prevent weeds from growing at the same time, add one cup of coffee grounds for every 100 square feet of grass area in your yard. 

For example: If your yard measures 20 by 40 feet (for 800 square feet), then 2 cups would be ideal for this type of garden application.

Can Coffee Grounds Kill Grubs?

No, coffee grounds are not a good way to kill grubs. Most lawn pests and diseases, they’re not even worth trying. 

And while some people do use them as an organic weed killer, this is only effective if your weeds are in the germination stage of life and it’s much easier to just use a spray-on herbicide instead.

But there’s one exception: fungus! The fungus can be killed by adding used coffee grounds to your soil and since fungus loves moist environments like muddy yards with lots of organic matter (like grass clippings), the addition of dry coffee grounds will help keep your lawn’s soil less conducive to fungal growth.

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Does Vinegar Kill Grubs In Your Lawn?

Vinegar is acidic, but not as acidic as coffee grounds. Vinegar can help kill grubs and other pests on your lawn, but it does not work alone. 

You can use vinegar in conjunction with coffee grounds or eggshells for a stronger effect against pests like ants. Diatomaceous earth also works well with vinegar to keep pests away from your lawn.

Does Bentgrass Like Coffee Grounds?

If you want to fertilize your bentgrass lawn, coffee grounds are a great option. Bentgrass is a type of grass that is well-suited for many different climates, but it does have its preferences when it comes to fertilizer. 

If you’re wondering whether or not coffee grounds will help your bentgrass thrive, here’s what you need to know:

Coffee grounds are high in nitrogen, potassium, phosphorus, and calcium. These nutrients are essential for healthy growth in any plant or animal life.

Because they’re so effective at boosting plant health (and also smell delicious), coffee grounds have become a popular alternative to commercial fertilizers on small farms across the country. 

If you have access to large quantities of used filter paper from an industrial facility where large amounts of coffee are consumed every day (like Starbucks or Dunkin Donuts).

Then it might be worth investing in this resource instead of making individual purchases from local grocery stores every month! But if not or if those types of places don’t exist near where life then why not try out some homegrown alternatives instead?

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Do Coffee Grounds Acidify Soil?

The answer depends on the composition of your soil. If your soil is already acidic, it may be too late for coffee grounds to help. 

Coffee grounds are acidic; they have a pH level between 4 and 5 (slightly higher than lemon juice). If you want to increase acidity in your soil, consider adding pine needles or oak leaves to increase acidity.

If you want to decrease the acidity of your soil, you can use crushed eggshells or wood ash before planting anything new.

What Plants Like Coffee Grounds And Eggshells?

Coffee grounds are a great fertilizer for plants like tomatoes, eggshells are excellent for roses and azaleas, and eggshells are also good for planting tomatoes!

Eggshells have a high pH level of 7.5 to 8.5 which helps balance out an acidic soil. Tomatoes require extra calcium to grow properly so adding some crushed eggshells to your soil will give them the nutrients they need to thrive!

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You’re not going to just dump coffee grounds on your lawn, but if you’re looking for a great way to fertilize, this is one of the most effective ways. It’s also super easy – just sprinkle some grounds over your grass once and let nature do her thing!

Further Reading

If you want to learn more about using coffee grounds for your lawn and garden, check out these helpful resources:

Are Used Coffee Grounds Good for Your Lawn?: This article from Lawn Solutions Australia provides an in-depth look at the benefits of using coffee grounds on your lawn and how to do it correctly.

Coffee Grounds Lawn Fertilizer: Will Coffee Grounds Acidify Soil?: Gardening Know How offers insights into using coffee grounds as a lawn fertilizer and how it can impact soil acidity levels.

Ask Mr. Burger: Can Coffee Grounds Be Used in My Garden and Lawn?: This Q&A article from Burger Farms answers common questions about using coffee grounds on lawns and gardens.


What are the benefits of using coffee grounds on a lawn?

Coffee grounds can add nitrogen to your lawn, which helps promote healthy growth. They can also help improve soil structure and retain moisture, which can lead to a healthier, greener lawn.

How do I apply coffee grounds to my lawn?

To use coffee grounds on your lawn, sprinkle them over the grass and water them in. Be sure to spread them out evenly and avoid clumping, as this can lead to uneven nutrient distribution.

Can coffee grounds harm my lawn?

Using too many coffee grounds on your lawn can potentially harm your grass and cause it to turn yellow. It’s important to use them in moderation and make sure they are well-mixed into the soil to prevent any negative effects.

Do coffee grounds help with weed control?

While coffee grounds may have some weed-suppressing properties, they are not a reliable method of weed control. It’s best to use them as a supplement to traditional weed control methods, such as pulling or using herbicides.

Are there any types of grass that should not be treated with coffee grounds?

Most grass types can benefit from the use of coffee grounds, but it’s important to avoid using them on Bermuda grass, as it prefers a more alkaline soil pH and coffee grounds can make the soil more acidic.