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10 Ways You Can Improve Your Garden with Coffee Grounds

August 10, 2020 by Kasi Smith 15 Comments

You may not know this, but humans aren’t the only ones who love their coffee. Plants, soil, and even worms love a nice, warm serving of coffee, but they’re usually okay with just spent coffee grounds. Coffee grounds in the garden has numerous benefits and advantages, and here are just a few of them! Tip: Starbucks coffee will give away their leftover coffee grounds to those who ask for them! Free of charge, of course!

One coffee drinkers junk is another garden's treasure. Okay, maybe that's not exactly the quote, but you get the idea. Your garden could use those coffee grounds you are throwing out! Find out what, when and where.... #blessmyweedsblog #coffeegrounds #gardentips #composter
Contents
1 Coffee Grounds In The Garden
1.1 Benefits of Using Coffee Grounds in The Garden

Coffee Grounds In The Garden

Compost

Coffee grounds are great in compost piles because they help the food items decompose faster than normal. However, make sure that your coffee grounds don’t exceed 25% of the total compost or else the acidity can cause problems.

coffee
Photo from Five Senses

Benefits of Using Coffee Grounds in The Garden

Soil Enhancer

Take coffee grounds and sprinkle a thin layer around your plants. Make sure to do this before you water or before it rains. That way the water will seep down and take the nitrogen from the coffee grounds into the soil.

coffee2
Photo from Care 2

Mulch

Mix coffee grounds in the garden with either wood chips or saw dust and make your own mulch. The coffee grounds help regulate the mulch’s moisture so it doesn’t get too dry. It also keeps the mulch aerated, maximizing its usage.

coffee3
Photo from Web Gardening Tips

Dry Fertilizer

Take your coffee grounds and spread them out on sheets of newspaper. Let the grounds dry and then store them in a bag. Use your dried coffee grounds as a nitrogen-rich fertilizer within three weeks.

Wet Fertilizer

Mix ½ lb. of coffee grounds in 5 gallons of water. Let the mixture sit for a day and then pour it onto your plants that are in need of some more nutrients.

Repellent

Some gardeners believe that the smell of coffee grounds and its makeup help keep insects and damaging pests away. Sprinkle coffee grounds around your plants and garden and keep those pests that like chewing on your fruits and veggies out!

coffee6
Photo from WikiHow

Foliar Spray

Soak coffee grounds in water and use the mixture as a spray for your plants. Make sure to spray the whole plant, and don’t forget the underside of the leaves. The coffee grounds add nutrients to the water that can help boost the strength of your plants.

Fungus Prevention

Coffee grounds have been known to keep plants strong and healthy, even enough to ward off fungal infection. Put the coffee grounds around the stem and base of your plants to prevent them from catching any fungi.

Worm Bin

Although it may be gross, worm bins are a great way to get essential nutrients into the soil of your plants. And worms LOVE a serving of coffee grounds. So add some to your worm bin and watch the nutrients come piling into your soil!

coffee9
Photo from EB Coffees

Ward off Animals

Many animals (especially cats and dogs) don’t like the smell of coffee grounds, which is great if you have an unwanted visitor traipsing through your garden. Simply spread coffee grounds wherever the animal likes to make itself and home and you should stop seeing the pesky guest soon enough!

Coffee grounds in the garden
Coffe grounPhoto from Redeem Your Ground

Filed Under: Container Gardening, DIY Yard, Garden, Hardscape, Herb, Herbs, Landscape, Vegetable and Fruit Tagged With: Coffee, gardening, Gardening tips, Natural, organic, pesticides, tips and tricks

Reader Interactions

Comments

  1. Juanita Beauchamo of Vancouver Island, B.C. Canada says

    February 6, 2016 at 5:26 am

    This is exciting am really looking forward to using this knowledge
    Much thanks for the grate and helpful read.

    Reply
  2. Kay says

    February 19, 2016 at 3:18 pm

    Very Helpful. Thank you for posting.

    Reply
  3. Oli says

    March 11, 2016 at 9:13 pm

    Great post, lots of ideas for something that is normally thrown away.

    Reply
  4. Prachi says

    April 19, 2016 at 2:52 am

    Very helpful information . Thank you .

    Reply
  5. Barb Early says

    April 25, 2016 at 1:44 pm

    Thank you, always looking for ways to keep cats and dogs away from flower beds.

    Reply
  6. Jeanette Marshman says

    May 13, 2016 at 9:55 pm

    Looking forward to trying the ground coffee on my garden will be our first experience

    Reply
  7. Diane says

    June 18, 2016 at 1:35 pm

    Pets are more sensitive to the effects of caffeine than people are. While 1-2 laps of coffee, tea or soda will not contain enough caffeine to cause poisoning in most pets, the ingestion of moderate amounts of coffee grounds, tea bags or 1-2 diet pills can easily cause death in small dogs or cats. https://www.petpoisonhelpline.com/pet-safety-tips/is-caffeine-poisonous-to-dogs/

    Reply
  8. Doreen says

    October 31, 2016 at 3:47 pm

    Are all suggestions for used coffee grounds only, or can old beans be ground and used???

    Reply
    • Joy says

      November 1, 2016 at 4:09 pm

      I don’t see why not!

      Reply
  9. Cara @ Fashionably Frugal says

    November 1, 2016 at 10:24 pm

    Thank you for sharing these. I love being able to add my used coffee grounds to my compost each day and I have noticed that it helps the other ingredients compost faster. I am looking forward to adding that rich soil to my garden in the spring.

    Reply
  10. ron says

    November 4, 2016 at 9:42 am

    can I put coffee grounds on my lawn,if I mix it in water , and spray it on my lawn

    Reply
    • Joy says

      November 4, 2016 at 3:42 pm

      Yes! It’s a great fertilizer! Make sure you mix it right. I’ve read that half a pound of grounds and 5 gallons of water is a good mixture.

      Reply
  11. THAMPI PADMANABHAN says

    December 4, 2016 at 7:05 am

    After boiling we are add sugar before drinking means the used coffee contains sugar this is suitable for the garden please reply

    Reply
    • Joy says

      December 7, 2016 at 3:35 pm

      So you are adding sugar to the grounds?

      Reply
  12. Rosie Zummo says

    January 9, 2017 at 2:53 pm

    I live on a lake, and I have ducks that come into my yard, they go into my plants. Will coffee keep the ducks away from my plants? Please someone reply.

    Reply

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