how to use coffee in your garden

How To Use Coffee In Your Garden

Time to stop throwing away those coffee grounds when you are done with them. If you’re into gardening then you’ll love knowing that because of the high nutrient content in your coffee grounds, they can be used to help make your garden thrive. With a little bit of creativity, your coffee grounds can be used in a variety of way to assist you in your gardening.

coffee grounds as soil supplement

Coffee Grounds as a Soil Supplement

One of the easiest ways to use your old coffee grounds is to just add them to your compost pile. Not only will the coffee grounds provide you with more organic matter, the grounds also speed up the decomposing process of your compost.

use coffee to increase soil acidity

Use to Increase Acidity

Coffee grounds have a pH of around 5.1 so they are fairly acidic compared to the soil in a garden. This can be too acidic for some of your plants, it can be ideal for those that require more acidity. When gardening, just take a handful of coffee grounds and sprinkle it near the roots of your plants at the start of the growing season. Here’s a list of plants that love coffee:

  • Blueberries
  • Cranberries
  • Citrus
  • Camellias
  • Gardenias
  • Rhododendrons
  • Hydrangeas

use coffee for extra nutrients in the soil

Use for Extra Nutrients in the Soil

Coffee is rich in a variety of nutrients that are vital to the health of plants and sometimes your soil might be lacking. Here is a list of the nutrients you’ll find in your coffee grounds:

  • Nitrogen
  • Magnesium
  • Potassium

However, if you are in need of calcium or phosphorous, you won’t find that in your coffee grounds.

use coffee as plant food

Turn the Grounds Into Liquid Plant Food

If you don’t want to use coffee grounds themselves you can always turn the coffee grounds into a liquid plant food for your garden. All you need to do is put a handful of coffee grounds into a bucket of water and then let it sit for a couple of days. This will create a nice amber colored liquid. Strain the grounds out and then use the coffee liquid to water your garden with.

coffee grounds natural pest repellent

Coffee Grounds Can Deter Pests

Coffee grounds are ideal to use to combat snails and slugs. These nasty creatures always seem to love to dine on your favorite plants. However, they are not very fond of coffee grounds. Just sprinkle a handful of your grounds all around the base of your plants. The caffeine and the acidic nature of the grounds seem to harm these nasty pests. This is also good to use against cats roaming around the neighborhood, they don’t seem to like the coffee either.

use coffee as worm food

Use as Worm Food

If you happen to raise worms, which some people do, coffee is something that worms seem to really love to eat. So, if you are raising worms to help grow your garden feel free to give them plenty of your leftover coffee grounds, they’ll love you for it and so will your garden.

use coffee to prevent plant fungus

Use to Guard Against Fungal Infection

There has been recent evidence that your coffee grounds can also be used to help prevent some types of fungus that attack plants. If you sprinkle a few grounds around your plants the coffee grounds might be able to prevent fungi like Fusarium, Sclerotinia, and Pythium. Tomatoes, peppers, and eggplant all can benefit from this treatment.


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