Top Ten Tips for Using Coffee Granules

CandideUK
Published on May 8th 2018
63
Leftover coffee granules are super useful around the garden. You don't have to throw them away!
Here are ten of our top tips for using coffee granules in the garden.
  1. Worms are attracted to coffee granules and will aerate your soil. Incorporating them into the ground will encourage worms to do the hard work of cultivating your soil.
  2. Using fresh or unwashed coffee granules around plants such as Hydrangeas will turn their flowers blue. This is due to the acidity of the granules.
  3. You can use spent coffee granules to grow your own mushrooms (See our Discover article part 3)
  4. Incorporating them into the soil before planting radishes and carrots not only will improve their flavour but will deter carrot root fly and flea beetle.
  5. Keep cut flowers fresher for longer by putting them into a wetted coffee compost mix. It keeps them fresh and acts as a room air freshener at the same time.
  6. Incorporating them into the compost heap helps reactivate and helps with the decomposing of the materials.
  7. Reduce fungal attack from soil pathogens such as Pythium and Fusarium. This can be achieved by incorporating the grounds into the soil.
  8. Cucumber, Spinach and beans can benefit from the antimicrobial activity produced by the coffee grounds. This activity can prevent rusts and mildews from the seedling stage to adulthood. Even a compost with only 6% can offer protection.
  9. Soaking a handful of used coffee granules in water overnight will produce a foliar feed. To 1 litre of water add a generous handful of grounds and soak. Strain the following day and put the liquid in a handheld sprayer. Only apply either on overcast days, early morning or late evening to prevent scorching.
  10. Lastly with several applications around plants will deter slugs but it is a slow process and needs to cover quite a wide area to prevent the slug from stepping over it.
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