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How to use coffee grounds in the garden?


Instead of throwing it in the trash after use, it can be used to bring items for the garden. Efficient and ecological recycling.



have a usefulness that is sometimes overlooked for the good development of the garden.

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What are the benefits of coffee grounds on soil and plants?

Rich in nutrients such as phosphate, potassium, magnesium and nitrogen, coffee grounds, whose pH is slightly acidic, promote the development of plants, from the vegetable garden to flower plantations.

It is to be used for plants which have an acid soil such as tomatoes, blueberries, cyclamen or hydrangeas – which will thus retain their blue color – or heather for example.

What are the different uses of coffee grounds in the garden?

It is a fertilizing product that acts as a natural, biodegradable fertilizer when combined with quality potting soil for seeds, seedlings and young roots.

It can also act as a natural repellent with the caffeine smell it releases to ward off insects such as aphids, slugs, snails or carrot flies.

The operation should be repeated regularly, especially after a rainy episode, when the air and the ground are humid.

Read alsoGarden: how to use dead leaves?

It can also be used to enrich the qualities of compost for the development of garden plantations.

Indeed, it allows earthworms to better digest organic matter.

However, it is advisable not to put in a large quantity for better homogeneity and efficiency - between 10 and 20% of the total compost -.

For growing mushrooms, coffee grounds are an asset not to be overlooked as a substrate.

In the event of ice and if you do not have sand in stock, coffee grounds can replace it to salt the ground of the courtyard or the terrace to prevent a fall.


Use coffee grounds in the spring when garden life resumes to promote growth.

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How to store coffee grounds?

By leaving it to dry in the open air long enough – a few hours – or for more speed in the oven for a few minutes, depending on the quantity, thermostat 80-90°C so that no moisture will eventually turn into mold and be harmful to your plants.

Stir it regularly for a better homogeneity because in the long term it must remain in the state of powder, light and airy.

Then, place it in an airtight box to keep for about ten days in the refrigerator.

Source: lefigaro

All news articles on 2023-01-26

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