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Coffee grounds can be used in the garden to add acidity to alkaline soils and provide nutrients to plants such as roses.
Slugs and snails, which like to consume plant leaves, can be garden pests. They may damage your carefully maintained landscape in the process! Fortunately, there is a home treatment that can keep your plants safe. See how you can get rid of snails and slugs with coffee.
How does it work?
It seems that caffeination repels slugs and snails, so adding anything caffeinated should be adequate. Caffeine is found in coffee, c, and it was most likely designed to defend the plants from being ingested. Humans are the only animals who consume coffee, as the rest of the animal kingdom avoids it. For this purpose, your leftover brewed coffee will not work you need to utilize the coffee with full strength.
To derive the most benefits, make a rich cup of highly caffeinated coffee. Place it on the soil around the crops you want to guard and keep applying more if the slugs or snails come back. As a bonus, this may deter cats as well as other garden pests.
Slugs and snails are killed in two days by solutions containing 1-2 percent caffeine, according to USDA scientists, and concentrations as low as 0.01 percent caffeine can act as repellents. The range of caffeine in a cup of tea plant chocolate, and coffee is 0.8 to 2.8. The caffeine content in instant coffee is around 0.05 percent, with brewed coffee being somewhat higher.