Many of us love a good cup of coffee, but what to do with the used coffee grounds? Here are some suggestions:
- Use as a mulch around acid-loving plants: Acid-loving plants include azaleas, camellias, rhododendrons, blue hydrangeas and blueberries. I have been collecting coffee grinds from our work coffee machine to use around my blueberries, as Adelaide soil tends to be alkaline.
- Compost them or use in a worm farm: fairly obvious but true
- Bug repellant: Scatter coffee grounds around near ant nests or around plants easily damaged by snails and slugs to deter the creepy-crawlies.
- Natural Dye: As most of us know, coffee stains when spilt, so use coffee grounds steeped in boiling water as a brown dye for Easter eggs and even clothing. (First soak the fabric in coffee, air dry it, then wash in cold water to set the dye.)
- Fridge deodoriser: Coffee grounds in a clean, old sock tied at the top can be used to deodorise the fridge, but make sure the grounds are dry or they'll go mouldy.
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