Coffee Grounds for Plants
For years, I’ve heard that coffee grounds are a great fertilizer for plants and that I should just sprinkle the grounds above the soil for great results. I was always a bit skeptical and, seeing as how I don’t actually own any plants, I never tried it. And I’m glad I didn’t because the truth is that it’s not just a simple case of carrying your wet, dripping coffee filter over to your Hibiscus named Henry and sprinkling the brown clumps into the dirt while singing Habenera like a third-rate opera singer. Here’s some facts you should know about using coffee grounds for plants:
- Most coffee ground are too acidic to drop straight into the dirt around plants, even the plants that enjoy acidic soil (such as the blueberry plant).
- By adding straight coffee grounds to the soil, you create a very strong risk of ‘mold bloom.’ As well, your plants will be totally tweaking and jittery. (No, not really.) But again, DON’T DO IT.
- The typical coffee grounds an average homeowner produces will obtain strong levels of Nitrogen, Magnesium, and Potassium which are all great things for a plant. However, they still need additional nutrients.
If you want to get the best out of your coffee grounds as well as treat your plants like they’re J.Lo in a Hilton Penthouse, here’s what you need to do.
First, with every cup of coffee grounds add a small amount of agricultural lime or hardwood ashes, this will calm the acidity of the grounds. But before you think you can go all willy-nilly, tossing grounds all over the garden, add them to a pile of compost created from shredded leaves, banana peels, apple cores, and all that really smelly, gross stuff. This will keep the nutrients in the coffee grounds while adding whatever is missing and not harming your plants. Everyone wins!
- Don’t add coffee grounds directly to your plant’s soil.
- Place the coffee grounds in a compost pile first and use the mixture as an ultimate fertilizer.
- Plants love to be treated like J. Lo.
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