The Q&A Archives: Fertilizing with Coffee Grounds

Question: What's in coffee grounds? I put coffee ground in my roses and they are performing very nicely. Can I put coffee grounds in my other plants, e.g. clematis, impatience, coreopsis, dianthus, hardy plox, aster, heliopsis, verbena, shasta daisy?

Answer: Coffee grounds are a good organic source of nitrogen. Yes, they can be spread around all plants. They decompose slowly, adding a steady supply of nitrogen and are unlikely to burn plant roots. It's also a good way to reduce the amount of waste sent to the landfills. You can also put them in a compost pile. Many of the "coffee bars" will save grounds for you if you want more of them.

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