How Does Caffeine Affect House Plants?

The caffeine in coffee offers a low source of nitrogen and increases the soil's acidity. This increase in acidity benefits acid-loving plants, but can harm other types of plants.

Keywords: acidic soil, coffee in soil, caffeine in houseplants

About this Author

Jennifer Loucks has been writing since 1998. She previously worked as a technical writer for a software development company, creating software documentation, help documents and training curriculum. She now writes hobby-based articles on cooking, gardening, sewing and running. Loucks also trains for full marathons, half-marathons and shorter distance running. She holds a Bachelor of Science in animal science and business from University of Wisconsin-River Falls.