Do coffee grounds help plants grow?

As a fertilizer, used coffee grounds are slightly acidic and full of nitrogen, a mineral that aids vegetable and plant growth. Coffee grounds are particularly good for tomato plants, which thrive on nitrogen. read more

Most plants like slightly acidic soil that can come from coffee grounds and from compost with coffee grounds. Plants that need lots of water like even more acidity. These include lily of the valley, ferns, strawberries, azalea, camellia and blueberry. read more

The used coffee grounds will also help microorganisms beneficial to plant growth thrive as well as attract earthworms. Many people feel that coffee grounds lower the pH (or raise the acid level) of soil, which is good for acid loving plants. read more