What plants love coffee grounds in pots?
Acidic-loving plants such as azaleas, blueberries, hydrangeas, rhododendrons, and roses will benefit from a sprinkling of coffee grounds around the base of plants. Vegetable crops that may benefit from coffee grounds include carrots, cucumbers, peppers, potatoes, and radishes. Plants that prefer alkaline soil, like lavender and lilacs, can be harmed by the acidity of coffee grounds. Plants that are sensitive to caffeine, such as geraniums and some herbs, can also be affected by the presence of coffee grounds.using coffee grounds for plants can be a good idea, but it’s important to do your research and use them in moderation. Coffee grounds contain nitrogen and are acidic, which can be beneficial for some plants. However, they can also contain salts and mold, and can be harmful if used in large amounts.Used coffee grounds actually make for a great fertilizer for acid-loving plants. Just dry the used coffee grounds on a sheet of paper and add them to the soil. As the coffee is slowly broken down it w over time it will continue to release nutrients into the soil for a while.
Which plants should I not put coffee grounds on?
However, there are some plants that you should avoid using coffee grounds on. Plants that prefer alkaline soil, like lavender and lilacs, can be harmed by the acidity of coffee grounds. Plants that are sensitive to caffeine, such as geraniums and some herbs, can also be affected by the presence of coffee grounds. Compost your coffee grounds This is perhaps the easiest way to avoid putting your coffee grounds in the general waste bin. Used coffee grounds are great for compost as they add nitrogen that helps organic materials break down into mulch and, eventually, nutrient-rich fertilizer.