Used coffee grounds may benefit plants in several ways. Many gardeners like to use used coffee grounds as a mulch for their plants. ), generally, are among the plants that prefer a soil pH that is acidic.That is the reason why some folks who have a soil that is too alkaline are attracted to the idea of sprinkling coffee grounds on the earth around their magnolia trees. Trees require care and maintenance in order to boost their growth, just like any other plant. Sprinkle damp coffee grounds liberally over the ash before you sweep it up. Coffee grounds are of course a rich source of caffeine – in fact they can be richer than coffee itself, depending on brewing technique. Trees are a staple for any landscape or garden, whether they are fruit, nut or oak trees. Coffee grounds are particularly good for tomato plants, which thrive on nitrogen. Elizabeth A. This is true, but only for specific acid-loving plants like rhododendron, hydrangeas, and camellias. This may not be scientific but many years of experience using coffee grounds tell me they are good to use in the garden or around acid loving plants.I read about it in the Organic Gardening magazine 30 -40 years ago & tried it on As coffee grounds work their way into the soil they tend to aerate the soil. Coffee grounds are good for Rosemary and highly recommended for herbs when you want to have a healthy plants that grows to yield the best seeds, leaves, and fruits. Coffee grounds are a source of nitrogen, and the brewing process removes much of the acidity from the used grounds. As it turns out, your plants and trees can also benefit from this miraculous bean! Coffee grounds are abrasive, so a barrier of grounds placed near slug-prone plants may just save them from these garden pests. Coffee grounds have a slight acidic power so they will definitely go with acid-loving plants. Coffee grounds as fertilizer. Coffee grounds are a great source of natural nutrients that plants need. Replied June 9, … Since we drink a lot of coffee at home, I’d like to try composting it, too. Aloe Vera, peppers, watercress, lilac, and lavender will react badly to coffee, so keep your coffee grounds away from those plants. . The results are always good and are better than amending your planting soil with commercial mulches. " When used for planting, the grounds create a natural acidic form of bacteria, which boosts the growth of acid-loving plants like tomatoes, roses []. Coffee grounds are a low-level source of nitrogen, having a fertilizer value of around 2.0 N-0.3 P-0.2 K, as well as a minor source of calcium and magnesium. Sprinkle coffee grounds around the base of Holly Shrubs and Holly Trees for dense foliage growth and improved berry production. In June 2011, this was the closest I came to eating the first fruit off my Fig Black Genoa. How to Use Coffee for Houseplants Coffee grounds are a good source of nitrogen, encourage the growth of the beneficial microorganisms in the soil, and help plants that prefer acidic growing medium. Coffee grounds are like a lot of other nutrients - a little bit may be good but a heavy feeding may hurt or even kill a plant. Coffee grounds are often included on lists of mulch options for gardeners. Other used for coffee grounds include using it to keep slugs and snails away from plants Most members of this family live only in North America and all these plants thrive in acidic soils. You can use it in the Coffee grounds can also be used in your garden for other things. Some studies show that there’s no significant negative impact on plants when using fresh coffee grounds in the garden. Yes, coffee grounds are good for potted olive trees. Earth worms like them. All three are generally good for the garden. 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