Since citrus trees prefer a soil pH of 6.

Jun 07, The carbon-nitrogen ratio of coffee grounds is 20 per 1, which essentially means that coffee grounds have a concentration of 2 percent nitrogen, which is pretty good and it is highly recommended to use coffee grounds instead of fertilizer for lemon trees.

The soil in general has a carbon-nitrogen ratio ofso is a good treenotch.barted Reading Time: 8 mins. If you do apply a small amount of coffee grounds directly to your citrus tree’s soil, you should scatter it within the drip line of the tree, but not too close to the trunk.

A good rule is to stay about 12 inches away from the trunk and then cover the coffee grounds with inches of treenotch.barted Reading Time: 8 mins.

Do lemons like coffee grounds? Coffee grounds have a slight acidic power so they will definitely go with acid-loving plants. Lemon will neutralize the acidic power of the coffee, but the nutrients will remain. I advise you to check the pH balance of the soil from time to time just in case. Jun 07, 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. Sounds like putting them in compost would be good.

The optimum pH level for citrus trees is between andbut many areas have alkaline soils with a soil pH abovewhich can cause nutritional deficiencies that. Oct 06, Many people recommend using coffee grounds on the soil to help bring down the pH of alkaline soil to a more neutral because coffee is acidic.

Some people also suggest using it in the soil around acidic-loving plants, such as blueberries, hydrangeas, and azaleas. However, while fresh coffee grounds are acidic, used coffee grounds are treenotch.barted Reading Time: 5 mins.