Answer: You can definitely use eggshells in your succulent garden! Pour the “eggshell tea” on your succulents to give them an added calcium boost. This may also give them some extra potassium, but is lacking in nitrogen, an element that succulents need, so you may need an additional fertilizer that contains that.Click to see full answer. Accordingly, are coffee grounds good for succulents?Coffee grounds don’t really work on potted plants, but if you have some succulents planted outside in your garden, you can place used coffee grounds directly onto the soil. As the used coffee grounds break down, they’ll add nitrogen to the soil, which is a vital nutrient for succulents.Beside above, are eggshells good for potted plants? Eggshells. Eggshells are filled with calcium, which is essential for plants to develop a strong cellular structure. You can make a fertilizer tea by crushing up a bunch of eggshells, adding them to boiling water, and allowing to steep overnight. The powder can be mixed into the soil right before potting a new plant. Then, which plants like egg shells? Tomatoes, Peppers and Eggplants A layer of crushed eggshells, placed in the planting hole for these vegetables, is a simple means of combating the disease. As they decompose, the eggshells naturally enrich the soil, providing a slow, steady source of calcium, preventing blossom end rot from occurring.How do you plant succulents in shells? Filling the Shell Succulents need a fast-draining soil. You can use a cactus potting soil mix or create your own by combining equal parts potting soil, coarse sand and peat. Fill the shell to within 1/4 inch of the shell’s rim with the soil and water it lightly until it’s evenly moist but not soggy.