Used coffee grounds contain good nutrients for plants like nitrogen, phosphoric acid, and potash. They are particularly good for blueberries, evergreens, azaleas, roses, and fruit trees. Use your own coffee grounds or ask coffee shops for their used grounds.Let the used coffee grounds dry and then scatter them like mulch over your plants. Do not use wet ones, as they will mold.;
, Bananas are great for providing potassium for the plants, especially roses. Bury a whole banana, or just the peel, in the top layer of soil next to rose bushes and other plants.Over time, replace the bananas with fresh ones.
 Egg shells contain beneficial nutrients for plants like nitrogen, phosphoric acid, and calcium. Crush up egg shells in an old coffee grinder and sprinkle them on your garden soil for a natural fertilizer.Get in the habit of adding fresh ground egg shells to your soil once a week. Plant roots need a steady supply of calcium, which can be found in egg shells, to thrive.
 Blackstrap molasses contains carbon, iron, sulfur, potash, calcium, manganese, magnesium, and potassium, which are all great for plants. Mix Blackstrap molasses with 1 cup (236 ml) epsom salts and 1 cup (236 ml) alfalfa meal. Dissolve the mixture in 4 gallons (15 L) of water and then spread it on your garden.Molasses also feeds beneficial bacteria in the soil, which will keep your plants healthy and happy.
 Epsom salts are great for encouraging plant growth and seed germination. Combine 1 tablespoon (14 ml) of Epsom salts with 1 gallon (3.7L) of water. Put the mixture in a spray bottle and apply it to the foliage in the garden.The Epsom salts can also increase fruit and flower production for roses, tomatoes, peppers, potatoes, and indoor houseplants.
Use coffee grounds as fertilizer.
Fertilize the garden with bananas.
Add egg shells to the garden.
Fertilize the garden with Blackstrap molasses.
Soak the garden with epsom salts.
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