Ground coffee is a common household waste product that can be repurposed for use in your garden. Instead of throwing your used coffee grounds in the trash, consider using them to create a nutrient-rich fertilizer for your plants. In this article, we’ll explore the benefits of using ground coffee as fertilizer and provide you with a step-by-step guide to making your own.

Benefits of Using Ground Coffee as Fertilizer

Ground coffee is rich in nitrogen, which is an essential nutrient for plant growth. Nitrogen is a key component of chlorophyll, the pigment that gives plants their green color and allows them to photosynthesize. When added to soil, nitrogen helps plants to grow strong, healthy foliage and produce bountiful harvests. Additionally, ground coffee is an organic material that can help to improve soil structure and retain moisture, which are both important factors in plant health.

Step-by-Step Guide to Making Ground Coffee Fertilizer

Step 1: Collect Your Ground Coffee

The first step in making ground coffee fertilizer is to collect your used coffee grounds. If you’re a coffee drinker, you can save your used coffee grounds and filter from your morning coffee. Alternatively, you can ask your local coffee shop for their used coffee grounds. Many coffee shops will give away their used coffee grounds for free, as it helps them reduce waste.

Step 2: Dry Your Ground Coffee

Once you’ve collected your used coffee grounds, you’ll need to dry them out. Spread the coffee grounds on a tray or baking sheet and leave them to dry in the sun or in a dry, well-ventilated area for a few days. Drying the coffee grounds helps to prevent mold growth and makes them easier to handle.

Step 3: Prepare Your Ground Coffee Fertilizer

To prepare your ground coffee fertilizer, mix the dried coffee grounds with equal parts brown, dry organic matter such as dead leaves or straw. This will help to balance the carbon-to-nitrogen ratio in the fertilizer. You can also add in other organic materials like eggshells or banana peels for additional nutrients.

Step 4: Apply Your Ground Coffee Fertilizer

Once you’ve prepared your ground coffee fertilizer, it’s time to apply it to your plants. You can use the fertilizer as a top dressing by spreading it over the soil around your plants, or you can mix it into the soil before planting. Be sure to avoid placing the fertilizer too close to the plant stem, as this can burn the roots.

Step 5: Repeat as Needed

You can repeat the process of making and applying ground coffee fertilizer as needed throughout the growing season. Keep in mind that while ground coffee is a great source of nitrogen, it shouldn’t be the only source of nutrients for your plants. Be sure to also incorporate other organic fertilizers and amendments, such as compost or fish emulsion.


In conclusion, making ground coffee fertilizer is an easy and effective way to repurpose a waste product for use in your garden. By following these steps, you can create a nutrient-rich fertilizer that will help your plants grow strong and healthy. So the next time you make a cup of coffee, don’t throw away your used grounds – instead, use them to give your garden a boost!

One thought on “From Waste to Fertilizer: How to Make Ground Coffee Fertilizer for Your Garden

  1. Pingback: DIY Organic Fertilizer: Turn Your Kitchen Waste into Garden Gold

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