Yes, you can use coffee grounds to fertilize your house plants. Experts explain how

Yes, you can use coffee grounds to fertilize your house plants.  Experts explain how

Here’s something worth paying attention to: using ground coffee for enrichment Houseplants It could be a win-win. First, recycling this widespread byproduct of caffeine consumption means reducing the amount of waste that ends up in a landfill. Second, coffee grounds can improve soil quality and act as a fertilizer for some plants. To learn more about this topic, we tapped two expert sources: Christopher Griffin, aka @plantkweena botanical educator based in Brooklyn, authorthe influencer who currently cares for more than 200 plants in his home apartment; and Amelia Rosser, owner Shellytown Market, a sustainable store of local plants and goods in Omaha, Nebraska. Read on for their insider tips on the best way to use coffee grounds for your houseplants.

Why do coffee grounds help houseplants?

According to Griffin, used coffee is high in nitrogen. These nutrients are essential to help plants produce chlorophyll and grow into happy, healthy companions. Since coffee grounds are readily available in many homes, they provide a free fertilizer option.

What type of plants benefit from ground coffee?

Coffee grounds fertilizer is not the answer to all your plants’ needs. But some plants really love this sustainable method. Griffin says their list of coffee-friendly “green girls” includes roses, azaleas, berries, tomatoes, hydrangeas, ferns, peonies, African violets, rhododendrons, and camellias.

Hydrangea color can be affected by soil pH, and coffee grounds can help lower the pH, promoting vibrant blue or purple flowers.

David Klapisch/500p//Getty Images

“Not all plants thrive with coffee grounds, so research your specific plant’s preferences before using them,” warns Rosser, president of The Plant Shop. But, she says, “Some plants appreciate having ground coffee in their soil. Hydrangeas are a prime example.” The color of hydrangeas can be affected by the pH of the soil, and coffee grounds can help lower the pH, enhancing those vibrant blue or purple colors in their flowers.

The plant professional adds: “Other acid-loving plants such as azaleas, rhododendrons and berries can also benefit from the slight acidity provided by ground coffee. Just remember to use coffee grounds in moderation to avoid over-acidifying the soil.”

How to use coffee grounds on houseplants

There are two basic ways to use coffee grounds on houseplants: mixing them into the soil or diluting them with water to create a liquid fertilizer. Griffin tends to just mix the coffee grounds into the soil and “let the gradual nourishing magic happen.” Please note that if using this method, mixing is crucial, as simply sprinkling the used soil over a layer of soil is less effective and can create a barrier to water and other nutrients reaching your plant.

Potted fern at home near the window

Fern can also benefit from ground coffee.

Carol Yepps//Getty Images

Another viable option is to make liquid fertilizer from coffee grounds. (We promise, it’s simpler than it sounds.) In a gallon of water, dilute about a teaspoon of coffee grounds. Let this mixture soak for a few nights, stirring occasionally. Filter this liquid using cheesecloth or a fine mesh strainer. Then use the dose to water your houseplants while gently fertilizing them as well. Remember: less is more when it comes to coffee love for your plants.

What to watch out for

It can be easy to misuse leftover coffee. Using them on houseplants can be a little tricky, Rosser explains. “Although ground coffee contains micronutrients that can benefit plants, the average coffee consumer may produce too much of it to be a sole source of fertilizer.” Ground coffee should be used sparingly because a potential downside is that the acidity of the coffee grounds can contribute to increased soil acidity. “(This) may lead to root rot in some plants,” according to the Shelleytown Market owner.

Additionally, influencer Griffin wants plant parents to remember that houseplants contain a range of nutrients that they enjoy. For example, “while the ground coffee used is high in nitrogen, it is relatively low in potassium and phosphorus,” they explain.

The bottom line is that a balanced approach to plant care is the winning ticket. “While coffee can be beneficial, it is important to incorporate a holistic approach to plant care, including proper watering, sunlight, and a balanced fertilizer regimen,” Rosser advises.

(Tags for translation)Coffee grounds on houseplants

You may also like...

Leave a Reply