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How coffee grounds can transform your peace lilies 
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How coffee grounds can transform your peace lilies 

Jul 30, 2025
01:01 pm

What's the story

Peace lilies are favorite houseplants, owing to their lush green leaves and elegant white blooms. They thrive easily in low light and require less maintenance, which makes them a favorite among plant enthusiasts. However, one interesting way to enhance peace lilies is by using coffee grounds. They can provide essential nutrients and improve soil quality, benefiting your plants in several ways. Here are five ways to enhance your peace lilies using coffee grounds.

Soil acidity

Boost soil acidity

Coffee grounds can also help in making the soil acidic, which is ideal for peace lilies that thrive in slightly acidic conditions. Adding a little bit of used coffee grounds to the soil can create an environment that allows for better absorption of nutrients. Just don't overdo it - a thin layer mixed into the topsoil every few months should do the trick.

Drainage benefits

Improve drainage and aeration

Mixing coffee grounds into potting soil can improve its texture by enhancing drainage and aeration. This helps prevent waterlogging, which can lead to root rot in peace lilies. The coarse nature of coffee grounds allows air pockets to form within the soil. These pockets promote healthy root growth and ensure that excess water drains away efficiently.

Nutrient supply

Provide essential nutrients

Coffee grounds are packed with essentials like nitrogen, potassium, and phosphorus, which are important for the growth of plants. When used in moderation, as a natural fertilizer, they can complement your regular feeding schedule for peace lilies. Just sprinkle a small amount around the base of the plant or incorporate it into the potting mix during repotting sessions.

Pest control

Natural pest deterrent

Using coffee grounds around your peace lily can help keep pests such as slugs and snails at bay. Their texture and caffeine content can deter them. While it's not foolproof, it does give you an added layer of protection from common garden pests without having to resort to chemical pesticides.

Composting benefits

Compost addition

Adding coffee grounds to compost piles enriches them with organic matter, which breaks down over time into nutrient-rich humus. It is suitable for all plants, including peace lilies. This is when mixed back into potting soils later on. Decomposition has occurred fully within compost bins or heaps outside gardens.