# Coffee hack to repel flies and mosquitoes from your patio Pest experts recommend a simple coffee and baking soda mix for a bug-free outdoor space. - **Source:** [Latest from Ideal Home in News](https://brifing.si/source/02eb50e1-30c6-4c23-9764-bbec266c1242) - **Published:** 2026-07-19 - **Topic:** [Business](https://brifing.si/c/business) - **Original article:** - **On Brifing:** https://brifing.si/s/f2b2e8a0-0edf-49d4-bc66-39801bf6dedb ## Natural pest repellent: Coffee and baking soda Pest control experts suggest an eco-friendly solution for summer bugs: a mixture of coffee grounds and baking soda. This method disrupts insects' scent detection, keeping flies and mosquitoes away from your patio. Particularly effective in evenings, it offers a natural and affordable alternative to chemical repellents. ## How it works The strong aroma of coffee repels flying insects, while smoldering grounds mask attractive scents like CO2 and food odors. Baking soda reacts with acids to produce CO2, confusing mosquitoes' tracking systems. Together they create an effective scent barrier that deters pests from your outdoor living spaces. ## Application steps Use completely dry coffee grounds in a heatproof container, allowing them to smolder without flame. Place near seating areas, keeping away from flammable materials. Sprinkle baking soda around trash bins or food areas. This creates multiple defense lines against flying insects seeking your patio. ## Duration and limitations The effect lasts only while coffee smolders and baking soda remains active. Once odors dissipate, pests may return. This makes it a temporary solution best used alongside other methods. Most effective during peak mosquito hours in early evening when outdoor activities typically occur. ## Complementary measures Experts recommend combining this with good patio hygiene: regular trash removal, cleaning food spills, and eliminating standing water. Citronella candles or pheromone traps provide additional protection. The coffee method works best as part of an integrated pest management approach for outdoor spaces. ## Benefits of natural solutions This chemical-free approach is safe for families with children and pets, inexpensive, and environmentally friendly. While not a permanent solution, it's a worthwhile addition to your pest control arsenal. Perfect for those seeking natural alternatives to enjoy their outdoor spaces without unwanted buzzing visitors. ## Sources covering this story - https://www.idealhome.co.uk/garden/garden-advice/how-to-deter-flies-and-mosquitoes-from-a-patio-with-coffee-and-bicarbonate-of-soda — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._