3. Coffee Grounds

Coffee grounds can attract pests like cockroaches due to their smell, and placing them in jars or containers can encourage the insects to enter. However, the idea that caffeine in coffee can kill insects is not well-supported by scientific evidence, and coffee grounds are more likely to act as an attractant rather than a reliable repellent. This method may work temporarily but is unlikely to solve an infestation problem on its own.

4. Garlic

Garlic has a strong odor that may make it unpleasant for pests like cockroaches and mice. While it may help keep some pests at bay, it is not a guaranteed method for complete pest control. The effect is often short-lived, and it is unlikely to have a significant impact on a full-blown infestation.

Conclusion

Natural methods like using citrus peels, bay leaves, coffee grounds, and garlic can have some mild effects on deterring cockroaches and mice, but their efficacy is limited. These methods are safer alternatives compared to chemical repellents and can be used as part of a broader pest prevention strategy. However, for persistent infestations, it may be necessary to seek professional pest control services. Always ensure your home is clean and properly sealed to reduce the risk of pest entry.