Slice an onion in half and place it near windows, doorways, or areas where flies gather.

Replace the onion every 2–3 days to maintain effectiveness.

2. Repel Mosquitoes

Mix chopped onion with a few drops of water to create a natural mosquito deterrent.

Place near outdoor seating areas or on windowsills to keep mosquitoes at bay.

3. Deter Rats and Mice

Place onion slices or small onion pieces in corners, cupboards, or pantry shelves.

The strong smell can help discourage rodents from nesting in those areas.

4. Keep Bugs Out of the Garden