What Repels Spiders. Using houseplants to keep bugs away is not a new concept. Spiders hate the smell of citronella and will avoid areas with this oil.
Repel Spider the All-Natural Way Chemical-Free Spider Solution. Using houseplants to keep bugs away is not a new concept. You can simply take hedge apples and put them in your crawlspace or basement to help keep spiders out.
Fill the bottle with water, add a shot of dish soap, and shake the mixture well.
Then, fill the spray bottle almost to the top with warm water.
Citronella repels more than just mosquitoes - it also repels spiders! They also repel mice and a host of other insects and pests. While spider repellents will more than likely get the job done, maybe you don't want to use them because you have an infant in the house or you simply dislike pesticides.