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The most effective natural roach repellent is Borax with its key ingredient of boric acid and diatomaceous earth. But some homeowners may not feel like these are “natural” enough, especially since you can’t use Borax around curious pets or toddlers.

On the other hand, studies have shown that oregano oil mixtures have some of the best repellent effects, and other research indicates that catnip oil, peppermint oil, and citrus oils have notable effects on keeping roaches away. Rosemary oil has been shown to be the most effective natural oil for killing cockroaches outright.

Groundhogs are non-aggressive animals that are afraid of humans. They forage for vegetation in yards and gardens, so they can often be seen as a nuisance if you spot one on your property. That said, if you happen to get bitten or scratched by a fearful groundhog, be sure to get checked by a doctor, as they could carry infections or diseases like rabies, Lyme, or the rare tularemia.

In some cases, a clean house can have roaches, especially if you have excess moisture somewhere. You may want to check for leaky pipes or look underneath sinks to make sure water isn’t dripping near a hidden area that is inviting the cockroaches in. Roaches can also take up residence in clean homes with not-protected food sources, like open bags of food in a kitchen cupboard.

Spiders are not typically attracted to bedding as a primary source of food or shelter, but they sometimes inadvertently end up there. Spiders can hitch a ride on your clothing, belongings, or through open windows and doors. The underside of a bed, especially if it's near a wall or corner, can provide such a sheltered spot where they can hide and build webs. Dust and clutter under your bed can create ideal hiding places as well. If your room has other insects like flies or mosquitoes, spiders may be drawn to the area in search of prey.