There are several natural and DIY remedies that can repel roaches. Here are some of them:

1. Spices: Roaches cant stand the smell of certain spices, such as bay leaves, cucumber slices, or coffee grounds. Sprinkle these spices in cockroach-prone areas to ward them off.

2. Tea tree oil: This essential oil is known for its ability to fend off bugs of all kinds. Mix 1/4 cup of tea tree oil with 2 cups of water in a spray bottle and spray it throughout your home to repel roaches.

3. Borax and sugar: Combining borax and sugar is a very effective combination that kills off roaches. Mix three parts borax to one part sugar and sprinkle it around your home to keep the roaches at bay.

4. Diatomaceous Earth: This natural repellent is composed of fossilized algae that dehydrates roaches exoskeletons. Sprinkle it or use it as bait in concentrated areas where you are experiencing roach issues.

5. Essential oils: Some essential oils, such as rosemary oil, are effective at repelling roaches. Mix rosemary oil with water and spray it in problem areas.

6. Catnip: Placing small satchels of catnip around the areas of your home where you’ve seen roaches should keep them at bay. Catnip contains nepetalactone, a chemical that actively repels roaches.

7. Plants: Certain plants, such as rosemary, mint, and catnip, can help deter roaches and keep them at bay. Place these plants in pots around your home to repel roaches.

Its important to note that while these remedies may provide a limited level of deterrence, their effectiveness is generally lower than chemical repellents.