in General Catnip is a natural cockroach.. by Chirag Chauhan April 22, 2018, 4:27 am 36 Views Catnip is a natural cockroach repellent. Catnipcockroach repellent Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment * Name * Email * Website By using this form you agree with the storage and handling of your data by this website. *