What palmetto bugs are, why they invade Florida homes, and how to actually keep them out.
Quick answer: palmetto bugs are large American cockroaches. To get rid of them, seal entry points, fix moisture (leaks, drains, A/C condensation), remove food and water sources, and use professional baiting at harborage points. DIY sprays kill what you see but rarely keep them out in Florida’s climate.
It is the Florida nickname for the American cockroach — a large, reddish-brown roach that lives outdoors in mulch, sewers, and tree holes and pushes indoors for moisture, especially during the wet season.
Heavy summer rain and irrigation drive them in through drains, gaps around pipes, and door sweeps. They are drawn to damp areas — kitchens, bathrooms, and garages.
Seal gaps around plumbing and doors, fix leaks, keep mulch away from the foundation, empty trash, and reduce clutter. These steps cut the pressure but rarely solve an active problem alone.
If you see roaches regularly, professional cockroach control treats the harborage, voids, and drains they hide in, then a recurring barrier keeps them out. See also how often to treat.
Yes — palmetto bug is the Florida name for the large American cockroach.
Heavy rain floods their outdoor harborage, so they move indoors for shelter and moisture — common in the May–October wet season.
An initial treatment helps, but recurring service is what keeps palmetto bugs from returning in Florida.
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