Bulwark Exterminating, Seattle

Bulwark Service Pros' aim to please! Their goal is to keep your lawn weed-free and looking sharp for many years to come. They will do their best to kill current weeds, while preventing future ones and transform your lawn into a dense, green, lush yard that will choke out weeds on its own. This is done by feeding the turf with fertilizer (Regular applications are needed to best achieve long-term weed control and to build thick turf.) They back up all their work with a 100% guarantee. If you notice any weeds up to 60 days after application, they will return free of charge and treat again.