The answer to 'how often for flea control' is that most experts recommend treating for fleas every 4-6 weeks during flea season, which is typically spring through fall. This helps break the flea life cycle and prevent infestations in your home. Consistent, regular treatment is key for effective flea control.
Factors like the climate, number of pets, and severity of the flea problem may require more or less frequent treatments. It's best to consult a professional pest control technician to determine the optimal treatment schedule for your specific situation.