Is flea prevention needed year-round? - The Drake Center

In San Diego, we need flea protection year around. We have fleas here all the time because it never freezes. It may depend on where you live, but for the most part, year-round prevention is the best way to go.

Is flea prevention needed year-round? - Advanced Animal Care

I would highly recommend it year-round. We don't see cold enough winters here for really anything to die off. And so we see them on your pets year-round here in the clinic, and so I would strongly recommend you keep them on prevention year-round.