Fleas? Dogs and cats both fight them every year.
Fleas can be a real problem; not only for the discomfort of your pets but for the nuisance they are. I can't stand them and neither can our dogs or cats.
I have referenced below a blog about fleas and other pests. But what has worked for us personally?
We have found that beneficial nematodes work. A popular Saturday AM morning talk show in San Antonio is done by Bob Webster who owns the Shades of Green nursery on W Sunset. They believe in the organic way so I have applied some of their methods throughout the years. Not all have worked for me but I am not an avid gardener.
But what has worked is the program that Bob and the Dirt Doctor Howard Garrett out of the Dallas area recommend for fleas. Below I have the links for both Shades of Green and Dirt Doctor website. Dirt Doctor is FULL of interesting information.
This picture of beneficial nematodes is from the Dirt Doctor website. See below for link.
We started using the Beneficial Nemotodes about 7 or 8 years ago. The first time we put them out it did not seem to be working until about 3 weeks had passed. Then no fleas. None. So we have continued to use them every year with good results. They are not only good for fleas but for ticks also but we have never had a tick problem. Spring and fall are the best times to apply. They move in moisture so it is better to water your yard before you apply. They are advertised that they work for termites, fire ants and roaches also.
Our pest control man believes in them also as well as diatomaceous earth. We have put DE around the perimeter of our house to control pests. Per the Dirt Doctor website:
Diatomaceous earth can be applied in a variety of ways. To use for flea and tick control, apply a light dusting over the lawn, in dog runs, around pet bedding or favorite resting spots.
It will kill bees also so do not put anywhere you might have honey bees that you do not want to kill
Information from blog on Stop the Fleas 
This website has information and discussion on fleas, ants, bed bugs, lice, termites and mice. It also has reviews of items that are sold for these problems.
Can't guarantee its always right but it does have information and comments from people all over the US.
Other websites mentioned:
Dirt Doctor on Beneficial-Nematodes
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