One of the YTers who lives in CA suggested this web site for natural flea repellents/preventatives. You will have to sift through the site to get what you are looking for.
Chinaroad Lowchens of Australia ~ Site Menu ~ Thousands of canine articles and links
We live in East Central FL. I have to give some flea and heartworm preventative year round. I had to treat both guys for flat worms twice in the past year because of flea bites.
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Zack, Zeke, Zoey, Zipp RIP 6/28/12
