Know that it will take 4 - 8 weeks to fully get rid of the flea problem no matter what you use because of the nature of fleas - notorious survivors. Besides dousing carpet, floors, upholstery and other hard to reach places with salt and borax, these herbs will also deter fleas and prevent further infestation: pine cedar, bergamot, rosemary, lavender, eucalyptus, citronella, juniper or geranium. You can use herbal shampoos with any of them (or a mixture) to wash your dogs/pets. Spreading dry or powdered herbs in the fleas' hiding spaces will also help.
Mother Earth website can provide other valuable suggestions.
Last edited by MaryMo; 01-10-2014 at 01:31 AM.