Orange, grapefruit, lemon and lime oils, derived from the peels of these citrus fruits, contain d-limonene, which is lethal to fleas but safe for dogs.
Yard care is key to keeping down that flea population.
Debris under the shrubs and too-tall grass are breeding grounds for fleas that need humidity and shade for the larvae to survive. Sunlight and heat are fleas' enemies -- so air the dog's beddings in the sun each day.
From AssociatedContent.com: Another nontoxic way to get rid of fleas outside is to use a natural enemy. Visit your garden store or nursery and ask for Steinernema carpocapsa. This is a nematode that thrives on flea larvae. They kill fleas by eating them. They are sprayed onto the yard in places where fleas are located. Reapply as needed to kill fleas. If you can't find them locally, these flea-killing nematodes can be bought online.
Cedar chips naturally repel fleas, so they can be used around dog bedding and under shrubs and trees.
At www.stopthefleas.com, they suggest water as the answer to ridding fleas in the yard. Flea larvae do not survive when flooded with water.
"Therefore, the easiest way to get rid of fleas from your lawn is to flood the entire lawn periodically to kill the parasites. The water also washes off the feces of adult fleas on which the larvae survive. In the rainy season, nature takes care of the problem. During a dry season, we have to cut the grass, remove weeds and debris from the lawn and flood it periodically to prevent fleas from breeding as well as to kill the fleas."
Seems drastic, but after last summer, well ...
Reach Sara Busse at sara.bu...@wvgazette.com or 304-348-1249.