How Often Should You Apply Neem to a Vegetable Garden?

Apply neem oil to vegetable garden foliage every seven to 14 days. Spray neem oil on leaves to allow the plant to absorb the product through the foliage. Insect control occurs when pests consume plant foliage. Reapply neem oil after rain or watering.

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About this Author

S.F. Heron is an avid gardener with three years of experience in online writing and a working background in aviation and earth and ocean sciences. She is published on various sites, including Helium, eHow and Xomba. She holds a Bachelor of Science degree in journalism from the University of Maryland.