UCCE Master Gardener Program
of Humboldt and Del Norte Counties
Humboldt County Office
5630 South Broadway
Eureka, CA 95503
Phone (707)445-7351
Del Norte County Office
586 G Street
Crescent City, CA 95531
Phone (707)464-4711
Advice to Grow By
GET GARDEN ANSWERS: ASK A MASTER GARDENER
THE COASTAL GARDENER NEWSLETTER
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Current Issue: Summer 2024
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Pests in the Urban Landscape
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Can I Use Vinegar to Control Weeds?
Acetic acid, also known as vinegar, is used in products for weed control. Many people choose it because it is natural. However, acetic acid can damage skin and eyes, especially at concentrations commonly found in weed killers. What is the difference...
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What are exotic and invasive pests?
Exotic and invasive pests threaten California's natural environments, agricultural production, structures, landscapes and gardens. Exotic pests are organisms introduced into an area beyond their natural range and become pests in the new...
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Urban Pesticides, Fertilizers, and Water Quality
Pesticides and fertilizers applied around homes, residential or commercial landscapes, school sites, and other areas can enter our creeks, rivers, and oceans, degrading water quality. While pesticides and fertilizers can be useful in controlling pests...