Humboldt-Del Norte

Learn how to become a 4-H volunteer in Humboldt or Del Norte County. See the ways you can help as a volunteer!

Summary of Black Stain Root Disease (Leptographium wagneri), trees affected by them, management strategies, along with pests and pathogens with a similar display of symptoms on trees

Hydesville 4-H Club information, meeting times, projects offered, officer team

Join 4-H in Humboldt County or Del Norte County. Learn how to get started and who to contact with questions.

Humboldt County has some of the most productive pastures and rangeland in the United States due to our temperate, climate, fertile soils, and abundant rainfall. Pasture production can be improved by using improved varieties of grass and clover and by fertilizing.

Newsletters and reports from UC Cooperative Extension Humboldt/Del Norte and publications produced by UC ANR.

Summary of Armillaria Root Disease (Armillaria spp), trees affected by them, management strategies, along with pests and pathogens with similar display of symptoms on trees

Miranda 4-H Club information, meeting times, projects offered, officer team