Humboldt Botanical Gardens

The Humboldt Botanical Garden is a 44.5 acres (18 ha) botanical garden located four miles south of Eureka, California, United States. The Garden is near the South Bay portion of Humboldt Bay on the north side of the College of the Redwoods. Grading and site preparation began in August 2003. Featuring views of Humboldt Bay and the Pacific Ocean, the garden opened in 2006, with more development completed by 2008. The Humboldt Botanical Garden (HBG) business office is located in downtown Eureka and is operated by the nonprofit Humboldt Botanical Garden Foundation which had over 1000 members in 2020 growing to 1667 members in 2025. HBG is a member of the American Public Gardens Association, the American Rhododendron Society, and the American Horticultural Society Reciprocal Admission program. The garden is "a repository for many rare and hard to grow rhododendrons and their companion plants" according to a local office of the American Rhododendron Society. HBG is listed by the California Native Plant Society as one of the 17 California gardens with notable California native plant collections. The Gardens were first organized in 1991. Originally a farm, the site is a grassy escarpment with meadows and woodland, and a year-round stream. The area's climate, which straddles Mediterranean and Pacific Marine allows for a diverse group of plants. Its Native Plant Garden has an emphasis o

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