Ongoing research

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 The UC Master Gardeners of Sonoma County are dedicated to helping home gardeners in Sonoma County. We are University of California-trained and certified volunteers providing research-based knowledge, information and education to help you and your garden thrive. Learn from us about how to garden using…

The California Tree Failure Report Program (CTFRP), now called the Western Tree Failure Database (WTFD), was established in 1987 to collect quantitative information on the mechanical failure of urban trees (trunk breaks, branch breaks, and uprootings).

UC Master Gardeners are here to help answer your gardening questions.

"The Wolfskill Experimental Orchards are a research treasure," says Professor Ted DeJong, a University of California pomologist and the Orchard's director.