Placer County, California · Educational Nonprofit
We're not just about oranges — we're about roots.
The Mandarin Orange Education Foundary preserves and shares the history of the mandarin orange in the Placer County foothills — a story of immigrant families, hard-won orchards, and a fruit that came to define a region.
Yes, “Foundary” is intentional — read the story behind our name.
Our Heritage
How the mandarin came to the foothills in the 1880s — and became the crop that carried Placer County into its second century.
Read the story →Our Projects
How MOEF supports the community — from the Mountain Mandarin Festival to student scholarships and heritage education.
See projects →Share Your Story
Share your family history, or help us preserve the story of Placer County's mandarin heritage.
Get in touch →
Proudly Supporting
The Mountain Mandarin Festival
Each year the week before Thanksgiving, up to 35,000 visitors celebrate Placer County's mandarins at The Grounds in Roseville. MOEF is proud to support the Festival.
Visit the Festival site →