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Rich Colwell, President, Mountain Mandarin Growers' Association

916-672-7451 |

Help Us Protect Our Orchards!

By Cindy Fake, UC Cooperative Extension, Placer and Nevada Counties.

Citrus from outside Placer County may carry the Asian citrus psyllid. This tiny insect carries the deadly bacterial disease called Huanglongbing (HLB) or citrus greening. HLB kills citrus trees and could destroy California citrus production and Mountain Mandarins. The insect is already in Southern California and we want to keep it out of Placer County.

Help protect the Mountain Mandarin industry by following these guidelines:

  1. Do not bring any citrus fruit, trees, or leaves into Placer County from other California counties, other states, or countries.
  2. Buy your mandarins from local Placer County growers.
  3. Buy only certified disease-free citrus trees from a reputable nursery. Do not share any uncertified citrus rootstock or budwood, as it could carry the disease.

Learn more about this threat to Placer County's mandarins at

Watch Our Video!


Additional Links of Interest

Get up-to-the-minute details about the annual Mandarin Festival at:

For information on a variety of growers throughout Placer County, visit:

Find the location of your nearest PlacerGROWN Foothills Farmers' Market:

Visit the Placer Wine Trail:

Information about the Auburn Wine Festval can be found at:

Get information about upcoming events from the Placer County Visitors Council & California Welcome Center:

Find out what's going on in Placer Valley: