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HLB Virus Information and Resources 

**CITRUS QUARANTINE EXPANDED TO VALLEY CENTER AS OF MARCH 2025**

Parts of San Diego County are under a citrus quarantine due to the HuanglongBing (HLB) virus spreading from the Asian Citrus Psyllid. Oceanside, Valley Center, Escondido, and now Fallbrook are under quarantine. 

IF YOU BELIEVE YOUR PLANT IS AFFECTED PLEASE CALL THE CITRUS PEST HOTLINE: 1-800-491-1899

 

Map showing citrus pest control zones in California, with areas marked by blue, green, and purple indicators.

CLICK HERE TO SEE QUARANTINED AREAS

 

CLICK HERE FOR CDFA'S REGULATION AND QUARANTINE BOUNDARIES

 

Download these informational PDF's below: 

hlb_what_to_expect.pdfHLB_Sample_Protocol.pdf

 

Citrus Insider Informational Materials

 

Click here for information on the County's Citrus Quarantine Program

 

Infographic about citrus quarantine in California due to Huanglongbing (HLB) disease, symptoms, affected areas, and actions to take.