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Save Our Community's Citrus

Post Date:04/27/2017 5:29 pm

The California citrus we all know and love is at risk.  A devastating plant disease called Huanglongbing, also known as HLB or citrus greening, has been found in Southern California.  HLB kills citrus trees and there is no cure.  Diseased trees produce bitter, hard and lopsided fruit, and eventually die.  The disease is spread by a pest called the Asian citrus psyllid as it feeds from tree to tree.  Psyllids are small, about the size of an aphid, and can be seen on the small, tender, new leaves of citrus trees.  The best way to protect California citrus from the disease is to stop the spread of the pest.  

We All Play a Critical Role:

  • Inspect your citrus trees monthly for the pest and disease.
  • Do not move citrus plants, leaves or foliage in or out of your community, or across state or international borders.
  • Cooperate with agriculture crews placing traps, inspecting trees and treating for the pest.
  • Talk to your local nursery or garden center about products that can protect your tree from the Asian citrus psyllid.
  • Plant citrus trees from reputable, licensed nurseries in your area.
  • When grafting trees, only buy registered budwood with source documentation.
  • Control ants on your citrus trees.  Ants interfere with beneficial insects and actually protect the Asian citrus psyllid.  Talk to your local nursery about ant bait that can help.
  • If you no longer wish to care for your citrus tree, consider removing it so it does not become a host to the pest and disease.
  • If you suspect your tree has the psyllid or disease, act fast! Call the California Department of Food and Agriculture at 800-491-1899

For more information, visit or watch the presentation given at the City Council meeting linked below.

City Council Meeting Presentation - Huanglongbing (HLB) Disease by the Citrus Pest & Disease Prevention Program