Citrus Greening (Huanglongbing / HLB) in Texas
CRITICALDisease
Citrus Greening (Huanglongbing / HLB) is currently active in Texas. Watch your susceptible trees closely and act early.
About Citrus Greening (Huanglongbing / HLB)
The most devastating disease of citrus worldwide, spread by the Asian citrus psyllid. There is no cure. It has caused billions of dollars in losses to the Florida citrus industry and threatens production in Texas, California, and other citrus-growing states.
Symptoms to watch for
Asymmetric blotchy mottling of leaves, lopsided and bitter small fruit with aborted seeds, twig dieback, overall canopy thinning and decline, yellow shoots (yellow dragon symptom)
Trees at risk in Texas
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Treatment options
Asian Citrus Psyllid Control
Aggressive insecticide programs targeting the psyllid vector, including systemic neonicotinoids and foliar sprays. Reduces disease spread but does not cure infected trees.
Removal of Infected Trees
Prompt removal of confirmed HLB-positive trees to reduce inoculum sources in the area. Required in some state regulatory programs.
Nutritional Therapy (Enhanced Foliar Nutrition)
Enhanced micronutrient foliar spray programs to maintain productivity of infected trees. Does not cure the disease but can extend productive lifespan. Effectiveness varies.
Recommended Products & Tools
Helpful supplies for managing Citrus Greening (Huanglongbing / HLB). Always read and follow label directions, and confirm a diagnosis before treating.
Protectant spray for many bacterial and fungal diseases.
For the rare case sealing is advised (e.g., oaks in oak-wilt season).
Sharp, clean cuts to remove affected wood — a tree-care essential.
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Need help with Citrus Greening (Huanglongbing / HLB) in Texas?
Connect with ISA Certified Arborists serving Texas:
Browse all Texas arborists →Frequently asked questions
Is Citrus Greening (Huanglongbing / HLB) in Texas?
Citrus Greening (Huanglongbing / HLB) is currently active in Texas. Watch your susceptible trees closely and act early.
What does Citrus Greening (Huanglongbing / HLB) look like?
Asymmetric blotchy mottling of leaves, lopsided and bitter small fruit with aborted seeds, twig dieback, overall canopy thinning and decline, yellow shoots (yellow dragon symptom)
What trees does Citrus Greening (Huanglongbing / HLB) affect in Texas?
It affects Sweet Orange, Lemon, Grapefruit. Susceptibility varies by species.
How do I treat Citrus Greening (Huanglongbing / HLB)?
Options include: Asian Citrus Psyllid Control, Removal of Infected Trees, Nutritional Therapy (Enhanced Foliar Nutrition). Confirm the diagnosis before treating, and consider a certified arborist for high-value trees.