If you suspect the aster yellow phytoplasma in your watercress, please contact your local cooperative extension service:

Big Island:


Komohana Extension Office: (808) 981-5199

Kamuela Extension Office: (808) 887-6183

Kona Extension Office: (808) 322-4892


Kauai:

Lihue Extension Office: (808) 274-3471


Maui:

Kahului Extension Office: (808) 244-3242


Molokai:

Molokai Extension Office: (808) 567-6929


Oahu:

Pearl City Urban Garden Center: (808) 453-6050

Kaneohe Extension Office: (808) 247-0421

Wahiawa Extension Office: (808) 622-4185

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The Watercress Task Forces is a collaborative project by the University of Hawaii, College of Tropical Agriculture and Human Resources, Hawaii State Department of Agriculture, and Crop Care Hawaii