University of Hawai‘i at Manoa
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Agricultural Diagnostic Service Center

The Agricultural Diagnostic Service Center provides soil, water, and tissue analysis, as well as diagnosis of diseases and pests. Click here for a current price list. Samples may be dropped off at a Cooperative Extension office on the Island of Hawaii; check for the nearest locations in your area. Please contact us for hours of these offices.

Home Gardening

The purpose of the Master Gardener program is to meet the demand for horticultural information from an increasingly urban clientele. Master Gardeners are available to answer your questions on M, Tu, and F from 9 a.m. to 12 noon at the Komohana Agricultural Complex, 875 Komohana St., Hilo, HI 96720, 808-981-5199 ext. 202 or 203. They are available to answer your questions on Th 9 a.m. to 12 noon at the Kona Cooperative Extension Office, 79-7381 Hawaii Belt Rd., Kealakekua, HI 96750, (808) 322-4895. Please call first to confirm the dates and times of availability.

Commercial Growers

Cooperative Extension Agents and Specialists provide information and services to commercial growers. Contact the appropriate Agent or Specialist for Hawai`i Island for more information.