College of Tropical Agriculture and Human Resources
 Agricultural Diagnostic Service Center - Seed Program
Frequently Asked Questions
  1. What is a HGP?
    A HGP is short for "Home Garden Packet." It is suitable for use for the home gardeners and beginners in gardening. HGPs cost either $1.00 or $3.00 depending on the crop you buy. Click here to see an HGP.

  2. What is the postage rate for only ordering HGPs?
    There is no postage if you only order HGPs. Postage is FREE!!!

  3. What is the difference between a determinate and an indeterminate tomato variety?
    A determinate variety just means that the given tomato variety grows as a bush. Indeterminate variety means that the given tomato variety grows as a vine.

  4. What is the difference between the Supersweet #9A corn and the Silver corn?
    The main difference between the Supersweet #9A corn is that it is a yellow variety while the Silver corn is a white variety. The Silver has larger and tender kernels, but both are very sweet and delicious. Both make excellent backyard grown corn all year long.

  5. Are seeds able to be picked up and if so when and where?
    Yes you may come by and purchase seeds directly from us. We are open M-F 8:30am to 4:00pm Hawaiian time except holidays. Please contact us before arriving so we can prepare your seeds in advance. **Note: The University of Hawaii has several designated public parkings areas on campus. Payment is via new Parking Kiosk stations situated in each area. Price various depending on length of time purchased. Please check our campus map to find us.

  6. Can we order Rainbow or SunUp GMO papaya seeds without attending an educational session?
    No. Both seeds require an educational session before one orders them. The session can be viewed at any county extension service office or here at U.H. Manoa. Please contact the appropriate office to set up an appointment. **Note: Rainbow and SunUp cannot be sold or shipped out of the State of Hawaii.
  7. Can we ship to Foreign Destinations beyond the US states?

Yes, we can ship seeds to Foreign countries however please first check with your local Agricultural Authorities whether an Import Permit is required for the seeds being imported. With the Import Permit, we will need to have the seeds inspected at our local USDA APHIS Quarnatine office to have a Phytosanitary Ceritificate issued. The Certificate fee ranges from $61.00 up to $112.00 which is charged to the customer. Once the seeds are cleared and official documents processed, the seeds will be shipped out with original documents attached to the outside of the parcel.

Forms of payment accepted?

We accept only US currency, Personal checks, Bank Checks, or Money Orders. No Credit or Debit Cards. We can accept Bank Wire Transfers however a fee of $25.00 will be added to the invoice. This it to cover the fees charged to our account for the electronic transfer from the sender''s bank. Some off our foreign customers choose to use this method of payment.


Listed below are the various UH-CTAHR Cooperative Extension Service Offices:
Island District Address Telephone
Hawaii Hilo 875 Komohana St., Hilo 96720 981-5199
  Kamuela 67-5189 Kamamalu Rd, Kamuela 96743-8439 887-6183
  Kona P.O. Box 208, Kealakekua 96750 322-4892
Kauai Lihue State Office Bldg., 3060 Eiwa St. Rm. 210, Lihue 96766 274-3471
Maui Kahului 310 Kaahumanu Ave., Bldg. 214, Kahului 96732 244-3242
Molokai, Lanai Hoolehua P.O. Box 394, Hoolehua 96729 567-6833
Oahu Honolulu 1910 East-West Rd., Sherman Lab Rm. 108, Honolulu 96822 956-7890
  Kaneohe 45-260 Waikalua Rd. Kaneohe 96744 247-0421
  Urban Garden Center 962 2nd St., Pearl City 96782 453-6050
  Wahiawa 910 California Ave., Wahiawa 96786 622-4185
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