East Hawaiʻi Master Gardener Helpline 

If you are a homeowner and have a horticulture question or request Master Gardener services in East Hawaii, please contact the helpline:
 

Days: Friday
Time: 9 am to noon
Phone: 808-969-8203
email: himga@hawaii.edu
 

Komohana Research & Extension Complex

875 Komohana St.
Hilo, HI 96720  

East Hawai'i Master Gardener Links

• Home
• Helpline
• Frequently Asked Questions
• Pest and Disease Analysis
• Fruit Fly Information
• Little Fire Ant Information
• Useful Links
•  VMS
• Plant Sale
• CMS Site for Members

East Hawaiʻi Master Gardener Coordinator

If you are interested in becoming a Master Gardener please fill out the 2026 Interest Form.

(For homeowner horticulture questions contact the helpline 808-969-8203)

Laura Rieber

Komohana Research & Extension Complex
875 Komohana St.
Hilo, HI 96720
Phone: (808) 969-8272
email: laura.rieber@hawaii.edu

Plant Sale + ʻŌhiʻa Love Fest!

Next Plant Sale: Sunday January 25, 2026

Time: 10-2

Cash Only Event

The 2025 Plant Sale was a huge success with the partnership with the 'Ohi'a Love Fest. Thank you to all who came down to support! Please join us next year at our next event! We are already starting to propagate! 

 CLICK to view the Plant Sale Video

Information Booths for the 2025 Event:

Hawaii Fire Ant Lab

Hawaii Invasive Species Council 

Hawaii Forest Institute

ʻUlu Cooperative

Hawaii Tropical Fruit Growers Network

Indigenous Cropping Labs

Go Farm Hawaii 

Outdoor Circle 

Friends of Liliuokalani Park

Big Island Orchid Society 

Master Gardener Micro Hydroponics

One Cacao Tree - Micro Chocolate Fermentation

Master Gardener Perennial Edibles   

CTAHR Extension Faculty including our in house Entomologist, Ag Finance Agent, Cassava Researcher. 

And MORE!