Oʻahu Gardening Events

Find Us to talk story about your garden or submit a MG Helpline Intake Sheet or insect sample at your local Farmers Market or the Helpline locations listed below. information about gardening in Hawaiʻi is located in Tropical Topics. 

2024 Event Dates: 

• Oct 20 - Windward CC Maia (Banana) Festival, 9 am - 2 pm
• Oct 12 - UGC Second Saturday at the Garden, 9 - 11:30 am
• Aug 17 - City Mill in Hawaii Kai, 10 am - 1 pm
• Aug 10 - Ho`opili Ready, Set, Grow! 8:30 - 10:30 am
• Aug 3 - Halawa Xeriscape Garden Plant Sale
• July 18 - Hale Tuahine Growing Native & Canoe Plants, 10-11 am, Register Here!
• June 29 - Kapiolani Community College Farmer's Market
• June 8 - UGC Second Saturday at the Garden, 9 - 11:30 am
• May 25 - Kapiolani Community College Farmer's Market
• May 11 - Mililani Orchid Club Plant Sale, 8 - 2 pm
• Apr 27 - Kapiolani Community College Farmer's Market
• Apr 20 - Foster Botanical Garden Plant Sale, 9 am - 2 pm
• Mar 30 - Kapiolani Community College Farmer's Market
• Feb 10 - Urban Garden Center Second Saturday, 9 - 11:30 am
• Feb 8 - Ag Day at the State Capital, 11 am - 1 pm
• Jan 27 - Kapiolani Community College Farmer's Market

Like the Oʻahu Master Gardeners Facebook page 

Visit us at your local Farmers Market!

Bring your home gardener question to our “Got a Plant Question” Booth at your local farmers market! Purchase UH Vegetable Seeds for your home garden!

Tips: When bringing plant samples with suspected plant disease be sure to bring new leaves AND old leaves, include flowers or fruits that show symptoms. Dead leaves or rotting fruit does not allow us to see all the symptoms of the problem! Pictures of the garden or plants showing stress is encouraged! Please read here for more information: Collecting Plant Disease and Insect Pest Samples for Problem Diagnosis.

Current:

• Kapiolani Community College Farmers Market, last Saturday of the month (every other month) - January, March, April, July, Sept., Nov. 2024

Join Us!  

Application for the Master Gardener Class of 2024 is closed.

To be placed on a notification list for the 2025 training class, use the following link to complete an application notification form:  2025 MG Course Notification Form

We are trying to grow our volunteer program and we invite you to apply. The UH Master Gardener Program on O'ahu hosts its introductory training class every Friday (except holidays), 9AM -1PM from February – May and hands-on project sessions on weekdays. Please click on the link to view our 2025 MG Course Invitation to Apply  and read through our program requirements. This program depends on your volunteer commitment. If accepted into the program as a volunteer of the University of Hawai‘i Master Gardener Program, you will sign a contract with us to fulfill 50 volunteer hours within the first year of completing the training course (June 2025-May 2026), and includes 30 community service hours. 

Educational Outreach

Oʻahu Master Gardeners are reaching out to home gardeners, school garden educators, elementary school students, and plant industry professionals! Click the links below to find out more!

• School Gardening Basics
• Second Saturday at the Garden! program
• Hawaii Fruit Fly Suppression Program
  Video available online! Fruit Fly Control in Hawaii: How to control Hawaii's fruitflies

Do you have a request for a Gardening Presentation for your local organization taught by a UH Master Gardener?  Please request at least 1 month in advance via our on-line form.

• Email tinat@hawaii.edu for a speaker request

Annual Events where you can find “Got a Plant Question” Master Gardener booths

• Hawaii State Farm Fair (Hawaii Farm Bureau)
• Halawa Xeriscape Garden’s “Unthirsty” Plant Sale 
• Waimea Valley Banana Festival