News and Events


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Fire and Clay

Fire and Clay 31 August 2023

Fire and Clay

NREM wildfire expert answers 50+ media calls

A heartfelt mahalo from the CTAHR ‘ohana to Clay Trauernicht of the Dept. of Natural Resources and Environmental Management. As the Maui wildfires tragedy unfolded, Clay was interviewed by at least 50 different media outlets from across the country and internationally. With the highest level of scientific integrity, advocacy, and professionalism, he represented NREM, CTAHR, UH, and the state of Hawaiʻi to millions of people around the world.

Senator’s Stop

Senator’s Stop 31 August 2023

Senator’s Stop

Kauaʻi Extension gives Mazie Hirono the grand tour

U.S. Senator Maize Hirono received the red carpet treatment August 14 as she toured the Kauaʻi Agricultural Research Center along with Extention agents, specialists, and Jeremy Elliott-Engel, CTAHRʻs new Associate Dean & Director for Cooperative Extension.

Gene-ius Day

Gene-ius Day 31 August 2023

Gene-ius Day

Oʻahu and Big Island keiki participate in our summer program

The Genius Day Program holds its STEM program for Hawaiʻi public middle schools every summer. It all started in 2006 by Dr. Ania Wieczorek. For the month of June, middle school students participated in a week-long course filled with lots of educational and hands-on science related activities. The overall significance of this program is to educate middle school students on the field of science, and interest them in a STEM-related career.  The all-day program ran from June 5-30, Monday-Friday. 

LICH Conference

LICH Conference 31 August 2023

LICH Conference

Sign up now for the September event

After a four-year hiatus, the landscapers are back. Thatʻs right, the 2023 Green Industry Annual Conference is set for Sept. 14-15 at the Hawaii Convention Center. Hosted by the Landscape Industry Council of Hawaiʻi, the event will be jam-packed with learning opportunities, including can’t-miss presentations by CTAHR faculty. 

Next Gen Agents?

Next Gen Agents? 10 August 2023

Next Gen Agents?

Extension holds a popular field day at Waimānalo R.S.

A throng of landscapers, farmers, and residents showed up for Sterile Landscape Tree Field Day at the Waimānalo Research Station, hosted by Ken Leonhardt and Alberto Ricordi of the Dept. of Tropical Plant and Soil Sciences. Since then, CTAHR has fielded multiple requests for an encore performance.

Smart Tech

Smart Tech 10 August 2023

Smart Tech

Extension shows growers how to leverage devices and apps

Technology is impacting industries big and small, and agriculture is no exception. But it don’t mean a thing if you ain’t got that swing. With many growers reporting they don’t own a computer or smart phone, while others report they have such devices but don’t know how to use them, Extension’s Amjad Ahmad organized an educational workshop for local growers on harnessing the latest technologies that impact ag. 

Carrots for Hawaiʻi

Carrots for Hawaiʻi 10 August 2023

Carrots for Hawaiʻi

Extension’s field day sows plenty of public interest

With more than 50 varieties of carrots out there, choosing the right one to grow successfully in Hawaiʻi can be a daunting task. The need for hands-on guidance – and the public’s interest for learning more – was apparent Aug. 5 as Extension’s Jensen Uyeda and Koon-Hui Wang of the Dept. of Plant and Environmental Protection Sciences held a Field Day at the Poamoho Experiment Station.

Island Hopping

Island Hopping 6 July 2023

Island Hopping

New Extension dean visits Ag Fests on Maui and Kauaʻi

Jeremy Elliott-Engel, CTAHR’s new Associate Dean & Associate Director for Cooperative Extension, hit the ground running with flights to Maui for the Maui Ag Fest & 4-H Livestock Show and Kauaʻi for the Kauaʻi County Farm Bureau Agricultural Festival.

Building an Ag Workforce

Building an Ag Workforce 6 July 2023

Building an Ag Workforce

UGC partners with Waipahu H.S. on workforce development

In line with CTAHR’s grand challenge to advance workforce and economic development, Extensionʻs Urban Garden Center is proud to partner with Waipahu High School and its ʻOhana of Excellence Academy (OEA), a pilot program funded by the Department of Labor and Industrial Relations (DLIR). 

Language-Appropriate Outreach

Language-Appropriate Outreach 6 July 2023

Language-Appropriate Outreach

Extension will use USDA grant to help immigrant farmers

Immigrant farmers in Hawaiʻi whose native tongues include Thai, Lao, Ilocano, Chinese and other languages often find it difficult to access new safety guidelines and other important agricultural information.

Fast Forward

Fast Forward 12 May 2023

Fast Forward

Youths aren’t forgotten in Urban Garden Center’s many interactions with the public

As more than 250 students from 24 high schools across the state gathered to participate in this year’s Future Farmers of America convention on Oʻahu, the Urban Garden Center proved a key resource in the event. The youths visited UGC and took part in fast-paced educational activities around the facility. With their teachers, the students got their hands dirty restarting a static hydroponic system, harvesting locally grown fruits and veggies in raised beds, and transplanting succulents.

What’s All the Buzz About?

What’s All the Buzz About? 12 May 2023

What’s All the Buzz About?

Maui 4-H bee house reopens after pandemic

The Bee House at the CTAHR Maui Extension Office is making a triumphant return after a three-year-long hiatus due to the Covid-19 pandemic. Led by 4-H Youth Development Agent Nancy Ooki and Master Gardener Coordinator and Beekeeper Eric Demaria, the project seeks to teach youths about the importance of bees to Hawaiʻi’s ecosystems. 

The Potential for Sweet Onions

The Potential for Sweet Onions 21 April 2023

The Potential for Sweet Onions

Extension’s field day draws a large, interested crowd

The length of the day plays a large role in the development of sweet onion bulbs, thus farmers in Hawaiʻi have historically been limited to growing only “short-day” onions, especially during the winter when days are shorter. However, there are options for growing intermediate-day varieties in the summer months, and this potential opportunity drew more than 30 growers and community members to Extension’s recent field day at Poamoho Experiment Station.

CTAHR & City Mill

CTAHR & City Mill 21 April 2023

CTAHR & City Mill

Extension’s garden education is a hit with the community

“Basic Planting Guidelines” was anything but academic for the packed house of community members at City Mill’s recent garden education program. Led by Extension’s Tina Lau and the Master Gardeners, it encouraged home gardeners to be plant detectives, able to observe and diagnose their plant problems and to introduce the Oahu Master Gardener Helpline as a resource online, via the telephone, or in-person. It was the latest example of CTAHR and City Mill working together to promote more food production in the state, as well as raise awareness and heighten the availability of garden products locally. 

Honorary Outstanding Alumnus

Honorary Outstanding Alumnus 29 March 2023

Honorary Outstanding Alumnus

The Dean’s Award goes to Fred Lau

After graduating from Kalani High School in 1972 and matriculating to CTAHR, Fred Lau couldn’t wait to start his own business. So in his last year of college, he and a friend left UH to start their own business. Their plan was to look through the Yellow Pages for a nursery-related business with the least amount of competition. The plant rental section had only two businesses listed, so the partners walked into hotels and businesses in Waikiki offering these services to any manager who would meet with them. 

Gone to the Birds

Gone to the Birds 29 March 2023

Gone to the Birds

Extension on the Ground focuses on rose-ringed parakeets

Commercial and backyard gardeners alike will tell you the same thing: fruit is on the tree one day, and gone the next. The culprit? In addition to the local bulbul, doves, cardinals, and myna birds, the rose-ringed parakeet is now a known culprit. These beautiful but voracious invasive pests have been on Oʻahu since the 1930’s, but are quickly growing in population numbers. 

Excellence in Extension

Excellence in Extension 17 March 2023

Excellence in Extension

The Dean’s Award goes to the Banana Bunchy Top Virus Team

The Dean’s Award for Excellence in Extension distinguishes an exceptional Extension faculty member or team whose work has demonstrated outstanding performance and significant results. This year, the award goes to the team who have worked to revitalize the Hawaiʻi banana industry with clean, virus-free planting materials in a statewide Extension outreach program.

Outstanding Volunteer

Outstanding Volunteer 17 March 2023

Outstanding Volunteer

The Dean’s Award goes to Beatrice Sailer

Volunteers are the lifeblood for Extension programs such as 4-H and Master Gardener. The recipient of the Dean’s Award for Outstanding Extension Volunteer goes to Beatrice Sailer, Master Gardener volunteer.

CTAHR Represents

CTAHR Represents 17 March 2023

CTAHR Represents

Grow Hawaiian Festival at Greenwell Ethnobotanical Garden makes a return

On the misty morning of Saturday, February 25th, hundreds of people gathered at the Amy B.H Greenwell Ethnobotanical Garden to celebrate Hawaiian culture and natural history at the 2023 Grow Hawaiian Festival. Hosted by the Friends of Amy B.H Greenwell Ethnobotanical Garden, the festival was the garden’s first event in over 3 years.

On the Air

On the Air 28 February 2023

On the Air

Extension’s Amjad Ahmad is interviewed on Hawai'i Public Radio

Rotting and leafless avocado trees are spreading nationwide due to lace bugs. With the trees in jeopardy, Extension agents in the Dept. Of Tropical Plant and Soil Sciences are doing extensive research to determine the most effective courses of action to get rid of these pests. Their research thus far has determined some strategies that could help avocado tree owners decrease their chances of attaining lace bugs and even exterminating them.

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24 April 2020

What’s Easy to Grow, Healthy, and Tasty? Beans!

Legumes are good for you and good for your back yard

What’s Easy to Grow, Healthy, and Tasty? Beans!

If you’re starting a home garden, make sure you add beans! Beans improve soil fertility, which helps crop diversity and sustainability in Hawai‘i. They’re highly nutritious—rich in protein, fiber, and the good carbohydrates. And beans don’t require much water or fertilizer, yet they’re fast-growing and produce heavy yields, especially if you’ve picked the right location.

As a vegetarian advocate for healthy eating, I am a big believer in adding legumes—beans—to your everyday diet. The benefits include reducing your risk of heart disease and colon cancer, controlling diabetes, boosting your immune system, and eliminating harmful free radicals from your body. Nutrient-packed beans also benefit your eyes and bones, while regulating the digestive processes.

Pole or bush? It depends on your available space

Pole beans are a smart choice for space-challenged gardens, or if your aim is to produce various crops all at once using a smaller space, since they take up less footprint. The plants will produce for 4-6 weeks, but if you’re lucky, some varieties will continue to yield indefinitely in Hawai‘i, and will flower and produce pods over and over.

The twining vines of pole beans can rocket 5–10 feet skyward, as long as they have good scaffolding to climb. This doesn’t require a fancy contraption. Any sturdy support will do: an old ladder, bamboo tied together to form a tepee, old wire or slatted wood fencing, or heavy-duty nylon string strung between two uprights. A homemade trellis should be 4–8 feet tall and strong enough to withstand high winds and the weight of mature beans.

Bush bean pods are round or flat in shape and come in green, yellow wax, and purple shades. The plants grow around two feet tall and two feet wide. They have a production period of just 2–3 weeks and a relatively short yield period of 50–60 days. They tend to produce fewer beans than the pole variety. You can grow them in the ground or in pots or raised beds.

Planting, growing, and harvesting beans

Beans are easy and satisfying to grow in Hawai‘i, especially in spring and summer. They flourish most anywhere but prefer well-drained soil with good organic matter. I recommend planting 2–3 seeds, 1–1.5 inches deep, with 1-foot spacing between plants and 2-foot spacing between rows. Plant them directly into soil or media, and protect the baby sprouts from snails and birds. Beans donʻt require a lot of water, but they do prefer regular irrigation.

Once your legumes begin to bear fruit, it’s important to harvest regularly. Donʻt allow your plants to reach the dry-bean stage, or they will slow down or even stop producing. But at the very end of the season, leave a few pods on the vine to dry. This way, youʻll have your own seeds for the next growing season.

In general, all bean varieties grow well in Hawai‘i, but some will yield early in the season, others later. For more information, visit the UH Master Gardeners website.

Amjad Ahmad. Cooperative Extension Service, Sustainable & Organic Agriculture Program. UH College of Tropical Agriculture & Human Resources