O'ahu Master Gardeners

O'ahu Master Gardeners

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Hello, can someone help me identify the problem with my Anthurium? Is it blight?
Does anyone know where to buy bulk perlite? Either on the island already or online shipment?
It's less than 10 days 'til Christmas. Looking for a great gift idea? Stop by Kokua Market today to pick up a custom IHS, The Institute for Human Services, Inc. Hydrotower (36 inches high & 12 inches wide) on sale for $200. Comes fully assembled and great for small space lanais. Call 808-447-2898 to view or buy one at 546 Kaaahi Street.
We were in good company today with the other vendors in the Education/Outreach classroom at today's Lyon Arboretum Holiday Plant Sale. Shout out to UH Mānoa Campus Arboretum, O'ahu Master Gardeners, Laukahi: Hawaiʻi Plant Conservation Network, Oahu Invasive Species Committee, and Kupu. And thanks to all the folks at Lyon for making space for us!
Does your lettuce look like this? It might have downy mildew.
HT to O'ahu Master Gardeners!

Lettuce Downy mildew causes light green to yellow angular spots on the upper surfaces of leaves. The white fluffy growth of the pathogen develops on the lower sides of these spots. Over time, these lesions turn brown and dry up. Older leaves are attacked first.
Tips for Management and Prevention:
- Remove and destroy affected leaves
- Avoid overhead watering late in the day as this can cause the leaves to remain wet overnight and create an environment for the disease to take hold.
- Practice crop rotation. Avoid planting the same lettuce plants in the same place continually
- Plant lettuce varieties that are naturally resistant to downy mildew. See the link below for a list of resistant varieties.

Check out this CTAHR publication for more information on Lettuce Downy Mildew:
https://www.ctahr.hawaii.edu/oc/freepubs/pdf/PD-115.pdf
Hiring. Please share.

The UH Master Gardener program is an official Volunteer program of the University of Hawaiʻi Cooperative Extension Service. We are dedicated to disseminating local, research-based information to assist home gardeners.

The University of Hawaii Master Gardener (UH MG) program is part of the Master Gardener Program found throughout the United States and Canada. First initiated in the State of Washington in 1972, the Master Gardener Program is a public service program that provides training to volunteers under the leadership of land-grant universities. To date over 94,865* people have become Master Gardeners Nation

Operating as usual

Photos from O'ahu Master Gardeners's post 11/29/2021

Roselle Calyces in Various Stages of Dehydration. #aloha #hawaii #oahumastergardeners #roselle #hibiscussabdariffa #calyces #dehydration #tea #easytogrow #grownfromseed #healthy #delicious

Photos from O'ahu Master Gardeners's post 11/17/2021

A wonderful student garden at Kainalu Elementary School. #aloha #oahumastergardeners #mastergardeners #oahu #hawaii #kailua #student #garden #flowers #veggies #educational

Photos from O'ahu Master Gardeners's post 10/31/2021

A wonderful opportunity for all Oahu Master Gardeners, next work day will be in early December. Come check out this unique opportunity and amazing 1898 homestead in Kaneohe. #aloha #oahumastergardeners #mastergardeners #kaneohe #original #virgin #land #homestead #farm #park #educational #opportunities #volunteer #fresh #fruit #goodpeople

10/17/2021

FRESH WORM CASTINGS at KOKUA MARKET!

Got a garden? Potted plants? Visit the The Magic of Vermicast booth at Kokua Market this Saturday. Our beloved neighborhood natural foods co-op has been supporting local agriculture and sustainable products and practices for 50 years. It’s Kokua Market’s 50th Anniversary celebration and Windward Zero Waste School Hui is proud to offer their premier product – VERMICAST.

Kokua Market, 2643 S. King Street • Saturday, October 23rd, 10am-2pm

Vermicast & Vermicast Tea
• Best buy – Four-pound container vermicast @ $10
• Vermicast in bulk @ $3/pound
• Vermicast tea @ $5/gallon

Multitudes make the Magic – watch this! https://youtu.be/xYAkfq2PqpM #aloha #hawaii #mastergardeners #experience #magic #vermicast #kokuamarket #celebration #support #local #agriculture

FRESH WORM CASTINGS at KOKUA MARKET!

Got a garden? Potted plants? Visit the The Magic of Vermicast booth at Kokua Market this Saturday. Our beloved neighborhood natural foods co-op has been supporting local agriculture and sustainable products and practices for 50 years. It’s Kokua Market’s 50th Anniversary celebration and Windward Zero Waste School Hui is proud to offer their premier product – VERMICAST.

Kokua Market, 2643 S. King Street • Saturday, October 23rd, 10am-2pm

Vermicast & Vermicast Tea
• Best buy – Four-pound container vermicast @ $10
• Vermicast in bulk @ $3/pound
• Vermicast tea @ $5/gallon

Multitudes make the Magic – watch this! https://youtu.be/xYAkfq2PqpM #aloha #hawaii #mastergardeners #experience #magic #vermicast #kokuamarket #celebration #support #local #agriculture

In Situ Worm Composting - Modern Farmer 10/17/2021

In Situ Worm Composting - Modern Farmer

In Situ Worm Composting - https://modernfarmer.com/2020/11/in-situ-worm-composting/

In Situ Worm Composting - Modern Farmer I first learned about 'in situ' worm communities several years ago in fruit orchards. Farmers were using a combination of in-orchard and in-ground

10/16/2021

Kokua Market 50th Anniversary Celebration

"You've probably heard of worm castings, you know, worm p**p properly called vermicast. There's plenty of science to explain how it works but grower's who use this gardener's gold simply call it magic! Come celebrate Kokua Market's 50th Anniversary Sale on October 23 from 10-2pm where you can get some of this magic!"

Photos from O'ahu Master Gardeners's post 10/16/2021

Join us on October 30, 2021 for another exciting garden work day! Private message me for more details!

Photos from O'ahu Master Gardeners's post 10/01/2021

A Wonderful Volunteer Opportunity - A Work Day on a working Kaneohe Farm/ Garden. #aloha #mastergardener #oahumastergardeners #volunteer #opportunity #garden #farm #flowers #fruit #native #ulu #grapes #ohialehua #fun #activity

09/22/2021

Harvest Moon Rise on Autumnal Equinox. #aloha #hawaii #oahumastergardeners #mastergardeners #moonrise #autumnal #equinox #harvest #moon #shorterdays #longernights #bright

Harvest Moon Rise on Autumnal Equinox. #aloha #hawaii #oahumastergardeners #mastergardeners #moonrise #autumnal #equinox #harvest #moon #shorterdays #longernights #bright

09/17/2021

Bitter Melon and Mexican Sour Gherkin -Two Vegetables from Cucurbitaceae Family, different in flavor and shape. #aloha #hawaii #mastergardeners #oahumastergardeners #cucurbitaceae #veggies #bittermelon #mexicansourgherkin #funfacts

Bitter Melon and Mexican Sour Gherkin -Two Vegetables from Cucurbitaceae Family, different in flavor and shape. #aloha #hawaii #mastergardeners #oahumastergardeners #cucurbitaceae #veggies #bittermelon #mexicansourgherkin #funfacts

Photos from O'ahu Master Gardeners's post 09/10/2021

Ka’au Crater Hike Native Species. #aloha #hawaii #oahumastergardeners #mastergardeners #kaau #crater #hike #trail #endemic #native #species #koa #acacia #ohialehua #machaerina #mariscoides #mountain #naupaka #craterfloor #green #marsh

Photos from O'ahu Master Gardeners's post 09/02/2021

A personal tour of Stacy Evensen’s Homestead in Kaneohe. Some gorgeous specimens from around the world. #aloha #oahumastergardeners #mastergardeners #original #homestead #sixacres #lush #land #exotic #species #incredible #work

09/01/2021

Learn to Worm - A wonderful way to start your very own vermicompost system at home. All the tools and tips you need to start your own worm bin. Check us out at wormohana.org to learn more and start restoring our ‘Aina today! #aloha #worm #ohana #vermicompost #soil #restoration #aina #tools #tips #wormbin #learn #fun #educational #sustainability #oahumastergardeners #mastergardener

Photos from O'ahu Master Gardeners's post 08/26/2021

Autumn Beauty Sunflowers. #aloha #oahumastergardeners #autumnbeauty #sunflowers #cheery #bright #mastergardeners #grownfromseed #happyday

08/16/2021

Three Honu aka Hawaiian Green Sea Turtles Feeding. #aloha #hawaii #honu #hawaiian #green #sea #turtle #feeding #mokuleiabeach #algae #lucky

Photos from O'ahu Master Gardeners's post 08/04/2021

Three Sacred Water Lotus Seed Pods Form Concurrently! #aloha #oahumastergardeners #mastergardener #sacred #water #lotus #seed #pods #three #luckynumber #unique #pods

07/26/2021

“Nitrogen is the unsung hero of food production.”

TPSS joins an international effort to improve nitrogen management and better understand the global nitrogen cycle
STORY: https://cms.ctahr.hawaii.edu/NewsLetter/ArtMID/52574/ArticleID/2138/Nitrogen-Numbers

Photos from O'ahu Master Gardeners's post 07/24/2021

A trip to the Amy B.H. Greenwell Ethnobotanical Garden on the Big Island of Hawai’i. #aloha #hawaii #oahumastergardeners #mastergardener #ethnobotany #endemic #canoe #plants #ko #wiliwili #kalo #poppy #pia #ohia #hala #hibiscus #kamani #ilima #flora #fauna

07/16/2021

Check it out!

Lots of goings on at the Center for Tropical and Subtropical Aquaculture
STORY: https://cms.ctahr.hawaii.edu/NewsLetter/ArtMID/52574/ArticleID/2123/Impact-on-Aquaculture

Photos from O'ahu Master Gardeners's post 07/15/2021

Newly Installed Raised Bed Gardens for fresh veggies and herbs interplanted with bee attracting flowers. #aloha #oahumastergardeners #mastergardeners #new #raised #bed #gardening #cedar #soil #veggies #flowers #herbs #healthyliving

Photos from O'ahu Master Gardeners's post 07/10/2021

Part 4 - Day 2 of the Sacred Water Lotus Bloom - Full Bloom. #aloha #oahumastergardeners #mastergardeners #sacred #water #lotus #fullbloom #pink #yellow #flowers #amazing #fragrance

Photos from O'ahu Master Gardeners's post 07/09/2021

Water Lotus Blooming - Day 1 - Part 3. #aloha #oahumastergardeners #mastergardeners #sacred #water #lotus #bloom #fragrant #pink #yellow #flowers #day1

Photos from O'ahu Master Gardeners's post 07/09/2021

Progression of a Water Lotus Bloom - Part 2 - 10 days. #aloha #oahumastergardeners #sacred #water #lotus #bloom #progression #flowersofinstagram #excited

Photos from O'ahu Master Gardeners's post 06/29/2021

Progression of a Water Lotus Bloom - Four days - Part 1. #aloha #oahumastergardeners #mastergardener #water #lotus #bloom #progression #pink #blooms #fragrant #flowers #series #part1 #staytuned

06/18/2021

Rat Lung Worm in Action. #aloha #hawaii #oahumastergardeners #ratlungworm #creepycrawly #invasive #tropical #parasite #slugs #snails #washyourproduce

06/11/2021

Hand Weeding. #aloha #hawaii #tiktokgarden #weeding #landscaping #garden #grass #livelivegarden #gardensofinstagram

Photos from O'ahu Master Gardeners's post 05/26/2021

Local I'a provides locally and sustainably caught fish to farmer's markets, restaurants, and weekly subscribers. They offer whole fish, fillets, smoked fish dip, jerky, and are continually creating new products. Available at the Saturday Kaka'ako and Sunday Mililani markets. #aloha #hawaii #localia #farmers #market #sustainability #fishing #local #fresh #caught #fish #localiahawaii

05/25/2021

Mahalo for 900 followers! #aloha #oahumastergardeners #mastergardeners #900 #followersinstagram #mahalo #flowers #veggies #ornamentals #gardenersofinstagram

05/24/2021

Slug Hunter Series, Episode 2. #aloha #oahumastergardeners #mastergardeners #hawaii #ratlungwormdisease #prevention #slug #hunting #educational

Photos from O'ahu Master Gardeners's post 05/14/2021

Amazing Farming and Gardening Volunteer Opportunities at Hui Mahi’ai ‘Aina, a houseless transitional program in Waimanalo. They have over 50 acres of land where they want to start a farm, fruit tree orchards as well as expand on their aquaponics area. If you would be interested in volunteering or learning more, please visit https://huimahiaiaina.org/ Feel free to share.

Photos from O'ahu Master Gardeners's post 04/15/2021

Grow Your Own... #aloha #oahumastergardeners #mastergardener #growyourown #grownfromseed #purple #bokchoy #cucumbers #swisschard #cukes #kale #hawaiianhotchilipepper #grapetomatoes #wingbeans #greenbeans #delicious #veggies #healthylifestyle

Photos from O'ahu Master Gardeners's post 03/05/2021

Easy to Grow Edible Flowers. #aloha #oahumastergardeners #mastergardener #easytogrow #edible #flowers #hibiscus #nasturtium #calendula #butterflypeaflower #dill #borage #colorful #blooms #sustainable #gardening

Photos from O'ahu Master Gardeners's post 02/25/2021

Today’s Rooftop Garden Blooms. #aloha #oahumastergardeners #mastergardeners #todays #rooftopgarden #blooms #tunafruit #naupaka #scaveolataccada #cosmos #dill #greenonions #bees #sunflowers #cannalily #cotton #dustymiller #rooftop #gardensofinstagram

Photos from O'ahu Master Gardeners's post 02/19/2021

Blooms of the Week. #aloha #oahumastergardeners #mastergardener #weekly #blooms #sunflower #nasturtiums #beans #asclepiastuberosa #coreopsis #cucumbers #eggplant #cosmos #calendula #spurflower #colorful #variety #flowersofinstagram

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Address


955 Kamehameha Hwy
Pearl City, HI
96782

Opening Hours

Monday 9am - 2pm
Tuesday 9am - 2:30pm
Wednesday 8am - 2:30pm
Thursday 8am - 2:30pm
Friday 8am - 2pm
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Peniel Educational Ministries Peniel Educational Ministries
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Leeward Phi Theta Kappa - Alpha Lambda Gamma Chapter Leeward Phi Theta Kappa - Alpha Lambda Gamma Chapter
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Kumulau Foundation Kumulau Foundation
950 Kamehameha Highway #1227, And 6834 S. University Boulevard #136
Pearl City, 96782 AND 80122

A Hawaiian-led philanthropic, educational, non-profit entity committed to perpetuating traditional Hawaiian culture through community engagement.

Hui Kamaʻilio Hui Kamaʻilio
Pearl City

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Hieratic Music Studios Hieratic Music Studios
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Pearl City Highlands Elementary School Pearl City Highlands Elementary School
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Leeward Community Church Women's Ministry Leeward Community Church Women's Ministry
1860 Komo Mai Dr
Pearl City, 96782

Committed to honor God and to minister to women by: Encouraging & nurturing; Equipping & empowering; and Evangelizing & serving to make Jesus known.