Kuli`ou`ou Ridge Trail Restoration: Aloha Tree Alliance
2026-07-18 08:00 - 11:30, 2026-08-15 08:00 - 11:30, 2026-09-19 08:00 - 11:30 (Pacific/Honolulu) | Kuliouou Ridge Trail, 120 Kuliouou Rd, Honolulu, HI, United States
About the Project
The Kuli'ou'ou Ridge Trail is in desperate need of restoration. One of the most beautiful hiking trails in east O'ahu, Kuli'ou'ou valley is a beautiful watershed that once boasted of native trees, shrubs, plants, birds and snails. Today because of overuse and misuse, switchbacks have been deeply cut, killing trees, plants and causing erosion that eventually kills coral and damages Maunalua Bay.
Come out to one of Aloha Tree Alliance's work days held on the third Saturday of every month and learn how to remove invasive species, plant native plants and become a steward of the land!
RSVP HEREQuestions? Contact info@alohatreealliance.org

Diamond Head State Monument: Trees for Kaimuki
2026-07-18 09:00 - 12:00, 2026-08-15 09:00 - 12:00, 2026-09-19 09:00 - 12:00
For more information and sign-up, please email: MyTree@treesforhonolulu.org
Join Diamond Head State Monument and Trees for Kaimuki to help keep the trees and other native plants at Fort Ruger Path happy and healthy. This includes mulching trees, pulling weeds and trimming up the tree canopy.
This event occurs every third Saturday of each month from 9 am to about 12 am.
Bring shoes, long pants, long sleeved shirt, sunscreen, reusable water bottle, a hat, and a positive attitude.
Tools, gloves, ice water and snacks will be provided.

Diamond Head State Monument: Trees for Kaimuki
2026-07-18 09:00 - 12:00, 2026-08-15 09:00 - 12:00, 2026-09-19 09:00 - 12:00
For more information and sign-up, please email: MyTree@treesforhonolulu.org
Join Diamond Head State Monument and Trees for Kaimuki to help keep the trees and other native plants at Fort Ruger Path happy and healthy. This includes mulching trees, pulling weeds and trimming up the tree canopy.
This event occurs every third Saturday of each month from 9 am to about 12 pm.
Bring shoes, long pants, long sleeved shirt, sunscreen, reusable water bottle, a hat, and a positive attitude.
Tools, gloves, ice water and snacks will be provided.

Mid-Summer Night's Gleam
2026-07-18 15:00 - 21:00 | Foster Botanical Garden, 50 N Vineyard Blvd, Honolulu, HI, United States
Experience an enchanting evening of activities, demonstrations, illuminated art, lanterns, performances, and nature after dark. This beloved annual event transforms Foster Botanical Garden into a glowing celebration of creativity and community. Stay tuned for details on activities, performers, food options, parking, and more!
This affordable event is open to families and participants of all ages! Entry is $5 for adults, $1 for youth 6 to 17 years old, and free for keiki 5 years old and younger.
Online presale tickets (utilizing Visa, Mastercard, and JCB credit cards) by visiting: bit.ly/MidsummerGleam or by clicking on the button below.
Purchase Tickets here
In-person advanced sales are available at the Foster Botanical Garden main box office from June 29 through July 16, 9 a.m. to 3:30 p.m. Walk-in tickets the day of the gleam will be available once the event begins. The event is limited to approximately 5,000 people due to garden capacity, so we encourage those who absolutely want to ensure their evening with the gleam to get their tickets ahead of time.
The garden will close from 12 noon to 3 p.m. the day of the gleam for event setup. Garden parking is reserved for ADA needs only, with other attendees encouraged to use public transit, street parking, limited spots at Kauluwela Elementary School, or other nearby paid lots.
Food Vendors

Basil Thai

Brewtiful

Corn Onoz Hawaii

Kalo and Cream

Ho’opili Tribal Council

Island Craves

Mixed by Mare

Reecie B’s

Simply Ono

Performances
Upper Stage (Hula Mound)Dragon BeatAllegro KeikiNā Alo o HawaiʻiKailua Moon
Lower Stage (Daibutsu Area)Ben FairfieldNālani KaioMendoza Philippine Dance Group & Rondalla
OtherJeff Gere, Storyteller (Gazebo)The Middle Eastern Dance Artists of Hawaii (Economic Garden)

Hamakua Marsh Wildlife Sanctuary Forest Restoration
2026-07-20 16:00 - 18:00, 2026-07-27 16:00 - 18:00, 2026-08-03 16:00 - 18:00, 2026-08-10 16:00 - 18:00, 2026-08-17 16:00 - 18:00, 2026-08-24 16:00 - 18:00, 2026-08-31 16:00 - 18:00, 2026-09-07 16:00 - 18:00 and 4 more dates | 268 Hamakua Dr, Kailua, HI, United States
Except holidays and storms – drop in to help mālama the native community forestry planted on the watershed. Wear covered shoes and bring a water bottle. Drive through the open gate immediately adjacent to 268 Hamakua Drive, Kailua 96734 and park inside.
All welcome. Organized by Healthy Climate Communities.
Questions? Contact info@healthyclimatecommunities.org

Reforestation -- Volunteer drop-ins at Hamakua Marsh
2026-08-01 09:00 - 11:00, 2026-09-05 09:00 - 11:00, 2026-10-03 09:00 - 11:00 | Hamakua Marsh, Kailua, HI, United States
REGULAR EVENTS Open to the public every Monday 4-6pm and the first Saturday 9-11am each month. All ages welcomed. Children 14 and under need to be accompanied by an adult.
SCHEDULE YOUR OWN EVENT Groups of 8 or more can schedule a special event if another time is preferred. Email info@healthyclimatecommunities.org
Where: Chain link gate immediately adjacent to 268 Hamakua Drive will be open. Parking available inside.
Bring: Water bottles, covered shoes and sun protection. Long sleeves and pants recommended. We provide gloves, but you can bring if you have.
For waivers and to sign up, visit: Volunteer – Healthy Climate Communities

Honolulu Board of Water Supply's Annual Unthirsty Plant Sale - FREE!
2026-08-01 09:00 - 13:00 | 99-1268 Iwaena St, Aiea, HI, United States
The Plant Sale is a family-friendly event offering:

A variety of xeric plants by local vendors
Community Partner and Government Agency featuring displays, demonstrations, interactive activities, giveaways and more (see details below)
Free home gardening advice from the UH Master Gardner “Plant Doctors” booth
Free Mini workshops: (10 a.m.) Rain Barrel Water Catchment and (11 a.m.) presented by UH Master Gardeners
Free soil conditioner will be available while supplies last (one bag per person)
and more!

More info: https://www.boardofwatersupply.com/news-events/special-events/annual-unthirsty-plant-sale/

Ola Nā Kini -- Leeward O'ahu restoration efforts
2026-08-08 09:00 - 12:00, 2026-09-12 09:00 - 12:00 | various – must register, see below for link
Join Mālama Learning Center as together we strive to heal the land & sea through restoration efforts in Leeward Oʻahu.
https://signup.com/go/yqimhEk
This link includes a general description of MLC’s Laulima Workday events. You’ll also find individual event dates with details specific to each month’s location. NOTE: registration typically opens/unlocks about a month before each event date.

Community Crop Swap!
2026-08-15 16:00 - 16:30, 2026-09-15 16:00 - 16:30 | Pālolo Valley District Park, 2007 Palolo Ave, Honolulu, HI, United States
Share your homegrown produce and connect with neighborhood friends and gardeners. On the 15th of each month at the stroke of 4 pm.
Location – next to Rec Center – click here for map. For more information call Kaleo at 808-724-2677.
