Oʻahu Arbor Day Celebrations

All are FREE and open to the public, but some do require registration ahead of time. To access registration links and more event details, click the Arbor Day link in our bio.

Nov. 3, 2023 is designated as Arbor Day Hawaiʻi, to coincide with the start of the rainy season that brings trees the water they need to thrive.

UH Mānoa Campus Arboretum

• Tree plantings, free tree adoptions, educational booths focusing on CRB
• Hawaiʻi Hall (2500 Campus Road) & Maile Way Lawn (3050 Maile Way)
• 9:30 am at Hawaiʻi Hall | Planting
• 11 am - 12 pm at Maile Way Lawn | Booths
• Friday November 3rd

Mālama Learning Center, Protect & Preserve Hawaiʻi

• Volunteer, learn about native plants, free tree. *Registration Required
• Camp Pālehua, Kahe Restoration Site
• Saturday, November 4th 9 am - 12 pm

Waimea Valley

• Plant Giveaway (while supplies last) & Plant Sale
• Waimea Valley, front parking lot (59-864 Kamehameha Hwy Haleiwa)
• Saturday, November 4th 8:00 am

Honolulu Department of Parks and Recreation, Urban Forestry Division

• Community celebration & milo tree planting 
• Kahuku District Park (56-170 Pualalea St, Kahuku)
• Wednesday, November 8th 10:30 am - 12 pm

Uluniu

• Volunteer Workday. Must arrive by 8 am to gain entry to the site. Potluck lunch.
• Kūkaniloko, Kamehameha Hwy. & Whitmore Ave., Wahiawa
• Saturday, November 4th 8 am - 1 pm

Smart Trees Pacific & Lani-Kailua Outdoor Circle

• Tree adoptions (*reserve ahead) & expert advice on tree selection
• Kailua United Methodist Church, 1110 Kailua Road, Kailua
• Saturday, November 4th 9 am - 12 pm