Rooted in Community: Growing Diamond Bar’s Urban Forest

Join the SCA for a community tree planting experience at Ronald Reagan Park in Diamond Bar, California. The Student Conservation Association (SCA) invites you to help grow Diamond Bar’s urban forest! In partnership with the Arbor Day Foundation, Niagara Cares, and the City of Diamond Bar, the SCA is bringing the community together for a day of hands-on conservation at Ronald Reagan Park. Together, volunteers will plant 15 new trees throughout the park, helping create more shade, support local wildlife and biodiversity, and contribute to a greener, healthier park for the Diamond Bar community to enjoy for years to come. WHAT: The SCA is hosting a community tree planting event at Ronald Reagan Park in Diamond Bar. Volunteers will work alongside SCA staff and partners to plant, mulch, water, and care for newly planted trees throughout the park. No previous tree planting experience is needed. The SCA will provide instructions, tools, gloves, and everything you need to participate. WHO: This event is free, open to the public, and family-friendly! Volunteers of all ages are welcome. Minors must participate with a parent or guardian. WHEN: 9:00 a.m. – 12:00 p.m. on Thursday, October 22, 2026 WHERE: Ronald Reagan Park, 2201 Peaceful Hills Road, Diamond Bar, CA 91765 BRING WITH YOU: The SCA will provide project tools, work gloves, water, and snacks for registered volunteers. ACCESSIBILITY: Ronald Reagan Park features a mix of mostly level and gently sloped terrain, with some areas of moderate incline. Project areas may include grass, soil, mulch, compacted dirt, and uneven surfaces. Thank you to the Arbor Day Foundation, Niagara Cares, and the City of Diamond Bar for partnering with the SCA to make this community tree planting possible.