Meet Our Mascots!


The Happiest Tree There Can Be


The Big Green Oxygen Machine

treena KidsWithO2

Treena and O2 enjoy making new friends!


Treena and O2 are the friendly mascots of Our City Forest. They love to visit with kids! They make appearances at tree plantings, community outreach events, and most often at our Planet Tree educational programs. To organize a visit with Treen and/or O2 in your community, school, or organization, have your parent or teacher contact Our City Forest at (408) 99-TREES or email us at This email address is being protected from spambots. You need JavaScript enabled to view it. .

Contact Us

(408) 998-7337
1590 Las Plumas Ave
San Jose, CA 95133
Nursery: 1000 Spring St.