Past California Arbor Week Poster Contest Winners featuring children's art with various themes of trees

Arbor Week Poster Contest

For California youth ages 5-12

Arbor Week Poster Contest

2024 Poster Contest Information Coming Soon!

Please scroll down to view our Youth Poster Contest Hall of Fame.

California ReLeaf Arbor Week Winner 2014 Featuring a young girl holding her award winning poster

2024 Poster Contest Guidelines

2024 THEME: 


  • The submittal must be original art created by a California youth between the ages of 5-12 years old.


  • Artwork must be between 8.5”x11” and 14”x18” and on paper that allows for duplication.
  • Entry should not be matted, mounted, laminated, framed, or folded.
  • Artist’s first and last name must be written or signed on the front lower right-hand corner of the poster.
  • The theme phrase must appear somewhere on the poster.
  • The poster must be related to the theme.

ENTRY DEADLINE: Monday, February 12, 2024 (postmarked)


  • Send the original art along with the Entry Form (coming soon) by February 12, 2024 (postmarked) via mail to California ReLeaf at 2115 J Street, Suite 213, Sacramento, CA 95816. All entries will become the property of California ReLeaf and cannot be returned.
  • If you are unable to mail the artwork to us, high-quality digital replications (photographs or scans) are eligible. However, if the piece is selected as a finalist, the original will need to be arranged to be sent.


  • A committee will review all submitted posters and select the statewide finalists.
  • Each winner will receive a cash prize ranging from $25 to $100 and a printed copy of their poster (18 x 24 inches).
  • The top winning posters are unveiled at the Arbor Week press conference and will then be on the California ReLeaf and California Department of Forestry and Fire Protection (CAL FIRE) websites and shared via social media channels.
  • Winning Posters will be announced on March 7th via our updates page and our social media channels.
  • Winning Posters will also be featured on our Poster Contest Hall of Fame listing on our website (see below).

QUESTIONS? Contact Us arborweek[at]


Educational Resources

Tree Lesson Plans and Hands-On Activities designed for elementary and middle school students.


Media Kit

Spread the word about California Arbor Week! Write an op-ed, letter to the editor, proclamation, or promote your event using our social media toolkit and templates.


Arbor Week Grants

Learn more about our annual Arbor Week Grants Program.

Poster Contest Winners Hall of Fame

California Arbor Week Sponsors

U.S. Foreste Service Department of Agriculture
Cal Fire

“The best time to plant a tree was 20 years ago. The second best time is now.”–Chinese Proverb