Arbor Day - 2026

The Arbor Day movement began in the 1800s to promote conservation and

beautification of the environment. Arbor Day is a Wisconsin School Observance

Day and national observance day to encourage people to plant and care for

trees. Observed in Wisconsin on the last Friday in April.

Enacted May 7, 1980, from the 1979 Laws of Wisconsin, Chapter 214.

More information and educational resources are available on the Department of

Public Instruction Social Studies Education Observance Days website [1].

*Contact*

Arbor Day Foundation

(888) 448-7337

[1] https://dpi.wi.gov/social-studies/laws/observance-days