Another example of Ono's participatory art was her Wish Tree project, in which a tree native to the installation site is installed.
Her 1996 Wish Piece had the following instructions:
Make a wish
Write it down on a piece of paper
Fold it and tie it around a branch of a Wish Tree
Ask your friends to do the same
Keep wishing
Until the branches are covered with wishes.

Her Wish Tree installation in the Sculpture Garden of the Museum of Modern Art, New York, established in July 2010, has attracted contributions from all over the world.
Other installation locations include London; St. Louis; Washington, DC; San Francisco; the Stanford University campus in Palo Alto, California; Japan; Venice; Dublin; and, Miami at the Fairchild Tropical Botanic Garden in 2010.


In 2014 Ono's Imagine Peace exhibit opened at the Bob Rauschenburg Gallery at Florida SouthWestern State College in Fort Myers, FL.
Ono installed a billboard on U.S. Route 41 in Fort Myers to promote the show and peace.

 When the exhibit closed, wishes that had been placed on the installed Wish Trees were sent to the Imagine Peace Tower in Iceland and added to the millions of wishes already there.
Imagine Peace was also installed in Houston in 2011 through the Deborah Colton Gallery, returning in 2016.
Another example of Ono's participatory art was her Wish Tree project, in which a tree native to the installation site is installed. Her 1996 Wish Piece had the following instructions:
Make a wish
Write it down on a piece of paper
Fold it and tie it around a branch of a Wish Tree
Ask your friends to do the same
Keep wishing
Until the branches are covered with wishes.
Her Wish Tree installation in the Sculpture Garden of the Museum of Modern Art, New York, established in July 2010, has attracted contributions from all over the world. Other installation locations include London; St. Louis; Washington, DC; San Francisco; the Stanford University campus in Palo Alto, California; Japan; Venice; Dublin; and, Miami at the Fairchild Tropical Botanic Garden in 2010.

In 2014 Ono's Imagine Peace exhibit opened at the Bob Rauschenburg Gallery at Florida SouthWestern State College in Fort Myers, FL. Ono installed a billboard on U.S. Route 41 in Fort Myers to promote the show and peace. 
 When the exhibit closed, wishes that had been placed on the installed Wish Trees were sent to the Imagine Peace Tower in Iceland and added to the millions of wishes already there. Imagine Peace was also installed in Houston in 2011 through the Deborah Colton Gallery, returning in 2016.
Yoko Ono