October's Seasonal/Holiday Theme: Pumpkins

I plan to focus on this theme on the weekends of October, just to change things up a bit.
Vocabulary/Sign Language (click on the link to see the sign language video)
pumpkin http://www.signingsavvy.com/sign/PUMPKIN/4226/1

Song
Have you ever seen a pumpkin? (Tune: Have you ever seen a Lassie?)
Have you ever seen a pumpkin, a pumpkin, a pumpkin?
Have you ever seen a pumpkin that grows on a vine?
A round one, a short one, a tall one, a fat one.
Have you ever seen a pumpkin that grows on a vine?
Leave me a comment if you know of another song that goes well with this theme.
Books
The Fierce Yellow Pumpkin by Margaret Wise Brown
The Pumpkin Blanket by Deborah Turney Zagwyn
The Little Old Lady Who Was Not Afraid of Anything by Linda Williams
Leave me a comment if you know of any other good books to go with this theme.
Activities
Visit a pumpkin patch. :)
Be sure to point out any pumpkins you may see while running errands.
Leave me a comment if you think of any other activities to go with this theme.