When I was about 5 (in the mid 70s) there was a Juicyfruit gum commercial in which people danced around and picked packs of gum off of a giant Juicyfruit tree. I dug a hole in our backyard, buried a pack of Juicyfruit in it, and faithfully watered it for weeks before my mom finally set me straight.
A childhood belief about chewing gum

others believed things like this
- I used to believe there was a money tree in every rich person’s backyard — Kb
- I used to believe that if you buried a chicken bone in the backyard it would grow a chickenAnon
- I thought if you took some candy and buried in the yard, you would grow a candy tree.Anon
- I used to believe that people were buried in "grates".— Grate Job
- I used to think that you could bring dead flowers back to life if you watered them.Anon
- I thought the cremations were for people that wanted their love ones buried at home.— Helen