I used to believe that cattail(bulrush) plants were where hot dogs came from. I tried cooking one before I realized that hot dogs do not in fact grow from plants.
A childhood belief about general

others believed things like this
- I used to believe that my urine was a super fertilizer - peeing on plants made them grow.— Andrew C
- i thought hot dogs were made from real dogs and sum tasted good sum didnt.— Wayne
- Thanks to the movie "Annie", I thought hot dogs were made from real dogs. — Katie
- I used to believe "mixed breeds" of dogs were made by two dogs being put in a blender— Andie
- I thought plants only grew when people were not looking at them.Anon
- I used to think heirloom plants grew antiques— Honorary intern Hector