I used to believe that sunflowers would try to kill people by shooting poisonous seeds at people.
A childhood belief about plants

others believed things like this
- I used to believe that the dust at the top of doors was highly poisonous and could kill you.Anon
- When I was little I used to think that sunflowers would eat me.Anon
- I used to think that burgulars used to kill people if they ate burgers — angel
- I believed serial killers were people who poisoned cereal to kill others.— Matthew
- Long grass with black seeds were really ant hotels, and the seeds were sleeping ants.— angelsheep
- When I was younger, I used to think shooting stars were aliens in need.— Sakanaaaaaa