my dad told (in an effort not to buy one) that flocked Christmas trees caused cancer. and I believed that lie for quite some time. (into adulthood unfourtunately)
A childhood belief about plants

others believed things like this
- I believed that wind was caused because the trees moved. I was completely sure my conclusion was correct.— Glenr
- I used to think that the wind was caused by all the trees waving about.— dismal dunc
- I used to believe that the trees moving caused the wind to blow.— naomi
- I used to believe that the wind was caused by trees so you could stop the wind by getting rid of trees.— Nira
- When I was a kid I thought that the wind was caused by the trees fanning their leaves...— GDP
- I use to believe that the trees caused the wind to blow by swaying back and forth, like a chinese fan. — Jason Blanchette