I remember that when my sister and I were young, we used to run around our backyard and she would always eat dandelions. One day, while she was mid-chomp on this huge dandelion, I screamed and convinced her that they were poisonous. I think she thought they were poisonous until she was 12.
A childhood belief about plants

others believed things like this
- My older sister told me squirrels were poisonous, and I believed her until I was 9.— Jenni
- I know this isnt a huge funny belief, but I used to think that all spiders were poisonous. I love spiders now!— Sammy
- that the green bit of cucumbers was poisonousAnon
- I used to believe that the dust on top of doors was poisonous.— draconid
- Dark brown Smarties were poisonous.Anon
- I used to think if a tornado sucked up a poisonous mushroom, it would die.— Will