Embarrassingly enough, when I was young I thought leaves would fall off the trees only during the day (because that is when I saw them fall). When I was fifteen this belief had crept into my subconscious and I was out one night during the fall and my friends were startled when I saw a leaf fall and I started laughing hysterically at my self for such a simple misconception.
A childhood belief about plants

others believed things like this
- I thought if you trip and fall down you fall at the speed of light!— Dietrich Corby
- I used to believe that the little 'helicopters' that fall from the trees were dead tadpoles.— Chester Finnigan SnapDragon McFisticuff
- when i was young i was told that if i played with or turned my belly button that my bum would fall off — lee hull
- i always thought that when someone broke their arm or leg, it would fall off.Anon
- i thought if you went to the bottom of the earth you would fall off.— Tiffany Amber Stefanko
- I thought I would fall through the cracks in my grandmother's deck.— Hannah