My best friend's mother always told us not to swallow the watermelon seeds or you'll have a watermelon growing on the top of your head. What a scary image that was for us!
A childhood belief about seeds

others believed things like this
- If you eat watermelon seeds a watermelon will grow in your tummy and vines will come out your earsAnon
- when you eat the seeds from a watermelon a watermelon will start to grow inside your stomache.Anon
- I used to believe that if I swallowed watermelon seeds, I would get pregnantAnon
- I used to think that if i ate watermelon seeds they would grow out of my ears.— Catherine
- I used to think that watermelon seeds were dead soulsAnon
- I used to believe that if you ate a watermelon seed you would grow a watermelon tree in your stomach!!!— Eskimo