Though the science of using damp paper towels to sprout seeds is limited, anecdotal evidence suggests that most large seeds, including those from lemons, are well-suited to germinating this way.

If you are in a hurry to see if the seeds you saved from last year will germinate or if you want to teach others about ...

This can be incredibly helpful for growing your own pumpkins ... rinse them off in a colander. Remove the seeds immediately and place them on a paper towel to dry completely overnight.