See also the classic spirit bottle with a pear inside: https://www.instructables.com/id/Grow-a-Pear-in-a-Bottle/ https://www.instructables.com/id/Grow-a-Pear-in

See also the classic spirit bottle with a pear inside: https://www.instructables.com/id/Grow-a-Pear-in-a-Bottle/ https://www.instructables.com/id/Grow-a-Pear-in-a-Bottle/. My neighbors did a couple some times ago, it's actually quite tricky gardening-wise, you need to trim the pear buds, need to shade it partially during shiny days for it not to rot etc.