Mint is a (delicious, fragrant) weed. If you’ve got too much of it in your garden, check out muddysuzi’s tutorial for a mint wreath. I would worry about wilting, but maybe it wouldn’t be a problem on the outside of a chilly door.
Becky Stern (sternlab.org is a DIY guru and director of wearable electronics at Adafruit. She publishes a new project video every week and hosts a live show on YouTube. Formerly Becky was Senior Video Producer for MAKE. Becky lives in Brooklyn, NY and belongs to art groups Free Art & Technology (“release early, often, and with rap music”) and Madagascar Institute (“fear is never boring”).