When the seasons changed, I used to be pretty heavy-handed. If things stopped blooming, I cut them back, pulled them out, cleared the way for something else, something new. Now I'm starting to wait for the seedpod to harden and practically fall off the vine. Then I crack it open, force out the seeds, try to remember to label the package and give them away as presents. Except this year I didn't get many.
Corms are the bulblike bases of the plant's stem.
Passing along the cypress vine, a k a cardinal climber or ipomoea quamoclit, is a little trickier. Since the seeds are so small, it takes a heck of a lot to fill a jar. I doubt that any one seed is larger than the tip of the thinnest piece of pencil lead. That's when it's best to have small jars. Collecting those seeds this time of year is a little tedious, too, since many pods are either empty or have already fallen off the vine.