Maybe Moneywort, Lunaria annua? Has neat coin shaped seedpods if it is. WW

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Thanks everyone. You're awesome. The photo of the pink flowers at the top was one I actually knew...sorry about that (just put it up for pretty...cause I had the post up already for a blog party). All the others were mysteries. Thanks a bunch! This is so much help!

Texasranger, thank you!! It is so beautiful. I now have dozens of them growing in my yard, blue and white. Apparently the seeds must've blown out of the wildflower garden after I sowed them because they're growing in the wildflower garden AND the front yard, other garden beds, etc. I'm happy about it, though.. they're very romantic and interesting.. hence, the name, I suppose.. "love in a mist." I looked it up online and this is definitely what it is. A few of them have "died" and formed the big, swollen seed pods now.. those are beautiful looking, too. I will have to research when seed pod is ready to break open, or if it'll do so on it's own. What do you mean by "old fashioned annual?"