So . . . .
onions . . . check!
lavender . . . check!
kale . . .
Thank you, blogging community, for your shared wisdom!
http://woodridgehomestead.com/2010/06/26/saving-seeds-from-kale/
Now I will endeavour to keep an eye on last year's kale that has 'gone to seed' . . . and I will become a little more like my grandmothers, as I harvest and store seeds for the next garden season!