There's a lot of extra info on the thread in the mid-Atlantic forum that you might want to take a look at... hmm, maybe that's my cue to copy it into this forum too!
$18 covers lunch with your choice of water, tea, or soft drink, plus tax & tip. Yes, you'll pay at the restaurant, in cash please. :-)
No clue about the Gerbera seeds... how about, add them to your seed swap list with a note and see if anybody wants to try them