Oh, thank you! The voice of recent direct experience. Much appreciated. Perhaps you'll have some good input when I get pictures posted and can tell me if it's apparent to you that this is the Russian variety, or not.
I don't entirely trust the information I got from this company, still! I have the feeling they told me something to appease me (though I wasn't rude or anything, just required an answer) and it may or may not actually be the truth.
I definitely do want some Tagetes, however, so I'll have to get some seeds of that (I bet Horizon carries them, and their ID info I do trust!) and compare the plants.