There are multiple versions of this post in several questions on the Ask a Question forum. Sorry not to T-mail @dave but I can't initiate a T-mail on the iPad since the site change. This is one of them:

http://garden.org/thread/view_...

Now in other forums as well, such as Daylilies.

And in houseplants and cactus & succulent forum. Funny, she only joined today but managed to post the same ad on so many forums.

Yup, that one is a textbook case of spam. The same unsolicited junk posted over and over and over again. I banned the spammer and cleaned up all their trash.