Kilgore, thanks for the wasabi tip. I hadn’t a clue and I enjoy the challenge. As for green thumbs, her’s are all black but mine are perennial. :-)

I don’t know if you’ve run across gardenweb.com yet or not, but their forum list is extensive and you may find some helpful information on your current project. They’ve been a wealth of information for me; I have been a member there for 12 years.