"IntarsiaCo" wrote :

have gotten a wealth of information from
that source on some rather esoteric topics including unusual species
clematis
and uncommon conifers.

Yup, Bob Fincham is an expert on conifers and he posts there.

And if you're into tomatoes, Carolyn Male and Craig LeHoullier both post in
the tomato forum. I can't imagine two people more knowledgeable about
Lycopersicon esculentum than those two.

Jason