I LOVE iochroma, just planted a red one and brought a couple of cuttings of the huge purple one I left behind, the hummingbirds loved it. It was over 8 ft tall. The new owner cut it down, dug it up, his mother-in-law mistakenly said it was poisonous (thought it was a brugmansia) Ugh!
http://davesgarden.com/guides/... (all my 2010 images are on my PC, not the laptop I am currently using, I need to still transfer them ober)