I second that. It grows fine for me in Cincinnati with my tall beardeds. My soil is good fertile loam, well draining. On Sun, May 8, 2011 at 9:55 AM, James Waddick <jwaddick@kc.rr.com> wrote: > Dear Kathleen, > I. bucharica is hardy here and almost a weed at Denver Bot > garden according to Panayoti. > > Cold is not the problem, good drainage. Best Jim > -- >