'Preston Guild' is amazing me this spring! It has never grown so tall before or even grown so emphatically skywards! For the first several years, I had it growing next to a fence and it never did very well in the shade there. It was with some concern that I moved what I considered to be a weak stemmed plant, out into the full sun. But the full sun seems to be exactly what this guy wanted. This photo was taken this morning 5/1/2010.