Adam wrote: “Yay! Then I can try it But do I have to build a cold frame?” Adam, the temperature inside my protected cold frame probably never drops below freezing. The outside temperature I reported, 3º F (or minus 16º C) gives you an idea of how well protected the cold frame is. This plant would not have a chance if planted in the open garden here, much less where you live. So yes, you’ll have to build a cold frame or something to protect it from below freezing temperatures. A heated greenhouse would probably not be a good choice because I think this plant needs a long cool growing season – more experienced growers please chime in here. Jim McKenney jimmckenney@jimmckenney.com Montgomery County, Maryland, USA, 39.03871º North, 77.09829º West, USDA zone 7 My Virtual Maryland Garden http://www.jimmckenney.com/ BLOG! http://mcwort.blogspot.com/ Webmaster Potomac Valley Chapter, NARGS Editor PVC Bulletin http://www.pvcnargs.org/ Webmaster Potomac Lily Society http://www.potomaclilysociety.org/