Dear Mary Sue; I do not even vaguely pretend any knowledge about growing these things, but I have found this cultivation guide thought provoking... even if I don't follow it to the word. http://roskam-youngplants.com/Alstroemeria_Cultiva… Best Jim W. -- Dr. James W. Waddick 8871 NW Brostrom Rd. Kansas City Missouri 64152-2711 USA Ph. 816-746-1949 Zone 5 Record low -23F Summer 100F +