At 18:36 15-06-2005, Robin Bell wrote: >I doubt that the Cornell clump gets any mulching for winter. Perhaps plants vary in their hardiness, depending on their origin, but those in the Cornell clump certainly seem to be quite hardy in zone 5. Not sure about mine yet, perhaps in another 5 years? > Robin Bell, Ithaca, New York. >_______________________________________________ >pbs mailing list >pbs@lists.ibiblio.org >http://www.pacificbulbsociety.org/list.php I wonder if you all know that mulching not only protects against frost but also turns into compost? Heavy mulching for four or five years means that the plant is very well nourished. Carol