Also note that Charles grows his rain lilies in the university greenhouse -- heated in winter and cooled in summer. If we can figure out when the dry season occurs in nature for a given species, that is when those rain lilies should benefit most from a rest period. Best wishes, Jim Shields At 06:10 PM 11/23/2013 +0000, Alberto wrote: >Kathleen, summer drying for those that are dormant in summer. The many >Mexicans would rot if exposed to wet ground/mix in winter. > ************************************************* Jim Shields USDA Zone 5 P.O. Box 92 WWW: http://www.shieldsgardens.com/ Westfield, Indiana 46074, USA Lat. 40° 02.8' N, Long. 086° 06.6' W