You may rest assured that too much heat is not an issue. :-) The bulb tunic of Scilla peruviana is almost as tough as that of Urgenia maritima -- which is made out of Kevlar. Shawn Pollard Yuma, AZ -------------------------------------------- On Wed, 6/18/14, Cynthia Mueller <cynthiasbulbs@hotmail.com> wrote: I tried to plan for protecting the clump from too much heat, but couldn't save it from too much water. Y