Thanks Peter, I was hoping to see some factual info that might give me an optimum time to dig clumps and divide to replant. Any suggestions? Jim On Mar 4, 2014, at 1:18 AM, Peter Taggart <petersirises@gmail.com> wrote: > this report seems to cover the required temperature fluctuations, for > Crocus sativus growth and flower initiation, in some detail. > http://saffroncenter.ir/User_Files/grrenhouse.pdf/ James Waddick 8871 NW Brostrom Rd Kansas City, MO 64152-2711 USA Phone 816-746-1949