Saison strains need to ferment at temperatures above 80*F to create the correct flavors through the yeast.
If you look up threads dealing with saison strains (
wyeast 3724 and 2726).
Also on
Wyeas't site you will see that this strain's temp range is 70-95F. It is also notorious for sticking at 1.035. Simply rousing the yeast and warming up the temperature will get it going again.