Hmm
Growing up I am biased towards Persian Saffron so assuming the best saffron comes from khorasan iran
which is 36N
Vegas is 36N
It seems like a good amount of work growing and harvesting which i have no clue about or where to buy khorasan bulbs
CANADA 
https://www.youtube.com/watch?v=sGtWmW65Z2Y
screw it went ahead and pulled the trigger especially after reading some of the more ignorant reviews