The word saffron comes from the Arabic word for yellow. You need...

The word saffron comes from the Arabic word for yellow.
You need a cool Mediterranean climate to grow saffron (Zones 6, 7 and 8, and drier Zone 9).
In Australia, that's Tasmania, western Victoria, elevated parts of South Australia and areas of western NSW.4 July 2014

https://gardendrum.com/2014/07/04/how-to-grow-saffron/#:~:text=The%20word%20saffron%20comes%20from%20the%20Arabic%20word%20for%20yellow.&text=You%20need%20a%20cool%20Mediterranean,and%20areas%20of%20western%20NSW.