This is where making your own seed comes in handy......
....you can Try...and just lose the cost of the compo if you Fail.
And...it is just down to your weather....
....Most Autos are Much Hardier than we give them Credit for........because most people grow Indoor...so we don't get to See it.
The Main probem with Autumn/Winter is getting them too water logged......and ferting them on a summer schedule.
Get them a bit of shelter...drop the ferts.....
....and expect less...but Tastier bud.....