This is where making your own seed comes in handy......
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....you can Try...and just lose the cost of the compo if you Fail.
And...it is just down to your weather....
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....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.....
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....and expect less...but Tastier bud.....