I'm sorry I can't help ya much on that one, but if you search within this site on the terms 'MTF' and Matanuska you will come up with quite a lively discussion of the heritage and breeding of the Alaskan localized derivatives of the type of plant grown up there since Pipeline days and adapted to the short season and to indoor conditions.

One of the lines I've had the pleasure of running, I've spread around my local group a bit and am hearing reports that this year it was FINISHED the first week in September and is now trimmed and dried!