I would go 3-4 weeks primary, especially if you are not checking gravity. I would probably cold crash to drop out as much of the yeast as possible. Should have no off flavors with less than 6 weeks in primary.
Primary #1: #2: Empty
Secondary #1: Blackberry Rhubarb wine #2: Empty #3: Cab MerMarqeNac Wine
Kegged: Chocolate Rye, Mugged a Monk Paters
Bottles: RIS, Carmel Apple Cider, Big 50 Barleywine, Framboise Lambic, Barolo Wine, Berry Rhubarb Wine, Black Currant wine
On Deck: BGSA, Umlaut my Kölsch VII