How to grow Jack 47 Auto
Seb's take
An autoflowering Jack 47, built from an auto Jack Herer and the house AK-47 line, described without much modesty as the strongest auto on the market. Sweet citrus earth on the nose, with the same happy, euphoric energy as its parent, delivered faster and in a shorter frame. A third-generation auto, consistent by design.
Growing Jack 47 Auto: what to expect
She's an auto — on her own clock from the day she sprouts. No switching lights, no waiting on seasons, and no pausing while you sort problems either; read how autos differ before day one.
She takes a conventional 9 weeks to flower. Conventional is underrated; so is knowing what week you're in.
Expect roughly 120 cm of plant. Manageable, though she'll appreciate a little training if your headroom is tight.
Expect 450 – 600 g/m² — a working grower's yield, reliable rather than theatrical. The harvest guide will see it in safely.
Listed at 21% THC — potent, verifiably. The figure comes from the breeder's testing, not from our enthusiasm.
Sweetness leads on the nose, and she doesn't whisper it.
The dominant note in the reviews is uplifting; daytime company, by most accounts.
Learn to grow her properly:
Common questions about Jack 47 Auto
How long does Jack 47 Auto take to flower?
Around 9 weeks of flowering, by the breeder's numbers.
Is Jack 47 Auto an autoflower or a photoperiod strain?
An autoflower — she flowers on age rather than light hours, which simplifies the schedule considerably.
How tall does Jack 47 Auto grow?
Around 120 cm. Standard tent territory.
How strong is Jack 47 Auto?
The breeder lists THC around 21%. Firmly in the strong band.