How to grow Jack 47 XL Auto
Seb's take
An XL take on Jack 47 Auto that stretches past 130cm without asking permission first, autoflowering discipline notwithstanding. Sweet lemon with incense on the nose, the same uplifting, energetic lift as its parent, only from a considerably taller plant. Grow her Sea of Green style, and she'll clear 600g/m² without complaint.
Growing Jack 47 XL Auto: what to expect
Auto-flowering, so the light-schedule homework is largely done for you. Less control, fewer mistakes on offer — a fair trade for a first grow. Details in autos versus photoperiods.
Expect around 9 weeks in flower — textbook timing. Textbooks, for once, being useful: here's ours.
She finishes around 130 cm: the sensible middle of the range. Most tents take her without argument — check yours against the light planner all the same.
She produces respectably: 475 – 600 g/m² or thereabouts when treated well. Consistency is her selling point — feed her properly and she keeps her end of the bargain.
THC tests around 21%, which is strong by any sensible chart. Respect it accordingly.
The nose runs sweet — dessert-adjacent, without apology.
Effects report as chiefly uplifting — she raises the tone of a room rather than lowering the lights.
Learn to grow her properly:
Common questions about Jack 47 XL Auto
How long does Jack 47 XL Auto take to flower?
Around 9 weeks of flowering, by the breeder's numbers.
Is Jack 47 XL 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 XL Auto grow?
Around 130 cm. Standard tent territory.
How strong is Jack 47 XL Auto?
The breeder lists THC around 21%. Firmly in the strong band.