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Growing Critical Jack
What's published about growing Critical Jack. Figures vary by breeder and setup.
| Flowering time | 8–9 weeks (~60 days) |
|---|---|
| Lineage | Jack Herer × Critical Plus |
Photoperiod cuts typically finish flowering in 8–9 weeks (~60 days) under indoor or greenhouse lighting.
General growing guides
These apply to any strain, including Critical Jack.
How to train autoflowers safely
Autoflowers run on their own clock, so train gently and early. Bending and tucking leaves is…
Defoliation and lollipopping: what to remove and what to leave
Remove leaves or weak growth for a clear reason, while keeping healthy foliage that supports the…
SCROG or SOG: which canopy method?
SCROG spreads one to a few plants across a net over a longer growing time. SOG…