Jack by CH9 Female Seeds
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Jack lands on the indica-leaning side of the spectrum, CH9 Female Seeds's take on the Ed Rosenthal Super Bud × Jack Herer line. Indoors it typically finishes flowering in around 49 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Jack grows against.
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Similar strains
| Breeder | CH9 Female Seeds |
|---|---|
| Type | indica/sativa |
| Flowering time | ±49 days |
| Environment | Outdoors |
| Lineage | Ed Rosenthal Super Bud × Jack Herer |
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🧬 Explore the family: Ed Rosenthal Super Bud · Jack Herer
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Growing Jack: what to expect
As an indica-leaning plant, expect a modest stretch after the flip (roughly 50–100%) and dense bud structure — which makes late-flower humidity discipline the main risk: keep RH in the 40s once buds fatten to stay ahead of mold. Growers familiar with Ed Rosenthal Super Bud or Jack Herer will recognize much of its behavior. Whatever the listing says, the cut in YOUR tent is the ground truth: log feedings, readings, and photos, and let the trends — not the label — drive decisions.
Jack FAQ
How long does Jack take to flower?
Jack typically flowers in around 49 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Jack an indica or a sativa?
Jack is listed as indica/sativa.
What are the parents of Jack?
Jack was bred from Ed Rosenthal Super Bud × Jack Herer by CH9 Female Seeds.
What environment does Jack like?
Standard cannabis bands work well: VPD 0.8–1.1 kPa in veg and 1.0–1.4 kPa in flower, with humidity stepping down from 65–75% as a seedling to 40–50% in late flower. See the stage-by-stage table on this page.
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