Jack 33 by CH9 Female Seeds
Jack 33 by CH9 Female Seeds is an absolute sleeper hit that doesn't get nearly the respect it deserves in modern gardens. Bred by crossing their proprietary CH9 Jack selection with the legendary CH9 Flower, this slightly sativa-dominant hybrid essentially bottles up the magic of old-school Jack Herer and Original Haze but in a much more manageable format. While traditional Haze crosses are notorious for stretching into the lights and taking forever to finish, Jack 33 was specifically selected to stay short and bushy. It finishes up in a blisteringly fast 7 to 8 weeks, making it a godsend for indoor growers working with tight vertical space who still want those classic, soaring sativa effects.
What really makes this strain legendary among the old heads is the unique terpene profile and the quality of the high. When you crack a jar of well-cured Jack 33, you get hit in the face with a sweet, spicy grape aroma that sits heavily on top of a classic, metallic Haze undertone. The smoke is smooth and complex, leading to an effect that’s lightly trippy, highly social, and famous for inducing a literal perma-smile. And unlike a lot of today's heavy-hitters that blast your tolerance through the roof after a week, Jack 33 has this magical ability to provide a clean, refreshing high day after day without burning you out.
Because the genetics proved to be so rock-solid and stable, CH9 actually used Jack 33 as the backbone for a whole lineup of killer crosses. Strains like Herijuana Jack 33 and Critical Mass 33 wouldn't exist without the structural integrity and complex aromatics this plant brings to the table. Some phenos lean heavier into that spicy Mexican and Thai landrace heritage, throwing slightly longer colas, while others stay incredibly squat. But no matter which pheno you get, you're guaranteed a fast-finishing, uplifting daytime smoke that perfectly bridges the gap between old-world Haze lineages and modern indoor cultivation demands.
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Similar strains
| Breeder | CH9 Female Seeds |
|---|---|
| Type | indica/sativa |
| Flowering time | ±49 days |
| Environment | Outdoors |
| Lineage | Jack × Flower |
| Descendants | Afghan Haze 33, Humboldt, Critical Mass 33, Power Plant, Red Colombian Haze, Bubba Kush 33, California, Super Haze, Herijuana Jack 33, CH9 Female Seeds - Gryphon 33, CH9 Female Seeds - Long Haze, White Shark 33, NL5 Haze Jack 33, Toxic Blue 33 |
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🧬 Explore the family: Jack · Flower · Afghan Haze 33 · Humboldt · Critical Mass 33 · Power Plant · Red Colombian Haze · Bubba Kush 33 · California · Super Haze
Ancestry Pedigree
CH9 Female Seeds
Sensi Seeds
The Seed Bank
Original Strains
Original Strains
Original Strains
Original Strains
Original Strains
Sensi Seeds
The Seed Bank
Original Strains
Cultivators Choice
Unknown or Legendary
Original Strains
Original Strains
Original Strains
Original Strains
CH9 Female Seeds
Dutch Passion
Original Strains
Unknown or Legendary
Growing Jack 33: 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 Jack or Flower 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 33 FAQ
How long does Jack 33 take to flower?
Jack 33 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 33 an indica or a sativa?
Jack 33 is listed as indica/sativa.
What are the parents of Jack 33?
Jack 33 was bred from Jack × Flower by CH9 Female Seeds.
What environment does Jack 33 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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