Hashman Jack by Happy Bird Seeds

Hashman Jack strain photo
Type ruderalis/indica/sativaFlower ±76 daysCross Jack Herer × Super Dense Auto

Hashman Jack is an indica-leaning cannabis strain from Happy Bird Seeds, bred by crossing Jack Herer × Super Dense Auto. Indoors it typically finishes flowering in around 76 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Hashman Jack grows against.

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BreederHappy Bird Seeds
Typeruderalis/indica/sativa
Flowering time±76 days
EnvironmentOutdoors, Greenhouse
LineageJack Herer × Super Dense Auto

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🧬 Explore the family: Jack Herer · Super Dense Auto

Ancestry Pedigree

Jack Herer
New420Guy Seeds
Jack Herer
Sensi Seeds
Northern Lights Nr5
The Seed Bank
Purest Indica
Clone Only Strains
Afghani
Unknown or Legendary
Afghanistan Indica
Original Strains
Hawaii Sativa
Original Strains
Skunk Nr1
Sensi Seeds
Skunk Nr1
The Seed Bank
Skunk Nr1
Cultivators Choice
Afghanistan Indica
Original Strains
Mexico Sativa
Original Strains
Colombia Sativa
Original Strains
Super Dense Auto
New420Guy Seeds
Ruderalis
Original Strains
Super Dense
New420Guy Seeds
Pakistan Indica
Original Strains
Indica
Original Strains
Indica
Original Strains
Indica
Original Strains

Growing Hashman 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 Jack Herer or Super Dense Auto 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.

Hashman Jack FAQ

How long does Hashman Jack take to flower?

Hashman Jack typically flowers in around 76 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.

Is Hashman Jack an indica or a sativa?

Hashman Jack is listed as ruderalis/indica/sativa.

What are the parents of Hashman Jack?

Hashman Jack was bred from Jack Herer × Super Dense Auto by Happy Bird Seeds.

What environment does Hashman 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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Facts compiled from public breeder listings. Growing Hashman Jack? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.

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Published by Cultivar (logmygrow.com), a structured grow journal. These reference bands are the same ones the app grades real grows against. Free to cite with a link. Some outbound product links are affiliate links — see disclosures.