9lb Hammer by Jinxproof

9lb Hammer strain photo
Type mostly indicaFlower ±55 daysCross GooBerry × Jesus OG

When Jinxproof dropped the 9lb Hammer, it completely changed the game for guys looking for massive yields without sacrificing that heavy-hitting potency. Originally pushed through Subcool's TGA Genetics before Jinxproof started slinging it direct from his own Dank Bank, this indica-dominant monster is exactly what it sounds like. It’s a genius cross between the ultra-resinous Gooberry and a heavy-duty Jesus OG Kush male. The result is a plant that knocks you out cold. We're talking a devastating, full-body stone that literally feels like taking a sledgehammer to the dome.

From a grower's perspective, 9lb Hammer is an absolute pleasure to run. It stacks up with that classic Kush growth pattern—super vigorous, thick stalks, and rock-hard buds that look like they've been rolled in crushed glass. If you scrog it or hit it with some late-veg topping, the canopy fills out perfectly and dumps resin like crazy. Come harvest time around day 55 to 60, you'll see some of the most beautiful autumn fade colors in your tent, with the leaves turning deep purples and reds. Hash makers absolutely lose their minds over this one because the return on the rosin press is just ridiculous.

The terp profile on a good 9lb Hammer pheno is something you never forget. While some lean more earthy, the keeper cuts throw out this insane melon, lime, and grape candy funk inherited straight from the Gooberry parent. Beware of sketchy white-label seed banks trying to pass off fake seeds, though—you always want to source the official gear straight from Jinxproof. If you need a serious nightcap to kill muscle pain or insomnia, this is the undisputed king of the knockout punch.

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Similar strains

Tap OutJinxproof · ±70 daysGoTimeJinxproof · ±61 daysScarecrow OGJinxproof · ±63 daysMothertongueJinxproof · ±58 daysComfortably DumbJinxproof · ±56 daysSafety MeetingJinxproof · ±60 daysAuto Diesel MassMr. Hide · ±55 daysBlueberry GumG13 Labs · ±55 daysChocolate EruptionLost River Seeds · ±55 daysChoke CherrySin City Seeds · ±55 daysClone Chief's SVT 40Street Medic Genetics · ±55 daysCodeine KushFatbush Seeds · ±55 daysAll Jinxproof →
BreederJinxproof
Typemostly indica
Flowering time±55 days
EnvironmentOutdoors
LineageGooBerry × Jesus OG
DescendantsSludge Hammer, Bloody Hammer, 9 Pound Hammer x Northern Lights, H. Munster, TKO'd, Triple 9, High School Sweetheart Breath F2 x 9lb Hammer, Gallagher, 9lb Flubber, The Sledge, Problem Child, IronSmith OG, Black Abyss, Zeca’s 9lb Cookies, Anslinger's Demise, 9Lb Hammer x Purple Punch, God O War, Frost Hammer, Hell on Wheels, Tom's Plushhammer, The Blacksmith, Hitgirl, Blunt Force Trauma, Ground Pounder, Drippy Hammer, 9 Volt, BIG EGO, Safety Meeting, Black Cherry Surprise, Citrol Sledgehammer

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🧬 Explore the family: GooBerry · Jesus OG · Sludge Hammer · Bloody Hammer · 9 Pound Hammer x Northern Lights · H. Munster · TKO'd · Triple 9 · High School Sweetheart Breath F2 x 9lb Hammer · Gallagher

Ancestry Pedigree

GooBerry
Unknown or Legendary
Afgooey
Clone Only Strains
Afghani Nr1
Sensi Seeds
Afghanistan Indica
Original Strains
Afghanistan Indica
Original Strains
Hawaii Sativa
Original Strains
Blackberry
Unknown or Legendary
The Black
Unknown or Legendary
Afghani
Unknown or Legendary
Mexico Sativa
Original Strains
Vietnam Hybrid
Original Strains
Afghani
Unknown or Legendary
Afghanistan Indica
Original Strains
Jesus OG
SubCools The Dank
Hells Angel OG
Unknown or Legendary
OG Kush
Clone Only Strains
Unknown Strain
Original Strains
Hindu Kush Indica
Original Strains
Blackberry
Unknown or Legendary
Jack the Ripper
SubCools The Dank
Jacks Cleaner
SubCools The Dank
Unknown Strain
Original Strains
Jamaica Sativa
Original Strains
Jack Herer
Sensi Seeds
Northern Lights Nr5
The Seed Bank
Haze
Unknown or Legendary
Skunk Nr1
Sensi Seeds
Skunk Nr1
The Seed Bank
Skunk Nr1
Cultivators Choice
Afghanistan Indica
Original Strains
Mexico Sativa
Original Strains
Space Queen
BC Growers Association
Romulan
Unknown or Legendary
Mostly Indica
Original Strains
Cinderella 99
Brothers Grimm
Princess
Brothers Grimm
Jack Herer
Sensi Seeds
Unknown Strain
Original Strains
P94
Brothers Grimm
Princess
Brothers Grimm
Cinderella 88
Brothers Grimm
Princess
Brothers Grimm
P75
Unknown or Legendary
Princess
Brothers Grimm
P50
Unknown or Legendary
Princess
Brothers Grimm
Shiva Skunk
Sensi Seeds
Northern Lights 5 Skunk Nr1 F1 Hybrid
The Seed Bank
Northern Lights Nr5
The Seed Bank
Skunk Nr1
The Seed Bank

Growing 9lb Hammer: 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 GooBerry or Jesus OG 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.

9lb Hammer FAQ

How long does 9lb Hammer take to flower?

9lb Hammer typically flowers in around 55 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.

Is 9lb Hammer an indica or a sativa?

9lb Hammer is listed as mostly indica.

What are the parents of 9lb Hammer?

9lb Hammer was bred from GooBerry × Jesus OG by Jinxproof.

What environment does 9lb Hammer 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 9lb Hammer? 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.