Jack the Ripper by SubCool

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Man, if you were around the forums in the late 2000s, you already know Jack the Ripper or 'JTR' was absolute royalty. Subcool really outdid himself with this one. He took his legendary, elite clone Jack's Cleaner—a wild genetic mix of Pluton, Lambs Bread, Purple Haze, Northern Lights, and Jack Herer that smelled like straight-up chemical lemon cleaner—and hit it with pollen from a Space Queen male. The Space Queen (Romulan x Cinderella 99) was exactly what the doctor ordered, bringing in much-needed structural vigor to the flimsy Jack's Cleaner while sweetening up that sharp citrus with some candy mango undertones. The result? A massive yielder of absolute frost monsters that finish in just about eight weeks. Growers on the old boards would constantly rave about the sheer amount of resin on these plants. We're talking buds so caked in trichomes that they felt like little rocks when you tried to break them apart, making a grinder an absolute necessity. Some guys even reported this crazy mutation where a single seed would pop out twin taproots, a wild little quirk that became part of the JTR lore. When she hits flower, the smell is unmistakable—sharp, astringent lemon pledge mixed with a heavy background of hash and pine. You really had to make sure your carbon scrubbers were dialed in, because she reeks loud and proud from weeks four to eight. But the high is what really put her in the High Times Top 10 back in '06. This isn't your lazy Sunday couch-lock weed. It's an intense, racy, sativa-driven cerebral blast that gets your heart pumping and your mind racing. Because of how hard it hits, novice smokers were always warned to take it easy. A few too many pulls and you're pacing the living room checking the blinds. But for the veteran heads looking for a heavy, creative daytime high, there was nothing quite like it. Subcool might be gone, but JTR cemented his legacy as one of the best breeders to ever do it.

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🧬 Explore the family: Jacks Cleaner · Space Queen · Ripped Bubba · Tinto De Verano · Jack The Ripper · Mack Da Knife OGK · London Fog · TGA Subcool Seeds - Strawberry Daiquiri · Jesus OG · Butt-Head

Ancestry Pedigree

Growing Jack the Ripper: what to expect

As a sativa-leaning plant, plan for a big stretch after the flip (often 100–200%) — flip earlier than feels natural and keep training options ready. Sativa-leaning plants also generally prefer a lighter feed than heavy indicas. Growers familiar with Jacks Cleaner or Space Queen 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 the Ripper FAQ

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

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