UBC Chemo by Federation Seeds
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When you start talking about true Canadian cannabis mythology, UBC Chemo is usually the first name that gets dropped. The legend goes that this clone-only powerhouse was developed back in the late 60s or 70s at the University of British Columbia, specifically to help cancer patients deal with the brutal nausea and pain of chemotherapy. The rumors ran so deep that people even claimed Dr. David Suzuki was the mad scientist behind it, though that's been debated endlessly on the forums. What isn’t up for debate is the absolute raw power of this plant. For decades, it was a tightly held medical clone, until breeders like Federation Seeds and BC Bud Depot finally managed to stabilize it and release crosses or S1 seeds to the public.
If you manage to get your hands on an authentic cut, UBC Chemo is one of the weirdest, most unique plants you'll ever grow. It’s almost 100% Indica and grows incredibly slow and squat, forming this weird, bonsai-like woody structure. The leaves often throw strange polyploid mutations, making it look almost alien compared to modern hybrids. It usually takes a full 9 to 11 weeks to finish, but the wait is entirely worth it. The buds cure into rock-hard, sticky little nuggets that smell like a damp forest floor covered in pine needles and old-school hash. It's an earthy, mossy flavor profile that instantly transports you back to the medical underground of the 90s.
But the real reason growers on Mr. Nice and THCFarmer still hunt for this cut is the high. UBC Chemo isn’t meant for a casual wake-and-bake; it’s an absolute sledgehammer designed for deep, numbing pain relief. The effects are intensely sedative, washing over you with a heavy, warm blanket that practically forces your eyes shut. It’s the definition of a "couch-lock" strain, bred purely for medicinal function over pretty colors or fruity flavors. In a market flooded with candy-terp polyhybrids, UBC Chemo remains a legendary piece of old-school medicine that still commands massive respect from anyone who remembers what real deal, medicinal-grade Indica feels like.
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Similar strains
| Breeder | Federation Seeds |
|---|---|
| Type | mostly indica |
| Flowering time | ±63 days |
| Environment | Outdoors |
| Lineage | UBC Chemo × Unknown Strain |
| Descendants | Chemo, Mighty Chemo Widow, Romulan x UBC Chemo, Wakeford 1.0, Early Chemo, Dr. Greenthumb - Columbian Skies, UBC Chemo, Remo Chemo, Chemo X Jack Herer, S.A.M., Dr. Greenthumb - Fire Hydrant, UBC Chemo, Beauty and the Beast, Oh! Zone |
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🧬 Explore the family: UBC Chemo · Unknown Strain · Chemo · Mighty Chemo Widow · Romulan x UBC Chemo · Wakeford 1.0 · Early Chemo · Dr. Greenthumb - Columbian Skies · UBC Chemo · Remo Chemo
Ancestry Pedigree
Clone Only Strains
Original Strains
Original Strains
Growing UBC Chemo: 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 UBC Chemo or Unknown Strain 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.
UBC Chemo FAQ
How long does UBC Chemo take to flower?
UBC Chemo typically flowers in around 63 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is UBC Chemo an indica or a sativa?
UBC Chemo is listed as mostly indica.
What are the parents of UBC Chemo?
UBC Chemo was bred from UBC Chemo × Unknown Strain by Federation Seeds.
What environment does UBC Chemo 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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