Pursang Haze by Unknown or Legendary
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If you were kicking around the Amsterdam coffee shop scene back in the mid-2000s, you probably remember the absolute chokehold Pursang Haze had on the menu. The original genetics were sourced from Barney’s Farm, but it was the legendary, now-inactive breeder Sonic Seeds who really put in the work to stabilize it. They ran through over forty plants to isolate the perfect male, and what they created was a ridiculously complex cross of Super Silver Haze, Jack Herer, and a Northern Lights/Thai hybrid. It was the kind of hazy, soaring sativa that old-school heads still talk about with total reverence.
When guys were popping the original Sonic seeds, they were mostly hunting for three distinct phenotypes. You had one that was purely a spicy, gooey Caribbean landrace expression, another that tasted exactly like sweet and spicy chewing gum, and a third that reeked of sharp lemon-lime floor cleaner. The lemon-lime pheno was usually the crowd favorite. It took about 70 days to finish flowering, which is actually pretty fast for a haze, and it rewarded growers with massive, spear-shaped colas that were completely encrusted in glandular trichomes.
Sadly, authentic cuts of Pursang Haze are practically ghost stories these days since Sonic Seeds closed up shop. Back in its prime, Sonic used their favorite 'Pursang 6' male to breed absolute monsters like Sonic Boom and London Fog, passing down that unmistakable heady, uplifting high. The effect of a true Pursang Haze was electric—it hit your brain immediately with a rush of creative energy, but had just enough Northern Lights in the trunk to keep you from spinning out into paranoia. If anyone is still holding a real cut of this in their mother room, they’re sitting on a serious piece of cannabis history.
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Similar strains
| Breeder | Unknown or Legendary |
|---|---|
| Type | mostly sativa |
| Flowering time | ±70 days |
| Environment | Indoors, Outdoors |
| Lineage | Northern Lights × Super Silver Haze |
| Descendants | Pursang F4, Shimla Haze, London Fog, Trichome Jungle Seeds - Jungle Cheese V2, Sonic Boom, So High Sativa, Pursang Haze |
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🧬 Explore the family: Northern Lights · Super Silver Haze · Pursang F4 · Shimla Haze · London Fog · Trichome Jungle Seeds - Jungle Cheese V2 · Sonic Boom · So High Sativa · Pursang Haze
Ancestry Pedigree
Barneys Farm
Unknown or Legendary
Clone Only Strains
Mr Nice Seedbank
Green House Seeds
Cultivators Choice
Unknown or Legendary
Original Strains
Original Strains
Original Strains
Cultivators Choice
Clone Only Strains
Unknown or Legendary
Original Strains
Original Strains
Sensi Seeds
The Seed Bank
Sensi Seeds
The Seed Bank
Growing Pursang Haze: 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 Northern Lights or Super Silver Haze 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.
Pursang Haze FAQ
How long does Pursang Haze take to flower?
Pursang Haze typically flowers in around 70 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Pursang Haze an indica or a sativa?
Pursang Haze is listed as mostly sativa.
What are the parents of Pursang Haze?
Pursang Haze was bred from Northern Lights × Super Silver Haze by Unknown or Legendary.
What environment does Pursang Haze 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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