Blue Petrol by Sin City Seeds
If you're tired of all the sweet, pastry-leaning cookie cuts flooding the market, you need to get your nose into Blue Petrol by Sin City Seeds. They crossed Petrolia Headstash with Tahoe OG and their notorious Blue Power stud to create an absolute monster. The Blue Power male is legendary in breeding circles for locking down structure and cranking up the trichome production, but the real star here is the terpene profile. We're talking pure, unadulterated, pungent fuel. There's practically zero sweet Kush influence—just straight gas that stings the nostrils the second you open a jar.
In the garden, this one can be a real hungry beast. Guys on THCFarmer have noted that she demands a heavy feeding schedule to reach her full potential, but if you treat her right, she pays you back in spades. It is a heavy-hitting indica dominant that pulls no punches, delivering a mind-blowing, couch-locking stone that'll lay out even the most seasoned smokers. Because of this raw power, Sin City used Blue Petrol as the backbone for heavy-hitting crosses like Gaslight and Z28, trying to pass that unmistakable diesel stank into modern lines.
Honestly, this is one of those keeper strains you hunt for when you want elite potency over commercial yields. It has been a bestseller for Sin City for a reason. If you are pheno-hunting a pack of Blue Petrol, you're not just looking for bag appeal. You're searching for that specific, nose-crinkling fuel phenotype that hits you right between the eyes and leaves your grow room reeking for days.
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Similar strains
| Breeder | Sin City Seeds |
|---|---|
| Type | 30% Sativa 70% Indica |
| Flowering time | ±60 days |
| Environment | Outdoors |
| Lineage | Petrol OG × Blue Power |
| Descendants | Peaches N Petrol, Z28, Original Sin, Banana Petrol, Gas Pump, Purple Petrol, Blue Lime Petrol, Neon Gas, Cherry Kerosene |
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🧬 Explore the family: Petrol OG · Blue Power · Peaches N Petrol · Z28 · Original Sin · Banana Petrol · Gas Pump · Purple Petrol · Blue Lime Petrol · Neon Gas
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Growing Blue Petrol: 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 Petrol OG or Blue Power 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.
Blue Petrol FAQ
How long does Blue Petrol take to flower?
Blue Petrol typically flowers in around 60 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.
Is Blue Petrol an indica or a sativa?
Blue Petrol is listed as 30% Sativa 70% Indica.
What are the parents of Blue Petrol?
Blue Petrol was bred from Petrol OG × Blue Power by Sin City Seeds.
What environment does Blue Petrol 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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