Sour Hayabusa sits inside Karma’s Sour Diesel line and pairs an old-school Hayabusa OG backbone with Karma Sour Diesel bx2—a combination built around direction and continuity, not novelty. This is a regular-seed release meant to be run and selected, with real potential for keeper males and females if you treat it like a proper hunt.
If you’ve been following Karma’s Diesel work, this is a pack that’s less about a loud story and more about worked foundation + usable selection range.
Genetics & release context
Hayabusa OG × Karma Sour Diesel bx2
Regular seeds.
Why Karma Sour Diesel bx2 matters (male backbone)
The Karma Sour Diesel bx2 male is one of the core pillars in Karma Genetics’ work: a Diesel direction that’s been worked through selection, not left to chance. The “bx2” tells you this isn’t just a label—it points to a tightened, more consistent line used to anchor crosses with a repeatable Diesel backbone.
In the wider grower community, Karma’s Diesel work is widely regarded as top-tier—and bx2 is a big reason why: it’s the kind of male that doesn’t just add “Diesel vibes”, it brings structure and continuity that serious growers can actually build with.
What to expect in flower (honest, no fantasy)
Sour Hayabusa isn’t a “fast-finisher” style cross. The listed window is 10–12 weeks, and the finish matters—this is one of those releases where patience can decide whether you see the line’s full direction or not.
Because it’s regular, the real value is selection: run numbers if you can, keep notes, and think in terms of parents + keepers, not just a one-off run.
Grow notes (specs)
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Sex: Regular
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Pack size: 12 seeds
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Flowering time: 10–12 weeks
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Yield: High
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Line: Karma’s Sour Diesel line
For who (growers / breeders / collectors)
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Diesel-line growers who care about worked, repeatable backbone rather than random hybrids
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Breeders / selectors who want access to keeper males + females from a meaningful foundation
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Collectors who only buy Karma when provenance and legitimacy are clear (not grey supply)
Shipping, authenticity & trust
Why this release earns its place
At Old School Genetics we don’t “curate” with marketing language—we back releases that make genetic sense. Sour Hayabusa earns its place because it uses Karma Sour Diesel bx2 as a worked backbone and keeps the format regular, so it can produce real parents and real keepers.
Authorized Karma Genetics distributor & international shipping
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Authorized distributor of Karma Genetics (direct relationship + long-time collaboration)
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Ships to the USA & worldwide
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Clean provenance: no grey-market sourcing, no mystery restocks
Explore more Karma Genetics
FAQ · Sour Hayabusa (Karma Genetics)
Is Sour Hayabusa an official release?
Yes—supplied via Old School Genetics with direct provenance as an authorized distributor.
What’s the genetic cross?
Hayabusa OG × Karma Sour Diesel bx2.
Is it feminized or regular?
Regular seeds.
How long is flowering?
Approximately 10–12 weeks (phenotype and environment can influence finish time).
What yield should I expect?
Listed as high (results vary by phenotype and setup).
Is this better for a quick run or a selection hunt?
Best treated as a selection hunt—regular format + a worked Diesel backbone makes it ideal for keepers and potential parents.
Why buy here instead of random listings?
Because provenance matters. Authorized distribution, direct relationship, and reliable international fulfillment—no grey supply.
