Uncle Doobie's Sour Diesel BX 2.5

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Basic infos

Uncle Doobie's Sour Diesel BX 2.5 is an mostly sativa from Aficionado Seed Bank and can be cultivated indoors (Where the plants will need a flowering time of ±70 days) Aficionado Seed Bank's Uncle Doobie's Sour Diesel BX 2.5 is/was never available as feminized seeds.

Aficionado Seed Bank Description

There are strains that whisper and strains that announce themselves with a jet engine. Uncle Doobie's Sour Diesel BX 2.5 is the latter — a hand-selected, craft-bred take on the classic Sour Diesel “A Cut” that keeps the familiar spark but arrives meaner, frostier, and built for modern production. Open a jar and you’ll feel it: sharp rubbery fuel up front, a citrus snap that cuts through, and that unmistakable skunk that pins the nose to the room. This isn’t nostalgia — it’s the old-school diesel identity, amplified and tightened for today’s growers and smokers.

Aficionado Seeds leaned on the best pieces of Sour lineage and doubled down: Sour Diesel “A Cut” backcrossed through a Sour Diesel “A Cut” × Hunter Mountain Sour Diesel × Chem Fuego mix. The recipe is simple on paper and intoxicating in practice — concentrated diesel character with extra vigor, frost, and density from the Chem influence, while Hunter Mountain lends resilience and color. What you get are sativa-leaning plants with cleaner internodes, better structure, and heavy resin heads that photograph and hash equally well.

The first impression is pure fuel — loud, rubbery, jet-like. Beneath that is a bright lemon snap and an earthy-skunk backbone that lingers. Caryophyllene brings peppery bite, limonene lifts with citrus, myrcene gives sweet-earth depth, and pinene threads in a dry pine lift. Ground or burnt, the profile reads as “jet fuel with lemon zest.”

Effects land fast and clean: a mental spark, an electric mood lift, and a chatty, creative phase that’s ideal for daytime flow — studio time, chores, or getting things done outside. Body effects stay light and mobile; the comedown is tidy with a pleasant afterglow. At 21–25% THC, potency is real—great for seasoned users, and easy to overdo if you’re sensitive.

• Pheno A: Tall, classic Sour frame — heavy fuel-citrus nose, late foxtailing tips, resin-forward. Best bag appeal.
• Pheno B: Shorter, thicker laterals — chem funk on the backend, denser buds, robust yields.
• Pheno C: Lean sativa look — fastest finisher, pronounced lemon-pine edge, cleaner aroma with less skunk.

All phenos frost up nicely. Plan to select by week 4–5 of flower to lock in your preferred nose and structure.

Difficulty: Intermediate. She stretches 1.5–2x in flower — plan your canopy early.

• Veg: 3–5 weeks. Top once or twice, then run SCROG or light trellising.
• Environment: 78–82°F day / 68–72°F night. Keep VPD in range; she dislikes high humidity late.
• Nutrients: Moderate feed; avoid heavy N past week 3 flower to keep terps sharp.
• Flowering: 63–77 days (9–11 weeks). Most finish around day 70–73; faster phenos wrap by day 65.
• Training: LST and supercrop early stretch; defoliate lightly around weeks 3 and 6 to open sites.
• Yield: High. Expect heavy tops when properly supported; SOG or SCROG both work.
• Terps & Drying: For max diesel, keep night temps slightly cooler in late flower and dry slow at 60°F / 60% RH.
• Pro tip: She’ll push aroma hard — invest in carbon filtration. Harvest when trichomes are mostly cloudy with 5–10% amber to preserve the heady lift.