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Black Bubba Auto
Well-balanced indica autoflower with euphoric and creative effects and tight node spacing. Ideal for intermediate growers seeking balanced potency and manageable training.
◉Flavor:Pine, kush, dark berry
Grower tip: Harvest when 70–80% of trichomes turn cloudy
Premium stabilized genetics · germination guaranteed
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About Black Bubba Auto
The most common mistake growers make with Black Bubba is underestimating how dense the flower structure gets in weeks 6-8, leading to humidity problems inside the buds when airflow is inadequate. This is a strain that demands attention to canopy airflow in late flower, not because it is fragile, but because the dense ${indica}/${sativa} structure traps moisture if you do not proactively manage it. At 19% THC with myrcene-dominant terpenes, the quality ceiling is high, but you have to manage the specific characteristics of this cultivar to reach it.
Growing This Strain: Where Things Go Right and Wrong
The three most common issues growers report with Black Bubba:
1. Nutrient timing at the flip. This cultivar shifts its feeding demand faster than many strains at the veg-to-flower transition. Growers who continue high-nitrogen veg feed for more than 5-7 days after the 12/12 switch see excess foliage development at the expense of bud formation. Switch to bloom nutrients within the first week of seeing pistils.
**2. Late-flower humidity. The dense flower structure means interior humidity can spike even when ambient RH is acceptable. Defoliate strategically at the start of week 3 of flower to open airflow paths, and keep oscillating fans moving air through (not just above) the canopy.
3. Harvest timing. With myrcene as the dominant terpene, the aromatic peak does not align perfectly with the trichome maturity peak. Growers chasing maximum terpene expression should harvest at 10-15% amber. Growers prioritizing potency should wait for 15-20% amber. These are different windows, know which one you are targeting.
Flowering: 8-10 weeks. Yield: 350-450g/m² indoor / 600-800g/plant outdoor. Height: Medium (3-4 ft). Difficulty: intermediate.
What Users Report
Black Bubba at 19% THC produces euphoric, creative, calm sensations that users consistently describe as physically comforting without being immobilizing at moderate doses. The relaxation builds gradually, noticeable within 10 minutes, settling fully by the 20-minute mark, and sustaining for 2-3 hours. The Myrcene/Humulene terpene pairing gives this strain a distinctive effect signature that experienced users recognize as different from other indicas at similar THC levels.
Best suited for evening use, unwinding after a long day, and situations where deep physical relaxation is the goal.
Terpene Profile
Dominant terpenes: Myrcene (primary), Humulene (secondary), Linalool (tertiary). This combination produces a flavor that rewards patience in the cure, the terpene complexity at week 4 in jars is substantially more interesting than the flat, one-note character of a rushed one-week cure.
Who Should Grow Black Bubba
This strain fits growers with at least one harvest behind them who want to step up in quality without dramatically increasing complexity. The autoflowering genetics simplify the growing process, no light schedule management, compact size, and a fast seed-to-harvest timeline. Indoor growers in any US state can run this strain with standard tent equipment. Outdoor growers should match the 8-10 weeks flowering period to their frost-free window.
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Black Bubba Auto, Cannabinoid & Terpene Reference
Reference ranges aggregated from publicly-reported third-party lab data and breeder documentation. Total THC reported as max-potential (THC + 0.877 × THCA). Individual seed-lot expression may vary by 1-3 percent.
Black Bubba Auto, Aggregated Grower Yield Reports
Yield ranges aggregated from public grower journals, breeder-documented spec sheets, and cultivation community reports on Black Bubba Auto autoflower seeds. First-time growers should expect 70-85 percent of these numbers.
| Setup | Yield |
|---|---|
| 4×4 tent, 600W LED, SCROG | 320g |
| 3×3 tent, 400W LED, single-cola | 320g |
| Outdoor, balcony, 5-gal fabric pot | 435g |
Black Bubba Auto, Sourcing & Genetics
Black Bubba Auto was first stabilized in Amsterdam coffee-shop circles in the 2000s and adapted to American growing conditions through North American breeding programs.
Versatile across all US climates, 8-10 week cycle works in any growing window from Maine to Hawaii.
Black Bubba Auto, Breeder Information
Royal King GeneticsBred and stabilized in-house by Royal King Genetics , our internal breeding team. Every order is backed by our 95% germination guarantee. Read our full breeding process and about page.
Five generations of Royal King Genetics autoflower stabilization on Black Bubba. Auto trigger time, finish window, and tight finishing window are uniform, no photo-hybrid surprises in the pack.
Reach auto trigger and finish-window uniformity for the Black Bubba pack.
Selected for indica vigor, dense flower formation, and consistent finishing time.
Royal King Genetics in-house breeder room, pollen drawn from a generation-tracked sibling-male line.