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Sweet Diesel Auto
Well-balanced sativa autoflower with happy and energetic effects and extended stretch and airy colas. Ideal for intermediate growers seeking potency and reliable yields.
βFlavor:Mango, citrus peel, herbal musk
Grower tip: Keep veg short and let the plant finish its auto cycle naturally
Premium stabilized genetics Β· germination guaranteed
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About Sweet Diesel Auto
Sweet Diesel is a 14/86 sativa testing at 20% THC with a limonene-dominant terpene profile. At a practical level, this means a plant that stretches 40-60% after the flip and produces elongated colas with good light penetration through the canopy, finishing in 8-10 weeks. The Limonene/Pinene combination shapes both the aromatic profile and the effect character β this is not a one-dimensional strain.
Growing Parameters
Flowering time: 8-10 weeks from flip. Indoor yield at 600+ PPFD: 400-500g/mΒ². Outdoor in full sun with 5+ gallon containers: 350-500g/plant. Plant height indoors after training: Compact (2-3 ft). Feed EC targets: 1.0-1.4 in veg, 1.4-1.8 in peak flower. pH range: 6.0-6.5 in soil, 5.8-6.2 in coco. Limonene production peaks when day/night temperature differential exceeds 10Β°F in the final two weeks β growers who drop nighttime temps to 62-65Β°F during this window report stronger aromatic development.
This cultivar responds well to topping at the 4th node and moderate defoliation in week 1 and week 3 of flower. SCROG training at a 4x4 grid produces the most uniform canopy distribution. Rated intermediate difficulty.
Effects and Use
At 20% THC, Sweet Diesel delivers happy, energetic, creative effects with a limonene-influenced character. The onset is cerebral β a brightening of the mental space that arrives within minutes and can enhance focus, creativity, and conversation for 2-3 hours before gradually softening. The body stays comfortable without heaviness. The limonene dominance keeps the mental space bright and slightly elevated even when the body relaxes.
Terpene Profile
Dominant terpenes: Limonene (primary), Pinene (secondary), Terpinolene (tertiary). This combination produces a nose that develops complexity through the cure β expect the primary limonene character to emerge first, with pinene and terpinolene notes adding layers over 3-4 weeks in jars.
Who Should Grow Sweet Diesel
Best suited for growers who value speed and simplicity β autoflowering genetics mean no light schedule changes, compact plants, and harvest in 10-12 weeks from seed. The intermediate difficulty rating means basic growing competence is sufficient, but attention to detail during flower produces noticeably better results. Ships discreetly to all 50 US states with our germination guarantee.
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Sweet Diesel Auto β Lab-Verified Cannabinoid & Terpene Data
Independent third-party HPLC analysis. Total THC reported as max-potential (THC + 0.877 Γ THCA). Numbers reflect average across multiple batches; individual phenotypes may vary by 1-3 percent.
Sweet Diesel Auto β Real Grower Yield Reports
Yield data from US growers cultivating Sweet Diesel Auto autoflower seeds β submitted with batch codes, photos, and (where available) grower-purchased lab tests. First-time growers should expect 70-85 percent of these numbers.
| Setup | Yield |
|---|---|
| 4Γ4 tent, 600W LED, top + main-line | 330g |
| 4Γ4 tent, 600W LED, defoliation | 330g |
Sweet Diesel Auto β Sourcing & Genetics
Sweet Diesel Auto originates from a 2010s California breeder line developed by hand-selecting the most potent phenotypes from multiple generations.
Versatile across all US climates β 8-10 week cycle works in any growing window from Maine to Hawaii.
Sweet Diesel Auto β Breeder Information
Royal King GeneticsBred and stabilized in-house by Royal King Genetics β our internal breeding team. Every batch is QC'd and germ-tested above 99% before it ships. Read our full breeding process and about page.
Sweet Diesel is an autoflowering line that has been worked through five generations of Royal King Genetics autoflower stabilization. The autoflower trait is recessive β fixing it requires multi-generation work β and at F5 the auto trigger and finish window are locked across the pack.
Stabilize the recessive ruderalis trait in Sweet Diesel for uniform auto-trigger.
Selected for terpene saturation, sativa vigor, and balanced finish time despite long-flowering genetics.
Royal King Genetics in-house mother stock β pollen drawn from a sibling male sourced from the same selected pheno population.