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Purple Berry Auto
Well-balanced indica autoflower with euphoric and calm effects and compact, resin-coated structure. Ideal for intermediate growers seeking stable genetics and strong production.
βFlavor:Hash, pine nut, creamy earth
Grower tip: Minimal training β indicas stay compact naturally
Premium stabilized genetics Β· germination guaranteed
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Free Seeds With Every Order
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Royal King Genetics β first-party test batch
Numbers below are from our internal seed-lot QC and verified grower submissions, not breeder marketing. Determined from a single batch tested 2026-03-15 on 450 seeds.
About Purple Berry Auto
The genetic expression of Purple Berry β a 76/24 indica β varies meaningfully across phenotypes. Most seeds from this line produce the dominant phenotype: a compact, bushy plant with broad fan leaves and golf-ball-dense flowers that pack on weight in the final two weeks. But expect variation β roughly 1 in 4 plants will lean slightly more toward the sativa parent, showing more stretch and airier flower structure. THC testing at 19% across phenotypes, with Caryophyllene consistently dominant.
Genetic Expression in the Grow Room
The dominant phenotype β which appears in roughly 70-75% of seeds β produces a compact, symmetrical plant with broad internodes and heavy lateral branching. Fan leaves are wide and dark green, typical of the indica heritage. Flower clusters form tight, round colas that pack on weight noticeably in the final 10 days before harvest.
The minority phenotype leans the other direction and may surprise growers expecting uniformity. Flowering completes in 8-10 weeks across phenotypes. Yield: 450-550g/mΒ² indoor, 350-500g/plant outdoor. Height: Compact (2-3 ft). Rated intermediate β the phenotype variation adds a layer of interest without adding significant difficulty. Growing from regular seeds with autoflowering genetics.
Effects and Use
At 19% THC, Purple Berry delivers euphoric, calm effects with a caryophyllene-influenced character. The onset is body-first β a warmth that starts in the chest and settles into the limbs over 5-10 minutes. At moderate doses, you remain conversational and present. At higher doses, the physical weight becomes dominant and evening use becomes the natural fit. The caryophyllene dominance contributes a grounding quality that prevents the effect from feeling scattered.
Terpene Profile
Dominant terpenes: Caryophyllene (primary), Myrcene (secondary), Bisabolol (tertiary). This combination produces a nose that develops complexity through the cure β expect the primary caryophyllene character to emerge first, with myrcene and bisabolol notes adding layers over 3-4 weeks in jars.
Who Should Grow Purple Berry
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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Purple Berry 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.
Purple Berry Auto β Real Grower Yield Reports
Yield data from US growers cultivating Purple Berry 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, 1000W HPS, SCROG | 122g |
| 5Γ5 tent, 730W LED, SCROG | 122g |
Purple Berry Auto β Sourcing & Genetics
Purple Berry Auto was developed in the 1990s and has been continuously refined since β modern releases are far more stable than the original 90s phenotypes.
Versatile across all US climates β 8-10 week cycle works in any growing window from Maine to Hawaii.
Purple Berry 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.
Five generations of selection on Purple Berry to lock the autoflower trait. Auto trigger reliability and tight finishing window expression are uniform across the population β no rogue photoperiod plants in the pack.
Lock the autoflower trait in Purple Berry through five generations of selection.
Selected for indica vigor, dense flower formation, and consistent finishing time.
Royal King Genetics in-house breeder room β pollen drawn from a generation-tracked sibling-male line.