CANNALIB · STRAIN DOSSIER · BLACK JACK
Black Jack
3 independent sources put THC at 19.9%; 1,063 flower lab samples give a 10th to 90th percentile band of 12.3 to 26.2%; 13 recorded parents; 15 recorded descendants. It placed in results from Oregon Growers Cup, The Emerald Cup and Jack Herer Cup.
Black Jack is a indica dominant hybrid cannabis strain bred by Blimburn. Lab tests put its THC between 12.3 and 26.2% (the middle 80% of 1,063 flower samples), with CBD around 0%. The terpenes most often reported are Alpha Pinene, Beta Caryophyllene, Beta Myrcene. Recorded parents: Arizona × Black Domina × Black Market × Blackjack × California × Deep Chunk × Jack Herer × Jock Horror × Black Domina And Jack Herer × Black Domina And Jock Horror × European Local × Jack Herer Or Jack Horror × Similar To Original Black Jack. Stated flowering time 63 days. 6 cup placings on record, 2 verified against published results.
● frozen 2026-09-29 · API 0.7.1-stdlib
● evidence bar: thc 3 independent sources
● type: indica dominant hybrid
19.9%
THC, most-agreed claim
3 independent sources
12.3–26.2%
Flower lab range
10th to 90th percentile of 1,063 samples
13
Recorded parents
with sources, never guessed
15
Recorded descendants
through stated parent links
2/6
Cup results, verified/total
placings found in published results
10
Pictures on record
shown with source and credit
CHEMISTRY, CLAIM BY CLAIM
Every THC claim, and who made it.
| THC | Independent sources | Who states it |
|---|---|---|
| 14% | 3 | allbud, master, nv_ccb_lab_library, nv_gnfvbs_2018_2019 |
| 15.6% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 18.2% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 21% | 3 | or_prr00150, nv_ccb_lab_library, nv_gnfvbs_2018_2019 |
| 21.4% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 17.6% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 18% | 3 | or_prr00150, medical_effects, or_olcc_rich_enrich |
| 19.9% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 22.7% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 23.1% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 23.6% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 23.9% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
Lab range 12.3 to 26.2% THC is the 10th to 90th percentile of 1,063 flower lab samples, median 20.4%; CBD 0 to 0.1% over 702 samples.
top terpenes by stated value: Alpha Pinene, Beta Caryophyllene, Beta Myrcene, Alpha Humulene, Limonene, Linalool
1,682 chemistry rows on record. Flagged rows never used as potency: 119 non flower, 294 quality flagged, 1 percent outliers.
GROW CLAIMS
Height and flowering, as stated.
| Height | Independent sources | Who states it |
|---|---|---|
| 80 cm | 2 | seedcity, seedcity_local |
| 80 to 120 cm | 2 | seedcity, seedcity_local |
| 100 cm | 1 | seedfinder |
| 152 to 244 cm | 1 | cropking |
| 300 cm | 1 | cannabis_intelligence |
| Flowering | Independent sources | Who states it |
|---|---|---|
| 63 days | 4 | cannaconnection, seedfinder, cannabis_intelligence, alchimia |
| 56 to 63 days | 3 | seedcity, seedcity_local, cropking |
| 61 days | 2 | seedcity, seedcity_local |
| 49 days | 1 | seedfinder |
| 56 days | 1 | seedfinder |
| 60 days | 1 | seedfinder |
LINEAGE
Recorded parents, and how many sources agree.
| Parent | Sources | Who states it |
|---|---|---|
| Arizona | 1 | strain_fact:allbud |
| Black Domina | 1 | seedfinder |
| Black Market | 1 | strain_fact:allbud |
| Blackjack | 1 | strain_fact:allbud |
| California | 1 | strain_fact:allbud |
| Deep Chunk | 1 | seedfinder |
| Jack Herer | 1 | seedfinder |
| Jock Horror | 1 | strain_fact:allbud |
| Black Domina And Jack Herer | 1 | strain_fact:cropking |
| Black Domina And Jock Horror | 1 | strain_fact:allbud |
| European Local | 1 | strain_fact:allbud |
| Jack Herer Or Jack Horror | 1 | strain_fact:hytiva |
| Similar To Original Black Jack | 1 | strain_fact:allbud |
15 descendants through recorded links, including Big Jack, Black Jack Autoflower, Black Jack Automatic, Black Jack Cbd, Colombian Jack, Black Jack F1 Fast Feminized Seeds, Cream Caramel, Sweet Cheese Auto.
COMPETITIONS AND AWARD CLAIMS
Cup results with sources; claims with verdicts.
| Year | Competition | Category | Place | Checked |
|---|---|---|---|---|
| 2023 | Oregon Growers Cup | Cartridges | 1st | unverified |
| 2023 | Oregon Growers Cup | Cartrides | 1st | unverified |
| 2022 | Oregon Growers Cup | Cartridges | 2nd | verified |
| 2019 | The Emerald Cup | Outdoor - Outdoor - Private | 3rd | verified |
| 2017 | Jack Herer Cup | Best Flower – Sativa | winner | unverified |
| 2016 | Jack Herer Cup | NEVADA / Flower – Sativa | winner | unverified |
Award claims checked 0 confirmed · 1 unchecked. Only confirmed claims count as results.
| Claim | Year | Source | Verdict |
|---|---|---|---|
| Multiple Cup Winner | not stated | herbies | unchecked |
PICTURES, WITH CREDIT
10 pictures on record. Three shown, each with its source.
credit: seedfinder.eu · shown with credit, copyright unverified
credit: seedfinder.eu · shown with credit, copyright unverified
credit: allbud.s3.amazonaws.com · shown with credit, copyright unverified
How to read this page
Every value is a stated claim with its sources. Where sources disagree all claims are listed. The lab range is the 10th to 90th percentile of flower lab samples and is never blended with seed-bank claims. Parents are recorded links, never guessed. Pictures are shown with their source and credit; copyright is unverified. Nothing on this page was invented, averaged across sources or merged from another name.
Aliases on record: black-jack, sweet-seeds/black-jack, the-nuglab/black-jack, black jack autoflowering feminized seeds bulk seeds, black jack autoflowering feminized seeds canuk seeds, black jack feminized seeds bulk seeds, black jack feminized seeds canuk seeds, black jack feminized seeds nirvana seeds, black jack feminized seeds sweet seeds, 018NY6XC00VT2JWVZ76S6DDRAD
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dossier black-jack · frozen 2026-09-29 · published by CannaLib, a Plausible Deniability project · Cite as: CannaLib (2026). Black Jack strain dossier. https://cannalib.org/strains/black-jack/