CANNALIB · STRAIN DOSSIER · MK ULTRA
MK Ultra
2 independent sources put THC at 21.5%; 490 flower lab samples give a 10th to 90th percentile band of 16.3 to 28.2%; 4 recorded parents; 48 recorded descendants. It placed in results from High Times Cannabis Cup (Amsterdam), High Times Cannabis Cup (United States) and Karma Cup.
MK Ultra is a indica dominant hybrid cannabis strain bred by Top Dawg Seeds. Lab tests put its THC between 16.3 and 28.2% (the middle 80% of 490 flower samples), with CBD around 0.1%. The terpenes most often reported are alpha-Humulene, Caryophyllene Oxide, beta-Caryophyllene. Recorded parents: G 13 × G13 × O G Kush × Og Kush. Stated flowering time 56 to 63 days. 6 cup placings on record, 3 verified against published results.
● frozen 2026-09-29 · API 0.7.1-stdlib
● evidence bar: thc 2 independent sources
● type: indica dominant hybrid
21.5%
THC, most-agreed claim
2 independent sources
16.3–28.2%
Flower lab range
10th to 90th percentile of 490 samples
4
Recorded parents
with sources, never guessed
48
Recorded descendants
through stated parent links
3/6
Cup results, verified/total
placings found in published results
12
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 |
|---|---|---|
| 18% | 2 | allbud, replication_data, master |
| 17.5% | 2 | or_prr00150, or_olcc_rich_enrich |
| 17.6% | 2 | or_prr00150, or_olcc_rich_enrich |
| 18.4% | 2 | or_prr00150, or_olcc_rich_enrich |
| 19.6% | 2 | or_prr00150, or_olcc_rich_enrich |
| 21% | 2 | or_prr00150, or_olcc_rich_enrich |
| 21.5% | 2 | replication_data, smith_phytochem_sample |
| 22.2% | 2 | or_prr00150, or_olcc_rich_enrich |
| 22.3% | 2 | or_prr00150, or_olcc_rich_enrich |
| 22.3% | 2 | or_prr00150, or_olcc_rich_enrich |
| 23.6% | 2 | or_prr00150, or_olcc_rich_enrich |
| 23.7% | 2 | or_prr00150, or_olcc_rich_enrich |
Lab range 16.3 to 28.2% THC is the 10th to 90th percentile of 490 flower lab samples, median 21.3%; CBD 0 to 0.3% over 289 samples.
top terpenes by stated value: alpha-Humulene, Caryophyllene Oxide, beta-Caryophyllene, Linalool, beta-Myrcene, alpha-Pinene
750 chemistry rows on record. Flagged rows never used as potency: 61 non flower, 96 quality flagged, 0 percent outliers.
GROW CLAIMS
Height and flowering, as stated.
| Height | Independent sources | Who states it |
|---|---|---|
| 100 to 120 cm | 3 | alchimia, truenorth, cannaconnection |
| 100 cm | 1 | seedfinder |
| 152 to 244 cm | 1 | cropking |
| Flowering | Independent sources | Who states it |
|---|---|---|
| 56 to 63 days | 4 | cannaconnection, cropking, alchimia, seedfinder |
| 58 days | 1 | seedfinder |
| 63 days | 1 | alchimia |
LINEAGE
Recorded parents, and how many sources agree.
| Parent | Sources | Who states it |
|---|---|---|
| G 13 | 1 | strain_fact:allbud,cannaconnection,seedfinder |
| G13 | 1 | strain_fact:alchimia,bank_blim-burn-seeds,hytiva,master+1 |
| O G Kush | 1 | strain_fact:seedfinder |
| Og Kush | 1 | strain_fact:alchimia,allbud,bank_blim-burn-seeds,hytiva+2 |
48 descendants through recorded links, including Auto Mk Ultra Seeds, Mkage Seeds, Ultra Sour Kush Feminized Seeds, Ak 47 Ultra, Bat Country, Big Tuna, Cbd Ultra, Cold Creek Kush.
COMPETITIONS AND AWARD CLAIMS
Cup results with sources; claims with verdicts.
| Year | Competition | Category | Place | Checked |
|---|---|---|---|---|
| 2017 | Karma Cup | Shatter Indica | 2nd | unverified |
| 2017 | Karma Cup | Budder / Live | 8th | unverified |
| 2015 | Karma Cup | Indica | 13th | unverified |
| 2014 | High Times Cannabis Cup (United States) | BEST US INDICA | 3rd | verified |
| 2004 | High Times Cannabis Cup (Amsterdam) | Indica Cup | 2nd | verified |
| 2003 | High Times Cannabis Cup (Amsterdam) | Indica Cup | 1st | verified |
Award claims checked 10 confirmed · 4 unchecked. Only confirmed claims count as results.
| Claim | Year | Source | Verdict |
|---|---|---|---|
| 2003 Cannabis Cup and 2nd place in 2004 and many more victories since. TYPE: Mostly In | 2003 | seedfinder | confirmed |
| first place Indica Strain at the High Times Cannabis Cup in 2003 | 2003 | hytiva | confirmed |
| 1st place winner at the 2003 Cannabis Cup and 2nd place in 2004 and many more victories since. | 2003 | seedfinder | confirmed |
| High Times | not stated · matched 2003, 2004, 2014 | hytiva | confirmed |
| Cannabis Cup | not stated · matched 2003, 2004, 2014 | hytiva | confirmed |
| High Times | not stated · matched 2003, 2004, 2014 | alchimia | confirmed |
| Cannabis Cup | not stated · matched 2003, 2004, 2014 | alchimia | confirmed |
| multiple cannabis cups | not stated · matched 2003, 2004, 2014 | cannaconnection | confirmed |
| Cannabis Cup | not stated · matched 2003, 2004, 2014 | ilgm | confirmed |
| Cannabis Cup-winning | not stated · matched 2003, 2004, 2014 | ilgm | confirmed |
| second place in 2004 | 2004 | hytiva | unchecked |
| 2003 and second place in 2004 | 2003 | hytiva | unchecked |
| CUP WINNER | not stated | archive.org | unchecked |
| 1WICA CUP WINNER | not stated | archive.org | unchecked |
PICTURES, WITH CREDIT
12 pictures on record. Three shown, each with its source.
credit: cannaconnection.com · shown with credit, copyright unverified
credit: images.hytiva.com · shown with credit, copyright unverified
credit: seedfinder.eu · 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: MK Ultra, mk ultra feminized seeds bulk seeds, mk ultra feminized seeds canuk seeds, th-seeds/mk-ultra, mkultra, 018NY6XC00VT6YE2JJBRKAY7SP, M.K. Ultra
Live card in the explorer → · Machine-readable record (API) → · Honesty rules →
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dossier mk-ultra · frozen 2026-09-29 · published by CannaLib, a Plausible Deniability project · Cite as: CannaLib (2026). MK Ultra strain dossier. https://cannalib.org/strains/mk-ultra/