CANNALIB · STRAIN DOSSIER · JACK THE RIPPER
Jack the Ripper
2 independent sources put THC at 12.72%; 448 flower lab samples give a 10th to 90th percentile band of 10.79 to 22.871%; 3 recorded parents; 102 recorded descendants. It placed in results from Karma Cup and Spannabis Champions Cup.
● frozen 2026-09-14 · API 0.7.0-stdlib
● evidence bar: flower lab range 3 samples
● type: sativa dominant hybrid
12.72%
THC, most-agreed claim
2 independent sources
10.79–22.871%
Flower lab range
10th to 90th percentile of 448 samples
3
Recorded parents
with sources, never guessed
102
Recorded descendants
through stated parent links
3/3
Cup results, verified/total
placings found in published results
8
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 |
|---|---|---|
| 12.72% | 2 | or_prr00150, maxvalue_terpenes_csv |
| 17.6% | 2 | or_prr00150, replication_data |
| 22.1706% | 2 | replication_data, smith_phytochem_sample |
| 17% | 2 | leafly_flat, leafly_flat_enrich, medical_effects |
| 0.11% | 1 | cannlytics_expand |
| 2.157% | 1 | cannlytics_expand |
| 2.254% | 1 | cannlytics_expand |
| 2.447% | 1 | cannlytics_expand |
| 2.517% | 1 | cannlytics_expand |
| 4.008% | 1 | replication_data |
2 more THC claims are on the live card.
Lab range 10.79 to 22.871% THC is the 10th to 90th percentile of 448 flower lab samples (median 17.181). CBD 0 to 0.288% over 264 samples. It is a band, not an average, and it is shown only because there are three or more samples.
top terpenes by stated value: Linalool, alpha-Humulene, Caryophyllene Oxide, beta-Caryophyllene, beta-Myrcene, alpha-Pinene, delta-Limonene, Terpinolene
782 chemistry rows on record. Flagged rows never used as potency: 77 non flower, 122 quality flagged.
GROW CLAIMS
Height and flowering, as stated.
| Height | Independent sources | Who states it |
|---|---|---|
| 80 to 120 cm | 2 | seedcity, seedcity_local |
| Flowering | Independent sources | Who states it |
|---|---|---|
| 56 to 63 days | 3 | cannaconnection, seedcity, seedcity_local |
| 55 to 60 days | 1 | alchimia, master |
| 56 days | 1 | alchimia, master |
| 63 days | 1 | seedfinder |
| 70 to 98 days | 1 | alchimia, master |
LINEAGE
Recorded parents, and how many sources agree.
| Parent | Sources | Who states it |
|---|---|---|
| JACK'S CLEANER | 1 | strain_fact:alchimia,master |
| Jacks Cleaner | 1 | strain_fact:alchimia,master,seedfinder |
| Space Queen | 1 | strain_fact:alchimia,master,seedfinder |
102 descendants through recorded links, including Ace of Spades, Adam (JTR), Agent Lemon, Agent Orange, Banana Jack OG, Black Widow Ripper, Blueberry Butcher, Butt-Head. 10 sub-varieties and 0 phenotypes or cuts are linked to this cultivar.
COMPETITIONS AND AWARD CLAIMS
Cup results with sources; claims with verdicts.
| Year | Competition | Category | Place | Checked |
|---|---|---|---|---|
| 2020 | Errl Cup | FLOWER SATIVA | 3 | verified |
| 2017 | Spannabis Champions Cup | Sativas | 2 | verified |
| 2017 | Karma Cup | BUD – (Sativa) | 5 | verified |
Award claims checked
1 event ambiguous · 1 not in results · 3 unchecked. Only confirmed claims count as wins on the live card; every other verdict is shown in words beside the claim.
PICTURES, WITH CREDIT
8 pictures on record. Three shown, each with its source.
credit: cannaconnection.com · shown with credit copyright unverified
credit: allbud.s3.amazonaws.com · shown with credit copyright unverified
credit: images.hytiva.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 shown only from 3 samples. Nothing is averaged across sources.
Aliases on record: 018NY6XC00VTZJHRHREFBA6A4A, 2-guns-and-a-guy-seed-company/jack-the-ripper, Jack The Ripper, JackTheRipper, subcools-the-dank/jack-the-ripper. First listed by Hbk Genetics. Observations on record: 10. Science links: 578.
dossier jack-the-ripper · frozen 2026-09-14 · citation score 68.4 · published by CannaLib, a Plausible Deniability project