CANNALIB · STRAIN DOSSIER · HEADBANGER
Headbanger
2 independent sources put THC at 21%; 102 flower lab samples give a 10th to 90th percentile band of 18.573 to 28.747%; 6 recorded parents; 61 recorded descendants. It placed in results from Copa del Norte, Highlife Cup (Netherlands) and Masters of Rosin, and 1 more.
● frozen 2026-09-14 · API 0.7.0-stdlib
● evidence bar: flower lab range 3 samples
● type: sativa dominant hybrid
21%
THC, most-agreed claim
2 independent sources
18.573–28.747%
Flower lab range
10th to 90th percentile of 102 samples
6
Recorded parents
with sources, never guessed
61
Recorded descendants
through stated parent links
7/13
Cup results, verified/total
placings found in published results
5
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 |
|---|---|---|
| 21% | 2 | cannlytics_expand, medical_effects |
| 22% | 2 | leafly_flat, cropking, leafly_flat_enrich |
| 25% | 2 | seedfinder, allbud, master |
| 16.49% | 1 | or_prr00150 |
| 17.051% | 1 | smith_phytochem_sample |
| 17.051 to 33.8832% | 1 | phytochem_smith, phytochem_lab |
| 18.0568% | 1 | replication_data |
| 18.1057% | 1 | smith_phytochem_sample |
| 18.1427% | 1 | smith_phytochem_sample |
| 18.3609% | 1 | cannlytics_expand |
2 more THC claims are on the live card.
Lab range 18.573 to 28.747% THC is the 10th to 90th percentile of 102 flower lab samples (median 23.401). CBD 0.032 to 0.096% over 28 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: Terpinolene, beta-Ocimene, delta-Limonene, beta-Pinene, beta-Myrcene, beta-Caryophyllene, alpha-Bisabolol, Linalool
183 chemistry rows on record. Flagged rows never used as potency: 2 non flower, 66 quality flagged.
GROW CLAIMS
Height and flowering, as stated.
| Height | Independent sources | Who states it |
|---|---|---|
| 80 to 120 cm | 2 | seedcity, seedcity_local |
| 152.4 to 243.84 cm | 1 | cropking |
| Flowering | Independent sources | Who states it |
|---|---|---|
| 70 to 84 days | 5 | cannaconnection, seedfinder, seedcity, seedcity_local, cropking |
| 63 to 77 days | 2 | seedcity, seedcity_local |
| 70 days | 1 | seedfinder |
| 84 days | 1 | cannaconnection, master |
LINEAGE
Recorded parents, and how many sources agree.
| Parent | Sources | Who states it |
|---|---|---|
| Biker Kush | 1 | seedfinder |
| Biker Kush V2.0 | 1 | strain_fact:cannaconnection,master |
| Sour Diesel | 1 | seedfinder |
| Biker Kush V1 low confidence | 1 | strain_fact:seedfinder |
| Biker Rush low confidence | 1 | strain_fact:allbud |
| Sour D low confidence | 1 | strain_fact:seedfinder |
61 descendants through recorded links, including 505 Headbanger, 818 Banger, 95 Banger, A Streetcar Named Desire, Banger Glue, Birthday Banger, Brutus, Bubba Banger. 7 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 |
|---|---|---|---|---|
| 2026 | Highlife Cup (Netherlands) | Coffeeshop / Import N-A | 3 | unverified |
| 2026 | Highlife Cup (Netherlands) | Coffeeshop / Oldskool Wiet | 6 | unverified |
| 2023 | High 95 Cup | Indoor | 29th Place | unverified |
| 2020 | Errl Cup | FLOWER SATIVA | 1 | verified |
| 2020 | Errl Cup | CONCENTRATE SATIVA | 2 | verified |
| 2019 | Copa del Norte | Rosin | 1 | unverified |
| 2018 | Masters of Rosin | Flower Rosin | 3 | verified |
| 2018 | Oregon Growers Cup | Concentrates | 3 | verified |
| 2018 | Connoisseur Cup | Best Pen’s | 1 | unverified |
| 2017 | Karma Cup | Shatter Hybrid | 10 | unverified |
| 2016 | IC420 Growers Cup (ICMag 420 Cup) | Sativa - Sativa - Growers Cup | 1 | verified |
| 2015 | IC420 Growers Cup (ICMag 420 Cup) | Sativa - Sativa - Growers Cup | 2 | verified |
| 2013 | High Times Cannabis Cup (Amsterdam) | Seed Company Sativa | 3 | verified |
Award claims checked
16 confirmed · 1 year mismatch · 6 event ambiguous · 2 not in results · 14 unchecked. Only confirmed claims count as wins on the live card; every other verdict is shown in words beside the claim.
PICTURES, WITH CREDIT
5 pictures on record. Three shown, each with its source.
credit: images.hytiva.com · shown with credit copyright unverified
credit: seedfinder.eu · shown with credit copyright unverified
credit: cropkingseeds.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: 018NY6XC00VTF3VN43K11WD6PC, Head Banger, cannapot/headbanger, headbanger, karma-genetics/headbanger. First listed by Seed Junky Genetics. Observations on record: 11. Science links: 173.
dossier headbanger · frozen 2026-09-14 · citation score 71.2 · published by CannaLib, a Plausible Deniability project