CANNALIB · STRAIN DOSSIER · DEADHEAD OG
Deadhead OG
3 independent sources put THC at 22%; 865 flower lab samples give a 10th to 90th percentile band of 15.217 to 26.27%; 7 recorded parents; 55 recorded descendants. It placed in results from Chalice California and Oregon Growers Cup.
● frozen 2026-09-14 · API 0.7.0-stdlib
● evidence bar: thc 3 independent sources
● type: sativa dominant hybrid
22%
THC, most-agreed claim
3 independent sources
15.217–26.27%
Flower lab range
10th to 90th percentile of 865 samples
7
Recorded parents
with sources, never guessed
55
Recorded descendants
through stated parent links
1/5
Cup results, verified/total
placings found in published results
13
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 |
|---|---|---|
| 22% | 3 | or_prr00150, leafly_flat, cropking, leafly_flat_enrich |
| 17.076% | 2 | cannlytics_expand, replication_data |
| 18.9% | 2 | or_prr00150, replication_data |
| 19.6% | 2 | or_prr00150, replication_data |
| 20.5% | 2 | seedfinder, replication_data |
| 21.75% | 2 | or_prr00150, replication_data |
| 25% | 2 | allbud, hytiva, master |
| 6.63114% | 1 | smith_phytochem_sample |
| 6.63114 to 29.5944% | 1 | phytochem_smith, phytochem_lab |
| 6.93847% | 1 | smith_phytochem_sample |
2 more THC claims are on the live card.
Lab range 15.217 to 26.27% THC is the 10th to 90th percentile of 865 flower lab samples (median 20.9). CBD 0 to 0.42% over 233 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: beta caryophyllene, beta myrcene, trans nerolidol, d limonene, alpha humulene, linalool, beta pinene, Terpinolene
1,045 chemistry rows on record. Flagged rows never used as potency: 22 non flower, 398 quality flagged.
GROW CLAIMS
Height and flowering, as stated.
| Height | Independent sources | Who states it |
|---|---|---|
| 152.4 to 243.84 cm | 1 | cropking |
| Flowering | Independent sources | Who states it |
|---|---|---|
| 63 days | 3 | cannaconnection, cropking, alchimia |
| 56 days | 1 | seedfinder |
| 65 to 73 days | 1 | multiverse |
| 65 days | 1 | cannaconnection |
LINEAGE
Recorded parents, and how many sources agree.
| Parent | Sources | Who states it |
|---|---|---|
| 91 Chemdawg | 1 | summary:lineage |
| Chem 91 Skunk VA | 1 | seedfinder |
| Chem Cookies | 1 | strain_fact:alchimia,master |
| SFV OG Kush | 1 | seedfinder |
| TAHOE OG KUSH | 1 | strain_fact:alchimia,master |
| Chemdawg low confidence | 1 | strain_fact:allbud |
| SFV OG low confidence | 1 | strain_fact:allbud |
55 descendants through recorded links, including Nightcrawler OG Seeds, Amnesia OG, Captain Curts Rainbow Taffy, Chemhead OG, ChemheaDD OG, Cherry Creek OG, Darkwood, Dead Dawg Queen. 3 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 |
|---|---|---|---|---|
| 2016 | Oregon Growers Cup | Concentrates | 3 | unverified |
| 2016 | DC Grower’s Cup | INDICA Flower | listed (no place printed) under 'THREE WAY TIE:' | unverified |
| 2015 | Chalice California | Indica Non-Solvent | 3 | unverified |
| 2012 | The Emerald Cup | Top twenty flowers | 19 | unverified |
| 2011 | High Times Cannabis Cup (Amsterdam) | Hybrid Cup | 2 | verified |
Award claims checked
2 event ambiguous · 5 unchecked. Only confirmed claims count as wins on the live card; every other verdict is shown in words beside the claim.
PICTURES, WITH CREDIT
13 pictures on record. Three shown, each with its source.

credit: seedfinder.eu · shown with credit copyright unverified

credit: allbud.s3.amazonaws.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 shown only from 3 samples. Nothing is averaged across sources.
Aliases on record: 018NY6XC00VTH185NEFRKKGFN0, cali connection deadhead og strain fem photo 6 pack, deadhead-og, deadheadog, the-cali-connection/deadhead-og. First listed by Cali Connection. Observations on record: 12. Science links: 904.
dossier deadhead-og · frozen 2026-09-14 · citation score 61.5 · published by CannaLib, a Plausible Deniability project
