CANNALIB · STRAIN DOSSIER · DEADHEAD OG
Deadhead OG
4 independent sources put THC at 23.2%; 1,841 flower lab samples give a 10th to 90th percentile band of 14.1 to 27.9%; 7 recorded parents; 55 recorded descendants. It placed in results from High Times Cannabis Cup (Amsterdam), Oregon Growers Cup and Chalice California.
Deadhead OG is a sativa dominant hybrid cannabis strain bred by Cali Connection. Lab tests put its THC between 14.1 and 27.9% (the middle 80% of 1,841 flower samples). The terpenes most often reported are β-caryophyllene, β-myrcene, trans nerolidol. Recorded parents: 91 Chemdawg × Chem 91 Skunk Va × Chem Cookies × Chemdawg × Sfv Og × Sfv Og Kush × Tahoe Og Kush. Stated flowering time 63 days. 5 cup placings on record, 1 verified against published results.
● frozen 2026-09-29 · API 0.7.1-stdlib
● evidence bar: thc 4 independent sources
● type: sativa dominant hybrid
23.2%
THC, most-agreed claim
4 independent sources
14.1–27.9%
Flower lab range
10th to 90th percentile of 1,841 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 |
|---|---|---|
| 23.2% | 4 | or_prr00150, nv_ccb_lab_library, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 21.5% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 23.3% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 21% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 21.5% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 22% | 3 | or_prr00150, leafly_flat, cropking, leafly_flat_enrich |
| 18% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 18.9% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 20.5% | 3 | seedfinder, replication_data, nv_gnfvbs_2018_2019 |
| 22.7% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 23.5% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
| 23.6% | 3 | or_prr00150, nv_gnfvbs_2018_2019, or_olcc_rich_enrich |
Lab range 14.1 to 27.9% THC is the 10th to 90th percentile of 1,841 flower lab samples, median 21.2%; CBD 0 to 0.2% over 1,206 samples.
top terpenes by stated value: β-caryophyllene, β-myrcene, trans nerolidol, limonene, α-humulene, linalool
2,267 chemistry rows on record. Flagged rows never used as potency: 102 non flower, 398 quality flagged, 0 percent outliers.
GROW CLAIMS
Height and flowering, as stated.
| Height | Independent sources | Who states it |
|---|---|---|
| 152 to 244 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 |
| Chemdawg | 1 | strain_fact:allbud |
| Sfv Og | 1 | strain_fact:allbud |
| Sfv Og Kush | 1 | seedfinder |
| Tahoe Og Kush | 1 | strain_fact:alchimia,master |
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.
COMPETITIONS AND AWARD CLAIMS
Cup results with sources; claims with verdicts.
| Year | Competition | Category | Place | Checked |
|---|---|---|---|---|
| 2016 | Oregon Growers Cup | Concentrates | 3rd | unverified |
| 2016 | DC Grower’s Cup | INDICA Flower | listed (no place printed) under 'THREE WAY TIE:' | unverified |
| 2015 | Chalice California | Indica Non-Solvent | 3rd | unverified |
| 2012 | The Emerald Cup | Top twenty flowers | 19th | unverified |
| 2011 | High Times Cannabis Cup (Amsterdam) | Hybrid Cup | 2nd | verified |
Award claims checked 0 confirmed · 4 unchecked. Only confirmed claims count as results.
| Claim | Year | Source | Verdict |
|---|---|---|---|
| Cannabis Cup | not stated | alchimia | event_ambiguous |
| Cannabis Cup | not stated | master | event_ambiguous |
| Best Indica | 24th Annual Cannabis Cup | 2018 | 2018 | archive.org | unchecked |
| the only other winner (besides the Kosher Kush) to test at higher than 20% THC | 2012 | 2012 | archive.org | unchecked |
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 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: deadhead-og, the-cali-connection/deadhead-og, cali connection deadhead og strain fem photo 6 pack, deadheadog, 018NY6XC00VTH185NEFRKKGFN0
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dossier deadhead-og · frozen 2026-09-29 · published by CannaLib, a Plausible Deniability project · Cite as: CannaLib (2026). Deadhead OG strain dossier. https://cannalib.org/strains/deadhead-og/