CANNALIB · STRAIN DOSSIER · OG 18

OG 18

2 independent sources put THC at 22%; 173 flower lab samples give a 10th to 90th percentile band of 18.287 to 28.532%; 1 recorded parent; 37 recorded descendants. It placed 710 Degree Cup.

  frozen 2026-09-14 · API 0.7.0-stdlib

  evidence bar: flower lab range 3 samples

  type: hybrid

22%
THC, most-agreed claim
2 independent sources

18.287–28.532%
Flower lab range
10th to 90th percentile of 173 samples

1
Recorded parents
with sources, never guessed

37
Recorded descendants
through stated parent links

5/12
Cup results, verified/total
placings found in published results

4
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% 2 leafly_flat, cropking, leafly_flat_enrich
10.6334% 1 smith_phytochem_sample
10.6334 to 31.5597% 1 phytochem_smith, phytochem_lab
12.3884% 1 smith_phytochem_sample
13.742% 1 maxvalue_terpenes_csv
14.9582% 1 cannlytics_lab
15.2801% 1 smith_phytochem_sample
16.34% 1 or_prr00150
16.4917% 1 replication_data
16.6876% 1 replication_data

2 more THC claims are on the live card.

Lab range 18.287 to 28.532% THC is the 10th to 90th percentile of 173 flower lab samples (median 23.056). CBD 0 to 0.284% over 89 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, d limonene, beta caryophyllene, beta myrcene, trans nerolidol, beta pinene, alpha humulene, Terpinolene

320 chemistry rows on record. Flagged rows never used as potency: 20 non flower, 102 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 2 cropking, hytiva
126 days 1 master, hytiva
LINEAGE

Recorded parents, and how many sources agree.

Parent Sources Who states it
OG Kush 1 summary:lineage

37 descendants through recorded links, including Berserk OG #18 bx, Candy Kush Pop, Dayton Hammer, Fire 18, Gas Candy, Holy Grail OG, Lemon 18 Feminized Seeds (Crockett Family Farms), HG23 aka Michael Jordan. 0 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
2023 Highlife Cup (Netherlands) Old Skool 1 verified
2023 Errl Cup HAND CRAFTED - MOON ROCKS 1 unverified
2022 Errl Cup NON-SOLVENT 1 verified
2019 Copa Medellín Indica 2 unverified
2017 Errl Cup Flower Indica 2 verified
2017 710 Degree Cup Best Arizona Patient/Caregiver Flower – Indica 3 unverified
2016 710 Degree Cup Best Flower Indica 1 unverified
2016 710 Degree Cup Flower Indica 3 unverified
2015 THC Championship (The Hemp Connoisseur) Adult-Use Hybrid 2 unverified
2013 Copa Canarias / Canarian Cannabis Cup Copa Local – Mejor Exterior 3 unverified
2011 Spannabis Champions Cup Mejor variedad de interior Hydro 1 verified
2009 High Times Cannabis Cup (Amsterdam) Indica Cup 2 verified

Award claims checked

6 confirmed  ·  6 event ambiguous  ·  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

4 pictures on record. Three shown, each with its source.

OG 18: strain page photo, credit allbud.s3.amazonaws.com, copyright status shown with credit copyright unverified

credit: allbud.s3.amazonaws.com · shown with credit copyright unverified

OG 18: competition winner, credit cannabisindustrie.nl, copyright status shown with credit copyright unverified

credit: cannabisindustrie.nl · shown with credit copyright unverified

OG 18: strain page photo, credit images.hytiva.com, copyright status 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: 018NY6XC00VT40EN13NMENVV1R, O.G. 18, OG #18. First listed by Cannamuscle. Observations on record: 5. Science links: 242.

dossier og-18 · frozen 2026-09-14 · citation score 43.7 · published by CannaLib, a Plausible Deniability project