CANNALIB · STRAIN DOSSIER · CRITICAL MASS

Critical Mass

6 independent sources put THC at 22%; 569 flower lab samples give a 10th to 90th percentile band of 5.3 to 21.9%; 7 recorded parents; 241 recorded descendants. It placed in results from Errl Cup, High Times Cannabis Cup (United States) and Spannabis Champions Cup.

Critical Mass is a indica dominant hybrid cannabis strain bred by Advanced Seeds. Lab tests put its THC between 5.3 and 21.9% (the middle 80% of 569 flower samples), with CBD around 0.1%. The terpenes most often reported are Beta Caryophyllene, Linalool, beta-Myrcene. Recorded parents: Afgana × Afgani × Afghan × Afghani × Skunk × Skunk 1 × Skunk No 1. Stated flowering time 49 to 56 days. 19 cup placings on record, 7 verified against published results.

●   frozen 2026-09-29 · API 0.7.1-stdlib

●   evidence bar: thc 6 independent sources

●   type: indica dominant hybrid

22%
THC, most-agreed claim
6 independent sources

5.3–21.9%
Flower lab range
10th to 90th percentile of 569 samples

7
Recorded parents
with sources, never guessed

241
Recorded descendants
through stated parent links

7/19
Cup results, verified/total
placings found in published results

22
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% 6 bank_azarius_seeds, seedfinder, seedcity_local, replication_data, cannabis_intelligence, bank_advanced-seeds
6.6% 2 or_prr00150, replication_data
7.4% 2 replication_data, wa_wslcb_leaf_new
6.2% 2 or_prr00150, or_olcc_rich_enrich
6.4% 2 or_prr00150, or_olcc_rich_enrich
6.5% 2 or_prr00150, replication_data
7% 2 or_prr00150, replication_data
7.1% 2 or_prr00150, or_olcc_rich_enrich
7.4% 2 or_prr00150, or_olcc_rich_enrich
7.6% 2 or_prr00150, or_olcc_rich_enrich
8% 2 or_prr00150, or_olcc_rich_enrich
8.1% 2 or_prr00150, or_olcc_rich_enrich

Lab range 5.3 to 21.9% THC is the 10th to 90th percentile of 569 flower lab samples, median 15.9%; CBD 0 to 11.4% over 389 samples.

top terpenes by stated value: Beta Caryophyllene, Linalool, beta-Myrcene, Caryophyllene Oxide, alpha-Humulene, Terpinolene

1,136 chemistry rows on record. Flagged rows never used as potency: 198 non flower, 148 quality flagged, 2 percent outliers.

GROW CLAIMS

Height and flowering, as stated.

Height Independent sources Who states it
90 to 100 cm 7 alchimia, bank_azarius_seeds, multiverse, truenorth, cannaconnection, seedfinder, seedcity
80 to 120 cm 2 seedcity, seedcity_local
100 to 120 cm 1 seedfinder
120 to 140 cm 1 seedfinder
152 to 244 cm 1 cropking
Flowering Independent sources Who states it
49 to 56 days 4 seedcity, seedcity_local, alchimia, seedfinder
42 to 56 days 3 cannaconnection, cropking, seedfinder
56 to 63 days 3 seedcity, seedcity_local, alchimia, master
65 to 70 days 2 bank_azarius_seeds, seedfinder
45 to 55 days 2 alchimia, master, seedfinder
63 days 2 multiverse, alchimia
50 days 1 seedfinder
49 days 1 seedfinder
56 days 1 seedfinder
53 days 1 seedfinder
45 days 1 seedfinder
55 to 65 days 1 seedfinder
LINEAGE

Recorded parents, and how many sources agree.

Parent Sources Who states it
Afgana 1 strain_fact:seedfinder
Afgani 1 strain_fact:seedfinder
Afghan 1 strain_fact:alchimia,master,seedfinder
Afghani 1 strain_fact:allbud,cropking
Skunk 1 strain_fact:seedfinder
Skunk 1 1 seedfinder
Skunk No 1 1 strain_fact:seedfinder

241 descendants through recorded links, including Auto Afghan Mass Seeds, Auto Bud Cannon Seeds, Auto Mass Seeds, Cbd Tonic Seeds, Cream Crystal Meth Seeds, Critical Auto Seeds, Critical Daddy Seeds, Critical Haze Seeds.

COMPETITIONS AND AWARD CLAIMS

Cup results with sources; claims with verdicts.

Year Competition Category Place Checked
2022 Errl Cup DERIVATES 1st verified
2020 Errl Cup FLOWER CBD 2nd verified
2019 Errl Cup FLOWER CBD 1st verified
2019 High Times Cannabis Cup (United States) CBD Flower 2nd verified
2019 High Times Cannabis Cup (United States) CBD Flower 3rd verified
2018 High Times Cannabis Cup (United States) Best CBD Flower 1st verified
2018 Dope Cup Best CBD Oil runner-up unverified
2016 Dope Cup Best CBD Flower Medical 2nd unverified
2009 Spannabis Champions Cup Mejor variedad de interior Hydro 1st verified
2008 Highlife Cup Barcelona (Highlife BCN) Copa Highlife BCN 2008 (overall) 1st unverified
2008 Highlife Cup Barcelona (Highlife BCN) Planta del año 2008 (Plant of the year) 1st unverified
2008 Highlife Cup Barcelona (Highlife BCN) Bio Cup 1st unverified
2008 La Revolta Verda (Copa de Girona) Indoor 1st unverified
2008 Highlife Cup Barcelona (Highlife BCN) Bio Cup 2nd unverified
2008 La Revolta Verda (Copa de Girona) Indoor 2nd unverified
2007 Highlife Cup Barcelona (Highlife BCN) Hydro Cup 1st unverified
2007 La Revolta Verda (Copa de Girona) Indoor 2nd unverified
2004 Highlife Cup Barcelona (Highlife BCN) Copa Highlife BCN 2004 (overall) 1st unverified
2004 Highlife Cup Barcelona (Highlife BCN) Bio Cup 1st unverified

Award claims checked 0 confirmed  ·  2 unchecked. Only confirmed claims count as results.

Claim Year Source Verdict
Highlife Cannabis Cup 1st - Indica | 2004 2004 lockboxseeds.com unchecked
Winner of multiple awards in various countries since the early days. not stated seedfinder unchecked
PICTURES, WITH CREDIT

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

Critical Mass strain picture, credit seedfinder.eu

credit: seedfinder.eu · shown with credit, copyright unverified

Critical Mass strain picture, credit seedfinder.eu

credit: seedfinder.eu · shown with credit, copyright unverified

Critical Mass strain picture, credit seedfinder.eu

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: critical-mass, advanced-seeds/critical-mass, aficionado-seed-bank/critical-mass, amsterdam-genetics/critical-mass, bulk-seed-bank/critical-mass, hempire-seeds-co/critical-mass, linda-seeds/critical-mass, mr-nice-seedbank/critical-mass, quebec-cannabis-seeds/critical-mass, the-plant/critical-mass, zoo-seeds/critical-mass, critical mass autoflowering feminized seeds bulk seeds, critical mass autoflowering feminized seeds canuk seeds, critical mass feminized seeds bulk seeds, critical mass feminized seeds canuk seeds, criticalmass, 018NY6XC00VT07R53VEE2VNQHA

Live card in the explorer →  ·  Machine-readable record (API) →  ·  Honesty rules →

Grow with it: DSC. Digital Stealth Care reads a strain's stated flowering time from CannaLib and works out the harvest window of each plant. Get the Alpha →

dossier critical-mass · frozen 2026-09-29 · published by CannaLib, a Plausible Deniability project · Cite as: CannaLib (2026). Critical Mass strain dossier. https://cannalib.org/strains/critical-mass/

Community

Every claim has a receipt. Argue about them here.

Spotted a wrong parent, a missing lab result, or want something from the API? The CannaLib Discord has a corrections forum where every fix comes with a source, and a dev channel for API users.

  • Data corrections with sources, tracked from report to shipped
  • API help, integrations and Home Assistant cards
  • Dataset releases and roadmap votes first
Join the CannaLib Discord (opens Discord in a new tab)

18+ · free · no selling or sourcing, ever