CANNALIB · STRAIN DOSSIER · WHITE WIDOW
White Widow
7 independent sources put THC at 18%; 1,842 flower lab samples give a 10th to 90th percentile band of 11.053 to 24.563%; 7 recorded parents; 805 recorded descendants. It placed in results from CannaSwissCup (Canna Swiss Cup), Chiang Mai Cannabis Cup (Chiang High Experience / Terps of Life) and East Coast Canna Cup / Green Cup & Expo (Quick Buy n Grow), and 6 more.
● frozen 2026-09-14 · API 0.7.0-stdlib
● evidence bar: thc 3 independent sources
● type: hybrid
18%
THC, most-agreed claim
7 independent sources
11.053–24.563%
Flower lab range
10th to 90th percentile of 1,842 samples
7
Recorded parents
with sources, never guessed
805
Recorded descendants
through stated parent links
15/25
Cup results, verified/total
placings found in published results
181
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 |
|---|---|---|
| 18% | 7 | seedcity_local, replication_data, cannabis_intelligence, allbud, bank_blim-burn-seeds, seedfinder, weedtree_lineage |
| 19% | 5 | rqs, or_prr00150, seedcity_local, cannabis_intelligence, seedfinder |
| 18.9% | 4 | or_prr00150, seedcity_local, replication_data, alchimia |
| 23% | 4 | cannareviews, cannlytics_expand, or_prr00150, cannabis_intelligence |
| 25% | 4 | or_prr00150, weedseedsexpress, cannabis_intelligence, seedfinder |
| 20.4% | 3 | cannlytics_expand, or_prr00150, replication_data |
| 22% | 3 | seedcity_local, replication_data, cannaconnection |
| 15% | 3 | greenhouse, leafly_flat, leafly_flat_enrich, seedfinder |
| 20% | 3 | cannareviews, cannabis_intelligence, seedfinder |
| 9.7% | 2 | cannlytics_expand, agro_epmc_typed_trials |
2 more THC claims are on the live card.
Lab range 11.053 to 24.563% THC is the 10th to 90th percentile of 1,842 flower lab samples (median 18.344). CBD 0 to 0.693% over 1,277 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: d limonene, beta caryophyllene, beta myrcene, linalool, alpha humulene, alpha pinene, isopulegol, Caryophyllene Oxide
2,738 chemistry rows on record. Flagged rows never used as potency: 444 non flower, 357 quality flagged.
GROW CLAIMS
Height and flowering, as stated.
| Height | Independent sources | Who states it |
|---|---|---|
| 70 to 80 cm | 6 | alchimia, bank_azarius_seeds, fastbuds, greenhouse, truenorth, cannaconnection |
| 80 to 120 cm | 5 | seedcity, seedcity_local, cannabis_intelligence, cropking, bank_auto-seeds |
| 60 to 100 cm | 3 | rqs, seedcity, seedcity_local |
| 89 cm | 2 | seedcity, seedcity_local |
| 100 to 150 cm | 2 | seedcity, seedcity_local |
| 102 cm | 2 | seedcity, seedcity_local |
| 131 cm | 2 | seedcity, seedcity_local |
| 163 cm | 2 | seedcity, seedcity_local |
| 173 cm | 2 | seedcity, seedcity_local |
| 179 cm | 2 | seedcity, seedcity_local |
2 more Height claims are on the live card.
| Flowering | Independent sources | Who states it |
|---|---|---|
| 63 days | 6 | bank_azarius_seeds, fastbuds, cannabis_intelligence, seedfinder, forum_mjpassion, alchimia |
| 56 to 63 days | 5 | seedcity, seedcity_local, bank_paradise-seeds, master, alchimia, greenhouse |
| 56 days | 4 | cannaconnection, seedcity, seedcity_local, seedfinder |
| 56 to 70 days | 3 | seedcity, seedcity_local, cropking |
| 49 to 63 days | 2 | seedcity, seedcity_local |
| 65 days | 2 | seedcity, seedcity_local |
| 67 days | 2 | seedcity, seedcity_local |
| 71 days | 2 | seedcity, seedcity_local |
| 73 days | 2 | seedcity, seedcity_local |
| 49 days | 1 | greenhouse |
2 more Flowering claims are on the live card.
LINEAGE
Recorded parents, and how many sources agree.
| Parent | Sources | Who states it |
|---|---|---|
| Critical Mass | 1 | seedfinder |
| South American | 1 | leafly_parent_slugs:leafly_flat_enrich |
| South Indian Indica | 1 | leafly_parent_slugs:leafly_flat_enrich |
| Brazil | 1 | strain_fact:alchimia |
| Brazilian Landrace Sativa | 1 | strain_fact:bank_blim-burn-seeds |
| Brazilian low confidence | 1 | strain_fact:bank_azarius_seeds |
| South Indian low confidence | 1 | strain_fact:bank_azarius_seeds |
805 descendants through recorded links, including Moby Dick Auto, Alaskan Ice, Kalashnikova, Moby Dick, Super Critical, White Widow Auto CBD, AK Widow 47 Seeds, Alaskan Ice Seeds. 16 sub-varieties and 2 phenotypes or cuts are linked to this cultivar.
COMPETITIONS AND AWARD CLAIMS
Cup results with sources; claims with verdicts.
| Year | Competition | Category | Place | Checked |
|---|---|---|---|---|
| 2025 | High Times Cannabis Cup (United States) | Best Sativa Flower | 1 | verified |
| 2024 | East Coast Canna Cup / Green Cup & Expo (Quick Buy n Grow) | Indoor | 1 | verified |
| 2024 | Chiang Mai Cannabis Cup (Chiang High Experience / Terps of Life) | Best Hash | 1 | unverified |
| 2024 | Best in Grass | Hybrid Flower | 1 | unverified |
| 2023 | High Times Cannabis Cup (United States) | Sativa Flower | 2 | verified |
| 2023 | Highlife Cup (Netherlands) | Old Skool | 3 | verified |
| 2022 | Errl Cup | VAPE PEN HYBRID | 2 | verified |
| 2018 | Oregon Growers Cup | Pre-Roll | 2 | verified |
| 2018 | THC Classic (Rooster Magazine) | Flash Frozen | 1 | unverified |
| 2017 | Highlife Cup (Netherlands) | Indica | 1 | verified |
| 2017 | Lift & Co. Canadian Cannabis Awards | Licensed Producers / Top Hybrid Flower | verified | |
| 2015 | Highlife Cup (Netherlands) | Hydro | 1 | verified |
| 2014 | Highlife Cup (Netherlands) | Hydro | 3 | verified |
| 2012 | Highlife Cup (Netherlands) | Hydro | 3 | verified |
| 2009 | Kent Guerrilla Cannabis Cup | Weed | 1 | unverified |
Award claims checked
9 confirmed · 4 year mismatch · 44 unchecked. Only confirmed claims count as wins on the live card; every other verdict is shown in words beside the claim.
PICTURES, WITH CREDIT
181 pictures on record. Three shown, each with its source.

credit: seedfinder.eu · shown with credit copyright unverified

credit: seedsmanlive.gumlet.io · 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: 018NY6XC00VTRHTFT2B0G1CPR3, 96 white widow.html, W.W, WW, White Widow, WhiteWidow, canuk seeds white widow strain fem photo, dutch passion white widow fem photo, white widow feminized seeds barney s farm, white widow feminized seeds bulk seeds, white widow feminized seeds canuk seeds, white widow feminized seeds green house seed co …. First listed by Paradise Seeds Amsterdam. Observations on record: 110. Science links: 2141.
dossier white-widow · frozen 2026-09-14 · citation score 222.5 · published by CannaLib, a Plausible Deniability project
