CANNALIB · STRAIN DOSSIER · SILVER HAZE
Silver Haze
4 independent sources put THC at 18%; 84 flower lab samples give a 10th to 90th percentile band of 11.229 to 25.514%; 6 recorded parents; 61 recorded descendants. It placed in results from High Times Cannabis Cup (Amsterdam) and Highlife Cup (Netherlands).
● frozen 2026-09-14 · API 0.7.0-stdlib
● evidence bar: thc 3 independent sources
● type: hybrid
18%
THC, most-agreed claim
4 independent sources
11.229–25.514%
Flower lab range
10th to 90th percentile of 84 samples
6
Recorded parents
with sources, never guessed
61
Recorded descendants
through stated parent links
9/21
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 |
|---|---|---|
| 18% | 4 | cannlytics_expand, cannabis_intelligence, seedcity_local, seedfinder |
| 20% | 3 | cannlytics_expand, allbud, seedfinder |
| 22% | 2 | cannlytics_expand, medical_effects |
| 23% | 2 | cannlytics_expand, leafly_flat, leafly_flat_enrich |
| 0.0641% | 1 | agro_epmc_typed_trials, master |
| 0.55% | 1 | cannlytics_expand |
| 0.60743% | 1 | smith_phytochem_sample |
| 0.60743 to 27.571% | 1 | phytochem_smith, phytochem_lab |
| 0.60759% | 1 | smith_phytochem_sample |
| 0.645681% | 1 | smith_phytochem_sample |
2 more THC claims are on the live card.
Lab range 11.229 to 25.514% THC is the 10th to 90th percentile of 84 flower lab samples (median 20.174). CBD 0 to 12.406% over 48 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 myrcene, alpha pinene, beta caryophyllene, trans nerolidol, alpha humulene, beta ocimene, d limonene, linalool
146 chemistry rows on record. Flagged rows never used as potency: 24 non flower, 11 quality flagged, 1 pct outliers.
GROW CLAIMS
Height and flowering, as stated.
| Height | Independent sources | Who states it |
|---|---|---|
| 80 to 120 cm | 2 | seedcity, seedcity_local |
| 92 cm | 2 | seedcity, seedcity_local |
| 70 to 80 cm | 1 | seedfinder |
| 85 cm | 1 | seedfinder |
| Flowering | Independent sources | Who states it |
|---|---|---|
| 65 to 75 days | 3 | cannaconnection, alchimia, seedfinder |
| 56 to 63 days | 2 | seedcity, seedcity_local |
| 63 to 70 days | 2 | hytiva, seedfinder |
| 70 to 98 days | 2 | alchimia, truenorth, master |
| 72 days | 2 | seedcity, seedcity_local |
| 60 days | 1 | seedfinder |
| 63 days | 1 | seedfinder |
| 63 to 77 days | 1 | seedfinder |
| 70 days | 1 | seedfinder |
| 77 days | 1 | seedfinder |
1 more Flowering claims are on the live card.
LINEAGE
Recorded parents, and how many sources agree.
| Parent | Sources | Who states it |
|---|---|---|
| Afghan | 1 | strain_fact:alchimia,master |
| Haze | 1 | strain_fact:alchimia,hytiva,master,seedfinder |
| Northern Lights | 1 | strain_fact:hytiva,seedfinder |
| Silver Pearl x Haze | 1 | seedfinder |
| Silver Pearl | 1 | strain_fact:seedfinder |
| Skunk low confidence | 1 | strain_fact:seedfinder |
61 descendants through recorded links, including Silver Fire (aka Sensi #32), Lemon Haze Fast Version (Herbies Seeds), Silver Jack Seeds, Zombi Rasta Marley feminized seeds, Silver Haze 9, Auto Silver Bullet, Azure Haze, Banana Frosting. 5 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 |
|---|---|---|---|---|
| 2021 | Highlife Cup (Netherlands) | Categorie E – Haze strains grown on soil | 3 | unverified |
| 2020 | Highlife Cup (Netherlands) | Categorie D – Haze varieties grown on hydroponics | 2 | unverified |
| 2020 | Jack Herer Cup | Best Haze Flower | 3 | unverified |
| 2019 | Highlife Cup (Netherlands) | Bio - Bio - Haze | 1 | verified |
| 2019 | Highlife Cup (Netherlands) | Cannabis Cup / Best Cannabis | 1 | verified |
| 2018 | Highlife Cup (Netherlands) | Hydro - Hydro - Haze | 3 | verified |
| 2016 | Highlife Cup (Netherlands) | Hydro - Hydro - Haze | 3 | verified |
| 2015 | Highlife Cup (Netherlands) | Hydro - Hydro - Haze | 1 | verified |
| 2015 | Highlife Cup (Netherlands) | Bio - Bio - Haze | 2 | unverified |
| 2014 | High Times Cannabis Cup (United States) | BEST SATIVA | 2 | verified |
| 2014 | High Times Cannabis Cup (United States) | BEST SATIVA | 2 | verified |
| 2012 | Highlife Cup (Netherlands) | Bio - Bio - Haze | 3 | verified |
| 2011 | Highlife Cup (Netherlands) | Hydro - Hydro - Haze | 1 | unverified |
| 2010 | Highlife Cup (Netherlands) | Hydro - Hydro - Haze | 2 | unverified |
| 2009 | Highlife Cup (Netherlands) | Hydro - Hydro - Haze | 1 | unverified |
Award claims checked
22 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: seedfinder.eu · shown with credit copyright unverified
credit: alchimiaweb.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: 018NY6XC00VTJ271MJQ7QCVMM6, Silver Haze, silver haze feminized seeds sensi seeds, silverhaze. First listed by Soma Seeds. Observations on record: 14. Science links: 89.
dossier silver-haze · frozen 2026-09-14 · citation score 82.9 · published by CannaLib, a Plausible Deniability project