CANNALIB · STRAIN DOSSIER · GRAND DADDY PURPLE
Grand Daddy Purple
2 independent sources put THC at 15.091%; 881 flower lab samples give a 10th to 90th percentile band of 12.407 to 24.34%; 3 recorded parents; 159 recorded descendants.
● frozen 2026-09-14 · API 0.7.0-stdlib
● evidence bar: flower lab range 3 samples
● type: indica dominant hybrid
15.091%
THC, most-agreed claim
2 independent sources
12.407–24.34%
Flower lab range
10th to 90th percentile of 881 samples
3
Recorded parents
with sources, never guessed
159
Recorded descendants
through stated parent links
1/4
Cup results, verified/total
placings found in published results
10
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 |
|---|---|---|
| 15.091% | 2 | cannlytics_expand, maxvalue_terpenes_csv |
| 16.3% | 2 | replication_data, cannlytics_expand |
| 17% | 2 | allbud, replication_data, master |
| 17.3% | 2 | or_prr00150, replication_data |
| 17.31% | 2 | cannlytics_expand, or_prr00150 |
| 17.438% | 2 | cannlytics_expand, maxvalue_terpenes_csv |
| 17.6% | 2 | or_prr00150, replication_data |
| 20% | 2 | cannlytics_expand, replication_data |
| 20.87% | 2 | cannlytics_expand, replication_data |
| 21.9% | 2 | or_prr00150, replication_data |
2 more THC claims are on the live card.
Lab range 12.407 to 24.34% THC is the 10th to 90th percentile of 881 flower lab samples (median 19.039). CBD 0 to 0.439% over 705 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: terpinolene, beta myrcene, beta ocimene, beta pinene, d limonene, beta caryophyllene, trans nerolidol, Linalool
1,493 chemistry rows on record. Flagged rows never used as potency: 171 non flower, 138 quality flagged.
GROW CLAIMS
Height and flowering, as stated.
| Height | Independent sources | Who states it |
|---|---|---|
| 80 to 120 cm | 2 | seedcity, seedcity_local |
| 91.44 cm | 1 | seedfinder |
| 243.84 cm | 1 | seedfinder |
| Flowering | Independent sources | Who states it |
|---|---|---|
| 56 to 70 days | 3 | seedcity, seedcity_local, seedfinder |
| 63 days | 3 | seedfinder, seedcity, seedcity_local |
| 56 to 63 days | 1 | seedfinder |
| 60 days | 1 | seedfinder |
LINEAGE
Recorded parents, and how many sources agree.
| Parent | Sources | Who states it |
|---|---|---|
| Big Bud | 1 | seedfinder |
| Purple Urkel | 1 | seedfinder:parents |
| Purple Urkle low confidence | 1 | strain_fact:seedfinder |
159 descendants through recorded links, including Banana Daddy R1, Dieselicious Seeds, American Cincinnatus, American Purple, Auto Grand Daddy Purple XXL, Banana Daddy, Bayou Royal Grapes, Big Auto Paxa. 7 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 |
|---|---|---|---|---|
| 2022 | Errl Cup | VAPE PEN - INDICA | 3 | unverified |
| 2021 | Jack Herer Cup | Greenhouse Flower – Indica | winner | unverified |
| 2017 | Jack Herer Cup | Vape Pen Cartridge – Indica | winner | unverified |
| 2014 | High Times Cannabis Cup (United States) | BEST US INDICA | 2 | verified |
Award claims checked
1 confirmed · 1 event ambiguous · 5 unchecked. Only confirmed claims count as wins on the live card; every other verdict is shown in words beside the claim.
PICTURES, WITH CREDIT
10 pictures on record. Three shown, each with its source.
credit: seedsmanlive.gumlet.io · 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: 018NY6XC00VTZXGJ5XG8ZXSF6K, atlas-seed/grand-daddy-purple, concrete-jungle-seeds/grand-daddy-purple, grand-daddy-purple, granddaddypurple, unknown-or-legendary/grand-daddy-purple. First listed by Delta 9 Labs. Observations on record: 7. Science links: 1259.
dossier grand-daddy-purple · frozen 2026-09-14 · citation score 92.9 · published by CannaLib, a Plausible Deniability project