CANNALIB · STRAIN DOSSIER · GRAPE STOMPER

Grape Stomper

3 independent sources put THC at 18%; 546 flower lab samples give a 10th to 90th percentile band of 15.8 to 26.4%; 6 recorded parents; 88 recorded descendants. It placed in results from THC Championship (The Hemp Connoisseur).

Grape Stomper is a sativa dominant hybrid cannabis strain bred by Blurred Vision Genetics. Lab tests put its THC between 15.8 and 26.4% (the middle 80% of 546 flower samples). The terpenes most often reported are β-myrcene, α-pinene, β-caryophyllene. Recorded parents: Chemdawg Sour Diesel × Chemdog Sour Diesel × Purple Elephant × Sour Chem × Jojorizo'S Purple Elephant × Purple Elephant And Chemdawg Sour Diesel. Stated flowering time 56 to 63 days. 1 cup placing on record, 0 verified against published results.

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

●   evidence bar: thc 3 independent sources

●   type: sativa dominant hybrid

18%
THC, most-agreed claim
3 independent sources

15.8–26.4%
Flower lab range
10th to 90th percentile of 546 samples

6
Recorded parents
with sources, never guessed

88
Recorded descendants
through stated parent links

0/1
Cup results, verified/total
placings found in published results

6
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% 3 allbud, cannlytics_expand, leafly_flat, leafly_flat_enrich, master
19% 2 cannlytics_expand, or_prr00150
21.2% 2 cannlytics_expand, nv_gnfvbs_2018_2019
21.5% 2 or_prr00150, or_olcc_rich_enrich
22.4% 2 cannlytics_expand, nv_ccb_lab_library
23% 2 cannlytics_expand, or_prr00150
26% 2 cannlytics_expand, or_prr00150
26.2% 2 or_prr00150, or_olcc_rich_enrich
27.1% 2 or_prr00150, or_olcc_rich_enrich
30.2% 2 or_prr00150, or_olcc_rich_enrich
30.7% 2 or_prr00150, or_olcc_rich_enrich
0% 1 steep_hill_chemotypes_zenodo_3986252

Lab range 15.8 to 26.4% THC is the 10th to 90th percentile of 546 flower lab samples, median 21.6%; CBD 0 to 0.2% over 432 samples.

top terpenes by stated value: β-myrcene, α-pinene, β-caryophyllene, trans nerolidol, linalool, α-humulene

1,034 chemistry rows on record. Flagged rows never used as potency: 127 non flower, 96 quality flagged, 0 percent outliers.

GROW CLAIMS

Height and flowering, as stated.

Height Independent sources Who states it
80 to 120 cm 2 seedcity, seedcity_local
152 to 244 cm 1 cropking
Flowering Independent sources Who states it
63 to 70 days 2 truenorth, cropking
72 days 2 seedfinder, leafly_flat_grow
56 to 63 days 2 seedcity, seedcity_local
56 to 70 days 2 truenorth, hytiva
LINEAGE

Recorded parents, and how many sources agree.

Parent Sources Who states it
Chemdawg Sour Diesel 1 summary:lineage
Chemdog Sour Diesel 1 seedfinder
Purple Elephant 1 seedfinder
Sour Chem 1 leafly_children_slugs
Jojorizo'S Purple Elephant 1 strain_fact:seedfinder
Purple Elephant And Chemdawg Sour Diesel 1 strain_fact:hytiva

88 descendants through recorded links, including Og Dawg Stomper Seeds, Aloha Grape Stomper, Breath Stomper, Bright Moments, Bright Puff, Cenote, Chemstomper X Durban Sherbet, Courvoisier.

COMPETITIONS AND AWARD CLAIMS

Cup results with sources; claims with verdicts.

Year Competition Category Place Checked
2015 THC Championship (The Hemp Connoisseur) Adult-Use Indica / People’s Choice winner unverified

Award claims checked 0 confirmed  ·  1 unchecked. Only confirmed claims count as results.

Claim Year Source Verdict
Cannabis Cup winner | Cannabis Cup | 2017 2017 archive.org unchecked
PICTURES, WITH CREDIT

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

Grape Stomper strain picture, credit seedfinder.eu

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

Grape Stomper strain picture, credit images.hytiva.com

credit: images.hytiva.com · shown with credit, copyright unverified

Grape Stomper strain picture, credit cropkingseeds.com

credit: cropkingseeds.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 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: grape-stomper, gage-green-genetics/grape-stomper, grape stomper feminized seeds growers choice, grapestomper, 018NY6XC00VTN4W4KBKMAP0Y7F, Grape Stompers

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 grape-stomper · frozen 2026-09-29 · published by CannaLib, a Plausible Deniability project · Cite as: CannaLib (2026). Grape Stomper strain dossier. https://cannalib.org/strains/grape-stomper/

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