CANNALIB · STRAIN DOSSIER · MARSHMALLOW OG
Marshmallow OG
3 independent sources put THC at 20%; 216 flower lab samples give a 10th to 90th percentile band of 15.7 to 28%; 8 recorded parents; 28 recorded descendants. It placed in results from Hash Bash Cup, Cowboy Cup Cannabis Championship and Farmers Cup.
Marshmallow OG is a Indica +60% cannabis strain bred by Square One Genetics. Lab tests put its THC between 15.7 and 28% (the middle 80% of 216 flower samples). The terpenes most often reported are limonene, β-caryophyllene, β-myrcene. Recorded parents: Chem × Chem Cookies × Chemdog × Chemdog D × Fuel × Jet Fuel Gelato × Og × Triangle Kush. Stated flowering time 63 days. 5 cup placings on record, 1 verified against published results.
● frozen 2026-09-29 · API 0.7.1-stdlib
● evidence bar: thc 3 independent sources
● type: Indica +60%
20%
THC, most-agreed claim
3 independent sources
15.7–28%
Flower lab range
10th to 90th percentile of 216 samples
8
Recorded parents
with sources, never guessed
28
Recorded descendants
through stated parent links
1/5
Cup results, verified/total
placings found in published results
7
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 |
|---|---|---|
| 20% | 3 | cannareviews, leafly_flat, cropking, leafly_flat_enrich |
| 22.2% | 2 | or_prr00150, or_olcc_rich_enrich |
| 22.5% | 2 | or_prr00150, or_olcc_rich_enrich |
| 26.9% | 2 | or_prr00150, or_olcc_rich_enrich |
| 34.8% | 2 | or_prr00150, or_olcc_rich_enrich |
| 11.4% | 1 | nv_ccb_lab_library |
| 12.4% | 1 | nv_ccb_lab_library |
| 13.2% | 1 | cannlytics_lab |
| 13.7% | 1 | nv_ccb_lab_library |
| 14.1% | 1 | nv_ccb_lab_library |
| 14.3% | 1 | nv_ccb_lab_library |
| 14.6% | 1 | nv_ccb_lab_library |
Lab range 15.7 to 28% THC is the 10th to 90th percentile of 216 flower lab samples, median 21.7%; CBD 0 to 0.1% over 68 samples.
top terpenes by stated value: limonene, β-caryophyllene, β-myrcene, α-humulene, β-pinene, fenchol
160 chemistry rows on record. Flagged rows never used as potency: 18 non flower, 23 quality flagged, 0 percent outliers.
GROW CLAIMS
Height and flowering, as stated.
| Height | Independent sources | Who states it |
|---|---|---|
| 80 to 120 cm | 3 | seedcity, seedcity_local, cropking |
| Flowering | Independent sources | Who states it |
|---|---|---|
| 63 days | 6 | seedcity, seedcity_local, cannabis_intelligence, leafly_flat_grow, seedfinder, master, alchimia |
| 49 to 63 days | 1 | cropking |
| 65 to 70 days | 1 | bank_paradise-seeds |
| 68 days | 1 | seedfinder |
LINEAGE
Recorded parents, and how many sources agree.
| Parent | Sources | Who states it |
|---|---|---|
| Chem | 1 | strain_fact:seedfinder |
| Chem Cookies | 1 | strain_fact:alchimia,master |
| Chemdog | 1 | strain_fact:seedfinder |
| Chemdog D | 1 | strain_fact:bank_paradise-seeds |
| Fuel | 1 | strain_fact:seedfinder|literal_cleaned |
| Jet Fuel Gelato | 1 | strain_fact:alchimia,bank_paradise-seeds,master |
| Og | 1 | strain_fact:seedfinder |
| Triangle Kush | 1 | strain_fact:alchimia,bank_paradise-seeds,master,seedfinder |
28 descendants through recorded links, including Comatose, Ethereal Og, Fluff Fumez, Johnny Dang R1, Marshmallow Pancakes, Frosted Marshmallow, Jet Puft, Pillows R1.
COMPETITIONS AND AWARD CLAIMS
Cup results with sources; claims with verdicts.
| Year | Competition | Category | Place | Checked |
|---|---|---|---|---|
| 2025 | Cowboy Cup Cannabis Championship | SOLID BHO | 1st | unverified |
| 2023 | Farmers Cup | Sungrown Flower | 2nd | unverified |
| 2023 | Farmers Cup | Sungrown Flower | Best Smokability | unverified |
| 2023 | Farmers Cup | Sungrown Flower | Best Packaging | unverified |
| 2022 | Hash Bash Cup | Flower - Sativa | 1st | verified |
No seed-bank award claims on record.
PICTURES, WITH CREDIT
7 pictures on record. Three shown, each with its source.
credit: images.paradise-seeds.com · shown with credit, copyright unverified
credit: cropkingseeds.com · shown with credit, copyright unverified
credit: images.paradise-seeds.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: Marshmallow OG, compound-genetics/marshmallow-og, wyeast-farms/marshmallow-og
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 marshmallow-og · frozen 2026-09-29 · published by CannaLib, a Plausible Deniability project · Cite as: CannaLib (2026). Marshmallow OG strain dossier. https://cannalib.org/strains/marshmallow-og/