CANNALIB · STRAIN DOSSIER · GRAPEFRUIT
Grapefruit
4 independent sources put THC at 20%; 735 flower lab samples give a 10th to 90th percentile band of 9.6 to 23.2%; 12 recorded parents; 167 recorded descendants. It placed in results from The Emerald Cup, Karma Cup and NW Cannabis Classic (NWCC) / Cannabis Classic Alaska.
Grapefruit is a sativa dominant hybrid cannabis strain bred by Roor Seeds Amsterdam. Lab tests put its THC between 9.6 and 23.2% (the middle 80% of 735 flower samples), with CBD around 0.1%. The terpenes most often reported are β-myrcene, linalool, α-pinene. Recorded parents: Afghani × C 99 × C99 × Cinderella × Cinderella 99 × Nl × Princess × Skunk × Bc Sweet Pink Grapefruit × Bc Sweet Pink Grapefruit Cutting × Jack Herer Cannabis Strain × Sweet Pink Gf. Stated flowering time 56 to 63 days. 9 cup placings on record, 2 verified against published results.
● frozen 2026-09-29 · API 0.7.1-stdlib
● evidence bar: thc 4 independent sources
● type: sativa dominant hybrid
20%
THC, most-agreed claim
4 independent sources
9.6–23.2%
Flower lab range
10th to 90th percentile of 735 samples
12
Recorded parents
with sources, never guessed
167
Recorded descendants
through stated parent links
2/9
Cup results, verified/total
placings found in published results
17
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% | 4 | allbud, cannaconnection, seedfinder, master, hytiva |
| 19% | 3 | cannlytics_expand, leafly_flat, leafly_flat_enrich, bank_blim-burn-seeds |
| 0.1% | 2 | cannlytics_expand, wa_wslcb_leaf_new |
| 15.9% | 2 | or_prr00150, replication_data |
| 21% | 2 | cannlytics_expand, cropking |
| 21.1% | 2 | cannlytics_expand, maxvalue_terpenes_csv |
| 15% | 2 | bank_blim-burn-seeds, hytiva |
| 15 to 20% | 2 | hytiva, seedfinder |
| 0.2% | 1 | wa_wslcb_leaf_new |
| 0.2% | 1 | wa_wslcb_leaf_new |
| 0.3% | 1 | steep_hill_chemotypes_zenodo_3986252 |
| 0.4% | 1 | wa_wslcb_leaf_new |
Lab range 9.6 to 23.2% THC is the 10th to 90th percentile of 735 flower lab samples, median 18.4%; CBD 0 to 0.3% over 515 samples.
top terpenes by stated value: β-myrcene, linalool, α-pinene, β-caryophyllene, limonene, guaiol
1,864 chemistry rows on record. Flagged rows never used as potency: 714 non flower, 106 quality flagged, 0 percent outliers.
GROW CLAIMS
Height and flowering, as stated.
| Height | Independent sources | Who states it |
|---|---|---|
| 80 to 100 cm | 5 | alchimia, fastbuds, truenorth, cannaconnection, seedfinder |
| 80 to 120 cm | 2 | seedcity, seedcity_local |
| 50 to 60 cm | 1 | seedfinder |
| 152 to 244 cm | 1 | cropking |
| 100 cm | 1 | bank_blim-burn-seeds |
| 79 to 119 cm | 1 | cannabis_intelligence |
| 200 to 300 cm | 1 | cannaconnection |
| Flowering | Independent sources | Who states it |
|---|---|---|
| 56 to 63 days | 4 | cannaconnection, seedcity, seedcity_local, seedfinder |
| 55 to 62 days | 3 | seedcity, seedcity_local, seedfinder |
| 63 days | 3 | fastbuds, seedfinder, alchimia |
| 55 days | 2 | seedfinder, alchimia, master |
| 49 to 56 days | 2 | bank_greenbud-seeds, seedfinder |
| 56 to 70 days | 1 | cropking |
| 53 days | 1 | seedfinder |
| 59 days | 1 | seedfinder |
| 49 days | 1 | seedfinder |
| 56 days | 1 | seedfinder |
| 58 days | 1 | seedfinder |
| 42 to 56 days | 1 | seedfinder |
LINEAGE
Recorded parents, and how many sources agree.
| Parent | Sources | Who states it |
|---|---|---|
| Afghani | 1 | strain_fact:alchimia|split_of:NL x Skunk x Afghani |
| C 99 | 1 | seedfinder |
| C99 | 1 | seedfinder |
| Cinderella | 1 | strain_fact:seedfinder |
| Cinderella 99 | 1 | seedfinder |
| Nl | 1 | strain_fact:alchimia|split_of:NL x Skunk x Afghani |
| Princess | 1 | seedfinder |
| Skunk | 1 | strain_fact:alchimia|split_of:NL x Skunk x Afghani |
| Bc Sweet Pink Grapefruit | 1 | strain_fact:seedfinder |
| Bc Sweet Pink Grapefruit Cutting | 1 | strain_fact:seedfinder |
| Jack Herer Cannabis Strain | 1 | strain_fact:alchimia |
| Sweet Pink Gf | 1 | strain_fact:seedfinder |
167 descendants through recorded links, including Grapefruit Haze Seeds, Mighty Grape Seeds, Sweet Special Seeds, Toof Decay Auto Seeds, Tropical Og Feminized Seeds, Dynamite, Ananda, Big Grapefruit.
COMPETITIONS AND AWARD CLAIMS
Cup results with sources; claims with verdicts.
| Year | Competition | Category | Place | Checked |
|---|---|---|---|---|
| 2026 | Platinum CBD Cup (Cann’Agri Expo) | Fleurs Outdoor – jury public | 3rd | unverified |
| 2025 | Spannabis Champions Cup | CBD | 3rd | unverified |
| 2025 | Spannabis Champions Cup | Categoría CBD | 4th | unverified |
| 2022 | The Emerald Cup | Alternative Cannabinoid Hemp Flower | 2nd | verified |
| 2015 | Karma Cup | Solventless | 2nd | verified |
| 2015 | NW Cannabis Classic (NWCC) / Cannabis Classic Alaska | BEST SATIVA | 1st | unverified |
| 2014 | Copa Cannabis Uruguay / Copa Cannábica de Uruguay (AECU) | Hash / Extrações | 1st | unverified |
| 2014 | Lift & Co. Canadian Cannabis Awards | British Columbia Dispensaries / Top Sativa Strains | unverified | |
| – | Copa Catalunya (Catalan cannabis growers' cup) | interior tierra | 1st | unverified |
No seed-bank award claims on record.
PICTURES, WITH CREDIT
17 pictures on record. Three shown, each with its source.
credit: cropkingseeds.com · shown with credit, copyright unverified
credit: seedfinder.eu · 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 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: grapefruit, positronics/grapefruit, female-seeds/grapefruit, 420-genetics/grapefruit, bc-grown/grapefruit, bulk-seed-bank/grapefruit, clone-only-strains/grapefruit, goldenseed/grapefruit, greenfield-seeds/grapefruit, linda-seeds/grapefruit, nectar-seeds/grapefruit, plantation-premium-seeds/grapefruit, scott-family-farms/grapefruit, grapefruit autoflowering feminized seeds bulk seeds, grapefruit autoflowering feminized seeds canuk seeds, grapefruit feminized seeds bulk seeds, grapefruit feminized seeds canuk seeds, grapefruit feminized seeds female seeds, grapefruit regular seeds bulk seeds, grapefruit regular seeds canuk seeds
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dossier grapefruit · frozen 2026-09-29 · published by CannaLib, a Plausible Deniability project · Cite as: CannaLib (2026). Grapefruit strain dossier. https://cannalib.org/strains/grapefruit/