Gorilla Glue #4 Strain Review: The Accident That Conquered Cannabis

The best strain of the 2010s wasn’t bred. It was an accident that almost went in the trash. I’ve been sourcing seeds from elite breeders for 16 years, and I can count on one hand the strains that genuinely changed the market. Gorilla Glue #4 — now legally “Original Glue,” and I’ll explain why — is one of them. Most GG4 articles online are dispensary filler written by people who’ve never popped a seed. This is the seedsman’s version: where the genetics actually came from, why the name changed, and what you’ll really get when you grow it from seed.

Genetics & Lineage

GG4’s listed lineage is Chem’s Sister x Sour Dubb x Chocolate Diesel. That three-way cross wasn’t a plan. It was a hermaphrodite problem.

The story, as told by the breeders themselves: around 2012, Josey Wales (Don Peabody) of GG Strains was running Chem’s Sister — a sativa-leaning Chemdog line — alongside Sour Dubb and Chocolate Diesel. One of the plants hermied under stress and threw pollen across the room, seeding his Sour Dubb. Wales was angry enough to cull the whole run, but a handful of accidental seeds survived in a stash jar. His partner Lone Watie (Ross Johnson) later popped them. Out of that small batch came numbered phenotypes — GG1, GG2, GG4, GG5 — and the #4 was the once-in-a-decade keeper.

Two honest caveats, because the candor matters more than the legend. First, the exact pollination order gets told differently depending on who’s talking and when — which plant hermied, which got seeded, and where Chocolate Diesel enters the picture varies between retellings. The commonly accepted version is that Chem’s Sister hermie pollen hit Sour Dubb, and Chocolate Diesel genetics were in the mix through the parent material. Nobody ran pedigree paperwork on an accident. Second, that hermaphrodite origin isn’t just trivia — it’s a heritable trait. GG4 and its seed descendants carry a known tendency to throw the occasional banana under stress. Any breeder or seed bank that doesn’t tell you that is hiding the most practically important fact about the line.

What made the #4 pheno special is resin production that was, frankly, absurd for its era. Trichome coverage on stalks, fan leaves, everything — the “glue” name came from scissors sticking together during trimming. THC tests routinely hit 25–30%, at a time when 20% was headline material. It swept the 2014 High Times Cannabis Cups in Los Angeles and Michigan and took the 2015 Jamaican World Cup, and within two years every dispensary in America needed it on the shelf.

Like Blue Dream, GG4 is a clone-only cut. One female plant from one lucky accident. Every legitimate seed version is either an S1 (the cut reversed onto itself) or a cross using the cut as a parent. Keep that in mind for the buying section.

The Breeder Behind It

GG Strains was Josey Wales and Lone Watie — two guys who caught lightning in a bottle and, to their credit, recognized what they had. They didn’t invent the parents; Chemdog lines, Sour Dubb, and Chocolate Diesel were already circulating breeder-to-breeder. Their contribution was selection: growing out accidental seeds, recognizing that the #4 was extraordinary, and getting the cut into the hands that made it famous.

Then came the part of the story most strain reviews skip: the lawsuit. In 2017, the Gorilla Glue adhesive company sued GG Strains for trademark infringement. The glue company had a point under trademark law, and GG Strains — a small operation, not a corporation with a legal war chest — settled. The terms required them to phase out the “Gorilla Glue” name entirely. That’s why the strain is officially “Original Glue” or simply “GG4” today, and why dispensary menus and seed catalogs use those names. Same plant, same genetics, forced rename. When you see “Original Glue,” “GG4,” and “Gorilla Glue #4” in the wild, they should all refer to the same clone — and when they don’t, someone in the supply chain got sloppy or dishonest.

Josey Wales passed away in 2021. Whatever you think of accidental breeding, the man’s eye for a keeper pheno shaped a decade of cannabis, and half the “glue” crosses on the market today exist because of that one selection.

Growing It

Vegetative growth: Vigorous and stretchy, with the lankiness of its Chem and Diesel ancestry. From seed, expect strong lateral branching once topped. Four to five weeks of veg indoors is enough — this plant will fill space fast.

Stretch: Significant — plan for 75–100% after the flip. Top at least once and use trellis netting; the buds get heavy and resin-laden enough that unsupported branches fold late in flower.

Flowering time: 8–9 weeks. The cut finishes around day 60–63 with most of the trichome mass developing in the final two weeks. Don’t chop early — the difference between week 7 GG4 and week 9 GG4 is the difference between decent and legendary.

Yield: Moderate to high. It won’t out-produce a commercial yielder like Blue Dream, but the density and resin content make up the difference in quality. Indoors, expect a solid average with well-managed training; outdoors it wants a warm, semi-humid climate and finishes early-to-mid October.

Environment: Here’s the one that matters — keep the stress down. Light leaks, wild temperature swings, root problems, and aggressive late-flower feeding are exactly the triggers that make this line express its hermaphrodite heritage. Run a clean 12/12 with a genuinely dark dark cycle, keep flowering humidity at 40–50%, and inspect lower buds for bananas from week 3 onward. Growers who treat GG4 gently rarely see a problem; growers who stress it sometimes seed their whole room.

Common mistakes: Overfeeding nitrogen in stretch (it’ll go lanky and leafy), skipping the trellis, and — the big one with seed versions — not culling intersex plants early in a pheno-hunt.

What to expect from seeds: In a pack of GG4 S1s, you’re growing selfed offspring of a three-way hybrid, so expect real segregation: Chem-leaning phenos with sour funk and lankier structure, Diesel-leaning phenos with fuel and chocolate notes, and some plants that come impressively close to the cut. Sex isn’t the issue with feminized S1s — stability is. My advice for the hunt: run more seeds than you think you need, clone everything before flip, cull anything that throws early bananas without mercy, and keep the pheno that combines frost, fuel-chocolate nose, and a clean stress test. That plant is worth the whole pack.

One more practical note on the hunt: don’t judge resin too early. GG4-family phenos that look average at week five often explode with trichomes in weeks seven and eight, and I’ve watched growers cull future keepers because a sibling frosted up faster. Score structure and nose early; score resin at the finish line.

Flavor, Aroma & Effects

The aroma is the Chem/Diesel family at full volume: pungent fuel and sour earth up front, with a genuinely distinctive dark undertone — coffee and cocoa from the Chocolate Diesel side — and a pine-chem edge. Caryophyllene, limonene, and myrcene lead the terpene profile. Cured properly, it’s one of the loudest strains you’ll ever jar, and your carbon filter better be up to the job.

Effects are heavy. This is a 60/40 indica-leaning hybrid by feel, but the numbers undersell it — at 25%+ THC, GG4 delivers a fast, euphoric slam that settles into full-body couch weight. It earned its reputation as an evening strain for experienced consumers. Medical users gravitate to it for pain, stress, and sleep. New consumers should treat it with respect; this is not a “one more bowl” strain. If Blue Dream was the strain that welcomed the legal-market masses, GG4 was the one that reminded them cannabis can still pin you to the furniture.

Buying Seeds: What To Look For

• Understand that every seed is a derivative. The real GG4 is clone-only. Elite Clone Seed Company’s GG4 S1 feminized seeds are made by reversing the actual cut — that’s the closest seed form to the original, and it will still segregate. Anyone selling “original GG4 seeds from GG Strains” is selling a story; GG Strains never did a general seed release of the cut itself.
• Watch the three names. Gorilla Glue #4, GG4, and Original Glue are the same genetics under different legal circumstances. A seller who can’t explain the trademark history probably can’t verify their genetics either.
• Ask about hermie testing. Legit breeders working glue lines stress-test their selections and tell you so. Silence on the intersex question is a red flag with this strain specifically.
• Consider the crosses. Some of the best glue-family experiences now come from worked hybrids — Best Coast Genetics’ Gorilla G regulars and Alien Gorilla Glue bring the resin and fuel with breeder selection behind them.
• Buy from a bank that ships from the USA with a guarantee. GG4’s popularity makes it one of the most faked names in the seed game. Provenance is everything.

FAQ

Is GG4 the same as Gorilla Glue and Original Glue?
Yes. The strain launched as Gorilla Glue #4, and a 2017 trademark settlement with the Gorilla Glue adhesive company forced the rename to Original Glue. GG4, Gorilla Glue #4, and Original Glue all refer to the same clone-only cut.

Was GG4 really an accident?
Yes — it came from unintended seeds produced when a hermaphroditic plant pollinated others in Josey Wales’s garden around 2012. The exact details vary between retellings, but the accidental-hermie origin is the account given by GG Strains themselves.

Do GG4 seeds hermie?
The line carries a heritable intersex tendency from its origin. Well-grown plants under low stress usually stay clean, but you should run a tight dark cycle, avoid stress in flower, and cull any plant that throws bananas early in a pheno-hunt.

How strong is GG4?
The cut routinely tests 25–30% THC with a heavy, sedating, full-body effect. It’s an evening strain best suited to experienced consumers, and one of the strains that defined modern “potency-first” cannabis.

The Bottom Line

GG4 is the best argument I know for humility in breeding: the defining strain of a decade came from an accident and a sharp eye. The cut is real, the story is messy, and the seed market around it rewards buyers who know the difference between an S1, a cross, and a counterfeit. That’s what we do at Seeds Here Now. Browse our full seed selection — GG4 S1s, glue crosses, and 4,600+ other strains from breeders I trust, shipped from the USA with our germination guarantee.

— James Bean, Founder, Seeds Here Now