Gorilla Glue #4 is the product of an accidental cross between Chem's Sister, Sour Dubb, and Chocolate Diesel — a happy accident that produced one of the most celebrated hybrid cultivars of the modern era. The name comes from the extraordinary resin production that literally glues scissors shut at harvest. Our cut is verified clone, sourced from the original lineage and rooted in premium media before arriving at our mountain garden.
At 1,170 ft elevation above Beverly Hills, our GG4 plants benefit from warm days, cool nights, and exceptional airflow — conditions that push trichome production in all the right ways. The plants are dense cola stackers that reward growers who invest in a strong trellis and consistent feeding.
The stickiest, most resin-drenched flower in the garden. GG4 delivers that signature chem-diesel punch with a full-body effect that starts cerebral and settles deep. A benchmark cultivar for both flower and extraction.
GG4 is a three-way hybrid born from an accidental pollination. A hermaphrodite Chem's Sister pollinated breeder Joesy Whales' Sour Dubb crop, with Chocolate Diesel contributing as a third genetic element. The #4 phenotype became the legendary cut that spread across the country.
Dominated by caryophyllene and myrcene, with limonene lending brightness and humulene adding earthy, hoppy depth. Together they produce the signature chem-diesel and earthy pine nose this cultivar is known for worldwide.
The aroma is immediately arresting — loud, gassy, and dank, with deep earthy pine running beneath the diesel top notes. Breaking up the flower releases chocolate spice and sour citrus rind. The smoke is smooth and expansive, with a mocha-diesel flavor that lingers well after exhale. One of the most distinctive noses in the garden.
GG4 hits fast with a cerebral rush of euphoria before settling into heavy full-body relaxation. The effect is potent and long-lasting — best enjoyed when you have nowhere to be. At high doses, couch-lock is a real possibility. Best suited for late afternoon or evening use.
THC expression in GG4 is consistently near the top of the hybrid range. The high cannabinoid ceiling combined with strong terpene production makes this cultivar a premier choice for both flower consumption and solventless extraction. COA from our 2026 grow pending.
GG4 buds are compact, chunky, and drenched in trichomes. The resin production is so extreme that tools and hands become sticky immediately at harvest — the signature quality that gave the strain its name. Cured flower retains structure well and has outstanding shelf presence.
- Strong trellis or SCROG net is essential — cola weight becomes significant in late flower and branches need support.
- Responds extremely well to topping and LST during veg. Multiple top sites reward with more uniform, heavily loaded colas.
- Feed moderately — GG4 is not a heavy feeder. Overfeeding leads to tip burn without yield benefit.
- Watch humidity in late flower. Dense bud structure traps moisture and botrytis risk increases after week 6 outdoors.
- Harvest timing is critical — a loupe is required. The resin goes milky then amber over a 1–2 week window.
GG4 performs well outdoors in warm, Mediterranean climates. At 1,170 ft in the Santa Monica Mountains, the combination of full sun, warm days, cool nights, and coastal marine layer push resin expression. Plants finish in late September to mid-October. The elevation advantage stresses trichome production in ways flat coastal grows cannot replicate.
Pest and mold resistance is above average for a hybrid of this density. The strong terpene output — particularly caryophyllene — provides some natural pest deterrence.
GG4 is one of the benchmark cultivars for solventless extraction. Trichome head size is large, the stalks are robust, and the resin melts cleanly under low-temperature press conditions. Hash yield from fresh-frozen material is consistently above average. Live rosin from well-grown GG4 typically shows exceptional nose retention and potency.
Our 2026 GG4 will be assessed for solventless potential at harvest. Full extraction results to be published with the COA.
GG4 is grown as a multi-top bush using aggressive early topping and horizontal LST to maximize canopy coverage. Plants are established in large containers and moved to their final outdoor position after last frost. The SCROG net is installed at week 3 of veg and filled before flip. Side branches are stripped of lower growth at week 2 of flower to improve airflow and direct energy upward.
The primary risk for GG4 outdoors. Dense bud structure combined with late-season coastal humidity creates ideal conditions for botrytis. Monitor daily after week 6 of flower.
Cola weight in late flower is extreme. Unsupported branches will snap under the weight of fully developed buds. Stake and trellis early and reinforce at the start of flower.
GG4 has a relatively short optimal harvest window. The shift from peak cloudy trichomes to amber happens quickly. Daily loupe checks are required in the final 10 days.
The first time I noticed the name Gorilla Glue was around 2014. Cannabis strain names were changing -- we'd gone from calling things California or Hawaiian or Jamaican to something more specific, more intentional. GG4 was one of the first names that stopped me.
I didn't actually try it until 2018, when Dr. Cintra Agee -- professor of Native American Studies up in Humboldt, Yale PhD, and a grower in her own right -- shared some of her homegrown with me. That was the moment. You don't forget your first real GG4.
Now in 2026 I'm finally growing my own tree. And that's exactly what I'd call it -- a tree. Something you come back to every year. Something every house should have. I know cannabis isn't for everyone, but if you ever find yourself wanting to grow and you don't know where to start, I'd say start here. GG4 is one of the cleanest examples of what a hybrid can be -- right up there with Girl Scout Cookies for me. It doesn't lean too far in any direction. It just does everything well. Dense, resinous, unmistakably itself. A Christmas tree worth growing every single season.