GG4 feminized cannabis plant with chunky, resin-heavy colas

Feminized seeds

Chem's SisterxSour DubbxChocolate Diesel

THC: 25-28%
Bloom: 8-9 wks
Yield/sq ft: 1.6-2 oz
Level: Moderate to advanced

GG4 Feminized Seeds

From $65.00

Diesel, pine and sour earth wrapped in resin that sticks to your scissors. The feminized version of the hybrid once called Gorilla Glue #4, prized for potency and heavy yields.

THC25-28%
Bloom8-9 weeks
Height3-4 ft indoors
LevelModerate to advanced

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SKU: BMS-GG4-FEM Categories: Feminized Seeds, High THC Seeds, High Yield Seeds, Hybrid Seeds, Indoor Seeds Tag: Bestseller

Quick answerGG4 is an indica-dominant hybrid, originally released as Gorilla Glue #4 and bred from Chem's Sister, Sour Dubb and Chocolate Diesel. It is known for extremely sticky resin, a pungent diesel-and-pine aroma, reported THC around 25-28%, and an 8-9 week flowering time indoors.

GG4 at a glance

THC25-28%Supplier reported. Built for experienced consumers.

Flowering8-9 wksFrom the switch to 12/12

Indoor yield1.6-2 ozPer sq ft, dialed-in setup

Height3-4 ftIndoors. 5-6 ft outdoors

Outdoor harvestMid OctMost US latitudes

AwardMultiple 2014 Cannabis Cup winsEarned under its original Gorilla Glue #4 name

What is the GG4 strain?

GG4 is the strain many growers still call Gorilla Glue #4. Its breeders crossed Chem’s Sister with Sour Dubb and then brought in Chocolate Diesel. It built a reputation quickly, collecting multiple Cannabis Cup awards in 2014, and the name was later shortened to GG4 after a dispute with the adhesive company.

The original name was earned honestly. GG4 coats itself in so much trichome resin that trimming scissors gum up fast and the buds feel tacky between your fingers. Chem’s Sister and Sour Dubb bring the sour, chemical fuel, while Chocolate Diesel adds an earthy, slightly sweet depth under the diesel.

In the garden, GG4 is a heavy producer with long, chunky colas that usually need stakes or a trellis to stay upright. It is also one of the loudest plants you can grow, so odor control is not optional. These feminized seeds are bred to produce female plants, so every seed you germinate is aimed at harvestable flower.

Chem's SisterSour Dubb

Chem's Sister x Sour DubbChocolate Diesel

GG4

How it feels

Consumers commonly describe a quick, happy euphoria that spreads into strong full-body relaxation while the mood stays upbeat. It has a reputation as a potent strain, so pacing matters.

First few minutesBright euphoria
A fast, upbeat rise that many people describe as happy and uplifted.
Within the hourHeavy body, light mood
Deep physical relaxation sets in while the headspace stays cheerful.
Later in the sessionGlued-in calm
Many people report sinking into the couch as the session tapers off.

Commonly reportedRelaxedEuphoricHappyUplifted

Reported THC of 25-28%: start with a small amount and wait before taking more. Commonly reported downsides include dry mouth and dry eyes, and some people report anxiety or dizziness at high doses. General reports, not medical guidance.

Aroma, flavor and terpenes

Sharp diesel and sour chem up front, fresh pine through the middle and a damp, earthy base, with a sour twist on the exhale. It is one of the most pungent strains you can grow, so a carbon filter is mandatory indoors.

Flavor notesEarthyPineDieselSour

CaryophyllenePepper, fuel

Drives the spicy, gassy diesel bite.

LimoneneSour citrus

Sharpens the tangy, sour edge.

MyrceneEarth, musk

Anchors the damp, earthy base.

Keep isopropyl wipes on hand to clean your scissors while trimming. Dry near 60°F and 60% RH, then jar-cure for at least two weeks to keep the fuel sharp.

How to grow GG4

Rated moderate to advanced. GG4 is vigorous, but it stretches hard after the flip, its heavy colas need support, and the smell demands serious odor control.

Indoors

Veg climate: 75-82°F, 55-65% RH
Flower climate: 70-80°F, 40-50% RH
Late flower: RH 40-45% with strong airflow
Light: 800-1,000 PPFD in flower (LED)
Training: Top early, SCROG to manage stretch
Support: Trellis net or stakes for heavy colas

Outdoors

Plant out: After last frost, nights above 50°F
Size: 5-6 ft with full sun
Harvest: Mid October
Best fit: Long, dry autumns (USDA 7-10)
Watch for: Snapped branches, late-season mold
Protect: Stake or cage early; plan for odor

Read the full indoor grow guide

GG4 rewards growers who plan ahead. It usually finishes 3 to 4 feet tall indoors, but it stretches noticeably after the flip, so leave headroom and finish your training in veg. Its moderate-to-advanced rating comes down to three things: odor, branch support and humidity.

Environment

Vegetative: 75-82°F days with 55-65% relative humidity.
Flower: 70-80°F and 40-50% RH, dropping toward 40-45% in the last two weeks. Fat, resinous colas trap moisture, which invites bud rot.
Odor: run an exhaust fan with a properly sized carbon filter from the first week of flower. GG4 gets very loud.

Light and training

Give it roughly 600-800 PPFD in late veg and 800-1,000 PPFD in flower under LED. Top once or twice early, then spread the branches under a SCROG net. The net does double duty: it evens out the canopy and holds the heavy colas up late in flower.

Support and feeding

Add a second trellis layer or bamboo stakes by about week three of flower, because branches can fold under the weight of finished buds. GG4 handles a fairly hearty feed, but watch the leaf tips and back off if they yellow or crisp. Cal-mag helps under LED.

Harvest timing

Expect 8 to 9 weeks of flower after the switch to 12/12. Watch the trichomes: mostly cloudy heads give a more energetic effect, and a share of amber pushes it heavier. Lay down a drop cloth and keep alcohol wipes close on harvest day, since the resin coats everything it touches.

Seed to jar in about 21 weeks

A typical indoor run. Keep veg on the short side, because GG4 stretches after the flip.

Germinate1 wkSeedling2 wkVegetate4 wkFlower9 wkDry and cure5 wk

Week 1Week 21

Germinate weeks 1-1
Paper towel at 75-80°F
Seedling weeks 2-3
Gentle light, 65-70% RH
Vegetate weeks 4-7
Top early, set the SCROG net
Flower weeks 8-16
8-9 weeks, add support by week 3
Dry and cure weeks 17-21
60°F, 60% RH, then jars

Growing GG4 outdoors in the US

Outdoors, GG4 turns into a big, productive plant. Expect 5 to 6 feet of height and roughly 21 to 25 ounces per plant in full sun, with harvest arriving in mid October at most US latitudes. Plant out after your last spring frost once nights stay above about 50°F, and set stakes or a tomato cage early so you are not wrestling branches later.

Two things decide success outside. The first is autumn weather: those big, sticky colas hold rain and dew, and a mid-October finish means many northern gardens will see cold, wet nights before harvest. The second is smell, since a flowering GG4 can be noticed well beyond your yard. A greenhouse or hoop house helps with both in marginal areas. See our outdoor planting guide for zone-by-zone timing.

Home-grow rules differ from state to state, including whether growing is allowed at all and how many plants an adult may keep. Confirm the rules where you live before you plant. This is general information, not legal advice.

Will it finish where you live?

ExcellentInland California and the Southwest

Dry, sunny falls carry the heavy colas to a clean mid-October finish.

FairColorado Front Range and Utah valleys

Dry air suits it, but frost can arrive before a mid-October harvest at elevation.

GoodMidwest

Southern areas finish comfortably; farther north, plant early and watch the forecast.

FairNortheast

Damp autumns and a late finish raise bud rot risk. A greenhouse helps.

FairSoutheast and Gulf Coast

The long season suits it, but humidity in dense, resinous buds needs constant airflow.

Check your state's home-grow rules before you plant. Laws by state

Who GG4 is for

Experienced consumersPeople who want a potent, high-THC profile with a classic fuel-forward nose.
Yield-focused growersA heavy producer that fills a SCROG net with chunky, resin-coated colas.
Hash and rosin makersSo much sticky resin that trim and small buds are worth saving.
Growers with odor controlAnyone ready to run a carbon filter and manage late-flower humidity.

Keep exploring

High yield seedsHeavy producers for tents and gardens High THC seedsMore of our strongest genetics SCROG explainedTrain a flat, supported canopy How to grow indoorsTents, lights, airflow and odor control Harvest date calculatorPlan your harvest from your start date

GG4 strain data sheet

Genetics

Seed type: Feminized
Genetics: Indica-dominant hybrid
Lineage: Chem's Sister x Sour Dubb x Chocolate Diesel

Potency & profile

THC: 25-28% (supplier reported)
CBD: Low (under 1%)
Commonly reported effects: Euphoric, Happy, Relaxed, Uplifted
Flavors: Diesel, Earthy, Pine, Sour
Dominant terpenes: Caryophyllene, Limonene, Myrcene

Growing

Flowering time: 8-9 weeks
Height: 3-4 ft indoors, 5-6 ft outdoors
Difficulty: Moderate to advanced
Climate: Warm and dry, 70-80°F, 40-50% RH in flower, strong airflow
Best USDA zones: 7-10 (long, dry autumns)
Outdoor harvest: Mid October

Yield

Indoor yield: 1.6-2 oz per sq ft
Outdoor yield: 21-25 oz per plant

Ranges are typical for this strain and vary with phenotype, environment and technique.

GG4 FAQ

Is GG4 indica or sativa?

GG4 is an indica-dominant hybrid. Consumers usually describe a happy, uplifted start followed by strong body relaxation, and the plant grows stocky and branchy before stretching in early flower.

How strong is GG4?

Our supplier reports THC around 25-28%, which puts GG4 well into high-THC territory. Lab numbers vary with phenotype, environment and harvest timing, so treat that as a typical range rather than a promise.

How long does GG4 take to flower?

Most plants finish 8 to 9 weeks after the switch to 12/12 indoors. Outdoors in the US, harvest usually lands in mid October.

How much does GG4 yield?

Indoors, a dialed-in grow can reach about 1.6 to 2 ounces per square foot. Outdoor plants in full sun can produce roughly 21 to 25 ounces each, provided the branches are supported and the fall stays dry.

Is GG4 good for beginners?

It is rated moderate to advanced, so it fits better as a second or third grow. The plant is vigorous, but you need solid odor control, a plan to support heavy branches and steady humidity management in late flower.

What does GG4 smell and taste like?

GG4 smells sharp and pungent: diesel and sour chem up front, pine in the middle and an earthy base. Caryophyllene, limonene and myrcene are the terpenes most often reported.

Can I grow GG4 outdoors in the US?

Yes, where autumns stay dry into mid October. Inland California and the Southwest are ideal and the southern Midwest works well, while humid or high-elevation areas do better with a greenhouse because the dense colas are prone to mold and frost can come early.

Is GG4 the same as Gorilla Glue?

Yes. GG4 is the same strain originally released as Gorilla Glue #4, and the breeders shortened the name to GG4. It has no connection to the adhesive brand; the old nickname simply described how sticky the resin is.

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