How to Grow GG4 Autoflower F1
GG4 Autoflower F1 is a potent, compact autoflower that brings the famous GG4 into a fast, uniform F1 hybrid. It is a 60/40 sativa-leaning plant with a high 24-28% THC, a fruity, pine and spicy flavor, and a happy, relaxed and talkative effect. Small, hardy and resinous, it packs serious GG4 potency into an easy, beginner-friendly plant that stays around a metre tall.
This is an autoflowering F1 strain, so it flowers on its own with age rather than on a change in the light cycle, running from seed to harvest in about 8 to 10 weeks. The seeds are feminized, so every plant grows into a flowering female and you never have to identify the sex or remove males. Bred as a fresh first-generation F1 cross, it also shows strong hybrid vigor and very uniform plants, with a compact, resinous structure.
Recommended Strains
GG Autoflower F1
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THC | 24% - 28% (High) |
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Type | Autoflowering F1 |
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Yield | High |
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Phenotype | 40% Indica / 60% Sativa |
GG4 x Z OG
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THC | 20% - 24% (High) |
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Type | Feminized |
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Yield | High |
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Phenotype | 60% Indica / 40% Sativa |
Compact, strong and even, GG4 Autoflower F1 is a rewarding way to grow a high-THC classic as a modern autoflower. You can see the full genetics and buy GG4 Autoflower F1 seeds on the strain page, and browse the rest of our autoflowering seeds alongside it.
Strain Profile at a Glance
| THC | High (24-28%) |
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| Lineage | GG4 Autoflower F1 x GG4 |
| Type | Autoflowering F1 (feminized) |
| Genetics | 40% Indica / 60% Sativa |
| Climate | Temperate, warm |
| Life cycle | 8-10 weeks seed to harvest |
| Harvest | All season |
| Height | 3.28 ft / 1 m |
| Yield indoor | 1.31-1.97 oz/ft² (400-600 g/m²) |
| Yield outdoor | 7.05-10.58 oz/plant (200-300 g/plant) |
| Grow difficulty | Easy, beginner-friendly |
| Flavors | Fruity, Pine, Spicy |
| Effects | Happy, Relaxed, Talkative |
Promos & Deals
Growing an Autoflowering F1 Strain
GG4 Autoflower F1 flowers automatically with age rather than in response to the light cycle, so it does not need a switch to 12/12 to start flowering. It begins on its own after a few weeks and runs from seed to harvest in about 8 to 10 weeks, under long days of 18 to 20 hours of light the whole way through. Being an F1, a fresh first-generation cross, it also shows strong hybrid vigor and grows into very uniform plants, so a batch tends to come up even and predictable.
Because the life cycle is fixed, the plan matters more than with a photoperiod plant: you cannot veg it longer to make it bigger, so start it in its final pot, keep any training light, and avoid stress so it uses its short life to build buds. In return you get a very compact plant of around 1 m, which makes it one of the easiest ways to grow a GG4-based plant in a small tent or tight space.
Climate and Where to Grow It
GG4 Autoflower F1 does well in a warm, temperate or Mediterranean-style climate with plenty of sun, steady warmth and good airflow. Because it is an autoflower, it is not tied to the seasons: it finishes on its own short timer, so you can run it all season and even fit more than one cycle into a warm year.
It performs well indoors and out. Indoors it returns a strong 400-600 g/m² in a well-managed tent, which is impressive for such a small plant, while outdoors it gives 200-300 g per plant. As a compact, slightly sativa-leaning auto of only around 1 m it stays small and discreet, so the main job is keeping the canopy open so light and air reach the lower buds.
Keep humidity under control through flowering to protect the resinous buds: around 55-60% early on, nearer 40-45% as the flowers fill out, and lower toward harvest. A very high-THC, resinous auto can hold moisture inside its sticky buds, so steady airflow and sensible humidity keep the finish clean. Aim for daytime temperatures around 72-82°F (22-28°C), which this warm-climate plant enjoys.
Feeding Schedule (EC Guide)
GG4 Autoflower F1 is a light-to-moderate feeder, and as a small autoflower it pays to go gently: build nutrients up slowly and let the plant set the pace, since there is no long veg to recover from mistakes. Feed it through its cycle, then taper off for the final flush so the fruity, piney flavor comes through clean and the smoke finishes smooth. The ranges below are a starting guide; adjust to your water and medium.
| Stage | EC (mS/cm) | Notes |
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| Seedling | 0.4-0.6 | Very light feed while roots establish |
| Early growth | 0.8-1.2 | Raise nitrogen as the plant builds size |
| Early flower | 1.2-1.4 | Shift toward bloom nutrients (P and K) |
| Full flower | 1.4-1.6 | Peak bloom feed while the buds swell |
| Flush | 0.0-0.4 | Plain water for the final 1-2 weeks |
Flowering and Harvest
Because it is an autoflower, GG4 Autoflower F1 starts flowering on its own after a few weeks of growth and runs from seed to harvest in about 8 to 10 weeks, with no light-cycle change needed. It fills out with dense, resinous, very sticky buds on a short, compact frame, and its F1 uniformity means a batch tends to ripen together. Thanks to that quick, self-timed cycle you can harvest it all season.
Yields are excellent for such a small auto: around 400-600 g/m² indoors and 200-300 g per plant outdoors with good sun and space. Give it a little gentle training so the lower buds get light, feed it lightly through its cycle, and harvest when most of the trichomes have turned cloudy for the fullest fruity-piney flavor and the best of its high THC.
Drying and Curing
Dry whole plants or branches in a dark room at around 60°F (15-18°C) and 55-60% humidity for 7-14 days, until the thin stems snap rather than bend. A slow, even dry is important with such a resinous, high-THC auto, because its sticky buds can stay damp in the middle while the outside dries, and a gentle dry protects both the aroma and the trichomes.
Then cure the trimmed buds in sealed jars, burping them daily for the first week and letting them settle for three to four weeks. A proper cure is what brings out the fruity, pine and spicy notes and smooths the smoke, which matters on a GG4 cross where that sticky, resinous character is the main attraction.
What to Do With Your Trim
Don’t bin the sugar leaves you remove while manicuring. GG4 Autoflower F1 is an extremely resinous, trichome-heavy plant, so its trim works especially well for dry sift, bubble hash or rosin. Given its very high THC and heavy resin, that trim makes for a strong, fruity-and-piney concentrate run from material most growers would otherwise throw away.
Flavor and Terpenes
GG4 Autoflower F1 has a bold, moreish flavor: a fruity top note over a piney, spicy base, carrying the resinous character its GG4 side is known for. It is a punchy, fruity-and-spicy profile, and a good cure really brings that character forward in the jar and on the inhale.
Its terpene profile shapes that character. Myrcene lays down a ripe, fruity base, while caryophyllene adds the warm, peppery spice behind the flavor. Alpha-pinene brings the fresh, piney edge, and humulene and terpinolene round it out with earthy and fresh-herbal notes. Together they frame the fruity, pine and spicy character GG4 Autoflower F1 is known for.
Effects and Best Use
With its high 24-28% THC and slightly sativa-leaning 60/40 make-up, GG4 Autoflower F1 delivers a strong, well-rounded experience. It is reported as happy, relaxed and talkative, pairing a cheerful, sociable head with an easy, settled body, so it is versatile from the afternoon into the evening. Because the THC runs high, it is worth starting with a moderate amount, especially if you have a lower tolerance.
That happy, relaxed and talkative profile makes it a good social strain, well suited to unwinding with friends or simply enjoying its punchy flavor. The combination of a fast, compact auto grow, a big yield for its size and serious GG4 potency is exactly why it stands out.
Common Problems and Pro Tips
The biggest thing to get right with GG4 Autoflower F1, as with any autoflower, is the planning: because its life cycle is fixed and fairly short, you cannot veg it longer to fix a slow start. Start it in its final pot to avoid transplant stress, keep any training light, and do not let early problems linger, since the plant has little spare time to recover before it flowers.
Its small size and F1 uniformity make it easy to manage, but it still benefits from a tidy canopy: keep the air moving, hold humidity down as the sticky buds fill out, and defoliate a few of the largest fan leaves in mid-flower so light reaches the lower buds. A multi-plant run is simple here, since the plants grow at a similar pace.
As a pro tip, go gentle on the nutrients: autos are smaller, lighter feeders, so it is easy to overdo it with a compact plant like this, and a lighter touch keeps the fruity-piney flavor clean. Finish with a plain-water flush and a full three to four week cure, and start with a moderate amount given its high THC.

FAQ
Is GG4 Autoflower F1 an autoflowering strain?
Yes. GG4 Autoflower F1 is an autoflowering, feminized strain, so it flowers on its own with age rather than needing a switch to a 12/12 light cycle, and every seed grows into a flowering female. Being an F1, a fresh first-generation cross, it also grows into very uniform, vigorous plants. You run it under long 18 to 20 hour days from seed to harvest, with no sexing needed.
How much THC does GG4 Autoflower F1 have?
GG4 Autoflower F1 is a high-THC strain, testing at around 24-28%, which is strong for an autoflower and comes straight from its GG4 parent. Combined with its slightly sativa-leaning 60/40 genetics, the result is a happy, relaxed and talkative effect. Because the THC runs high, it is worth starting with a moderate amount if your tolerance is lower.
How long does GG4 Autoflower F1 take to grow?
GG4 Autoflower F1 runs from seed to harvest in about 8 to 10 weeks, since as an autoflower it starts flowering on its own after a few weeks rather than waiting for a light-cycle change. That quick, self-timed cycle means you can grow it all season and even fit more than one run into a warm year, which is one of the main appeals of an auto.
What does GG4 Autoflower F1 taste like?
GG4 Autoflower F1 has a bold flavor: a fruity top note over a piney, spicy base, with the resinous character of its GG4 side. Myrcene carries the fruity body, caryophyllene the peppery spice, alpha-pinene the fresh pine, and humulene and terpinolene round it out. A proper three to four week cure really brings that fruity-and-spicy character forward.
How much does GG4 Autoflower F1 yield?
GG4 Autoflower F1 is a strong producer for such a small plant, giving around 400-600 g/m² indoors and 200-300 g per plant outdoors with good sun and space. Results depend on light, pot size and canopy health, so start it in its final pot, feed it lightly through its cycle, and keep an open canopy so the lower buds develop well.
Is GG4 Autoflower F1 good for beginners?
Yes. GG4 Autoflower F1 is a beginner-friendly plant: it is a very compact auto at around 1 m, feminized so there is no sexing, and it finishes fast in 8 to 10 weeks. Its F1 uniformity means the plants grow evenly and predictably, which takes a lot of the guesswork out of a first grow, so with a little planning it is an easy, rewarding crop.


