How to Grow GG4 Fast Version
GG4 Fast Version is a feminized, fast-flowering 60% sativa-leaning hybrid, built by crossing the legendary GG4 with fast-flowering genetics. It keeps the resin-drenched, sticky buds the line is famous for, but finishes in just 6 to 8 weeks. With a medium 19 to 22% THC and a rich chocolate flavor, it delivers a creative, euphoric and relaxed experience on a turbocharged schedule. This guide takes you from germinating the seeds to the final cure.
It stays a manageable height of up to 1.2 m, suits a temperate climate, and can be run all season thanks to its speed. Resilient and vigorous, it is a genuinely beginner-friendly plant that still rewards experienced growers with a heavy harvest.
Recommended Strains
GG4 Fast Version
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THC | 19% - 22% (Medium) |
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Type | Feminized |
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Yield | High |
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Phenotype | 40% Indica / 60% Sativa |
GG4
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THC | 27% (High) |
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Type | Feminized |
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Yield | High |
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Phenotype | 40% Indica / 60% Sativa |
GG4 Fast Version at a Glance
Before you plant anything, it helps to see the full picture in one place. Here is the quick profile for this fast, resinous, chocolate-flavored sativa hybrid, taken straight from the strain’s grow data.
| Seed type | Feminized, Fast Version (photoperiod) |
|---|---|
| Genetics | GG4 x fast-flowering genetics |
| Phenotype | 40% Indica / 60% Sativa |
| THC | 19–22% (medium) |
| Flowering time | 6–8 weeks |
| Harvest | All season |
| Height | up to 3.94 ft (1.2 m) |
| Yield indoor | 1.64–1.97 oz/ft² |
| Yield outdoor | 21.16–28.22 oz/plant |
| Difficulty | Easy, beginner-friendly |
| Climate | Temperate |
| Flavor | Chocolate |
| Effects | Creative, euphoric, relaxed |
These are feminized fast-flowering seeds, so they finish early while staying a photoperiod plant you flip to bloom. Its 60% sativa lean places it among the sativa seeds, while its strong harvest earns a spot with the high-yielding seeds. Resilient and forgiving, it also sits comfortably with the best beginner seeds for a first grow.
Promos & Deals
How to Germinate GG4 Fast Version Seeds
A healthy harvest starts at germination. The paper towel method is hard to beat: fold the GG4 Fast Version seeds inside two damp sheets, slide them between two plates, and keep them somewhere dark and warm at 70 to 90°F. A taproot usually appears within one to five days.
Once the taproot is a few millimeters long, move each seed root-down about 1 cm deep into a small pot of light, airy medium. Keep it lightly moist rather than soaked, use water with a pH around 5.5 to 7, and give soft light while the first true leaves open. Its vigorous, resin-heavy genetics make for a strong, dependable seedling.
Starter tips
- Use plain, lightly pH-balanced water for the first week.
- Keep seedlings warm and humid, but never waterlogged.
- Hold off on nutrients until the second set of serrated leaves appears.
Growing GG4 Fast Version in the Vegetative Stage
As a photoperiod plant, you control the veg stage with the light schedule. Keep GG4 Fast Version on an 18/6 cycle (18 hours of light, 6 of dark) for as long as you want it to grow, aim for day temperatures of 68 to 79°F, and hold humidity around 50 to 60%. It suits a temperate climate, so steady, moderate conditions work in its favor. During veg it is hungry for nitrogen to fuel strong, leafy growth.
This is the stage to shape the plant. Because GG4 Fast Version responds so well to training, topping early and using low-stress training to spread the lower branches opens up the canopy, improves airflow, and lifts the yield. At up to 1.2 m it stays manageable, so a little training keeps the canopy even and light reaching the inner buds.
Its compact, sturdy build and fast finish make it a strong plant both indoors and out:
- Short-summer outdoor plots: its speed lets you start in late spring and harvest before the heavy autumn rains, a real edge in cooler regions.
- Mediterranean-style gardens: steady warmth and good airflow let it stack its dense, resinous buds quickly.
- Indoor tents: at around 1.2 m it stays tidy under lights, and its fast turnaround suits back-to-back cycles.
Flowering and Buds of GG4 Fast Version
Even though it is bred from fast-flowering genetics, GG4 Fast Version is a photoperiod plant, not an autoflower. To start flowering you switch the lights to a strict 12/12 cycle, and from there the flowering time is a quick 6 to 8 weeks. As a sativa-leaning hybrid it stretches a little after the flip, then focuses on packing on dense, resinous, trichome-heavy buds.
Through bloom, drop humidity to around 40 to 50% and keep air moving so the tight flowers do not trap moisture. Switch to a bloom feed higher in phosphorus and potassium to support that fast, heavy flower production. The buds build the classic, rich chocolate character the GG4 line is known for.
At 19 to 22% THC it sits in the medium range, giving a creative, euphoric and relaxed effect, a balanced, versatile feel that works for unwinding or for daytime use.
Common Problems and Pro Tips
GG4 Fast Version is a forgiving, beginner-friendly grow, but its dense buds and loud aroma point to a few things worth watching.
- Bud rot in dense colas: its tight, resinous flowers can trap humidity, so keep a fan moving and humidity below 50% late in flower.
- Control the smell: it carries the pungent GG4 nose, so a carbon filter is close to essential indoors if odor matters.
- Support heavy branches: it packs on weight fast, so stake or trellis the branches before the buds pull them down.
Expert tip: do not rush the fast finish. Watch the trichomes rather than the calendar, and dry and cure slowly so the rich chocolate flavor and resinous punch hold up.
Aroma, Flavor and Effects
The flavor is the headline here: a rich, sweet chocolate note that carries the unmistakable depth of the GG4 lineage. It is a smooth, dessert-like profile, grounded by the resinous, gassy character the family is famous for.
On the effect side it is creative, euphoric and relaxed, a balanced, sativa-leaning feel with a clear, uplifting lift over a calm body. Because THC runs a medium 19 to 22%, it stays versatile and approachable rather than overwhelming, which is part of why it suits newer growers.
Dominant terpenes
GG4 Fast Version carries an earthy, spicy terpene profile that frames its chocolate flavor. Myrcene lays down a soft, musky, earthy base, Caryophyllene adds a warm, peppery spice, and Humulene a dry, hoppy, woody depth. Pinene brings a sharp pine lift, Terpinolene a fresh, herbal brightness, and Linalool a soft floral touch that rounds out the sweet, chocolatey finish.
Nutrient Schedule
Treat the figures below as a starting map, not a rulebook. As a vigorous, high-yielding hybrid GG4 Fast Version is a steady feeder, so read the plant first: tip burn means back off, while pale, slow growth means it wants a little more. All values use EC.
| Stage | EC |
|---|---|
| Seedling | 0.4–0.6 |
| Growth | 0.8–1.2 |
| Early flower | 1.2–1.4 |
| Full flower | 1.4–1.6 |
| Flush | 0.0–0.4 |
Keep the pH around 6.0 to 6.5 in soil and 5.5 to 6.0 in hydro so the roots can actually take up what you feed.
What to Do With Your Trim: Extracts and Hash
GG4 Fast Version builds a heavy coat of resin, so its trim is well worth keeping rather than tossing. The frosty sugar leaves you take off while manicuring hold trichomes and suit Ice Water Hash, where cold water and agitation separate the resin heads into a clean, solventless concentrate. Pressing that hash into rosin keeps the rich chocolate flavor intact, and with this strain’s dense, frosty buds you can make truly top-shelf old-school hash. The bare stems will not extract, but chopped and composted they feed organic matter back into the soil for your next grow.
Harvesting, Drying and Curing GG4 Fast Version
Timing the harvest comes down to the trichomes. Grab a loupe and watch the heads turn from clear to milky white; a scattering of amber signals peak ripeness for a balanced effect. Indoors this lands 6 to 8 weeks after the flip, and its all-season speed means outdoor plants finish early.
After the cut, hang the branches in a dark room at 59 to 68°F with humidity near 45 to 55% and gentle air movement. Slow beats fast: drying over 7 to 14 days protects the chocolate aroma that defines this strain. When the small stems snap instead of bending, move the buds into jars.
Cure in sealed glass, opening the jars daily for the first couple of weeks to let moisture escape, then easing off as the aroma deepens. Two to four weeks of patience here is where the rich, chocolatey depth really comes together, and it is the step most growers rush.
Frequently Asked Questions
Is GG4 Fast Version an autoflower?
No. GG4 Fast Version is a fast-flowering photoperiod strain, not an autoflower. It was bred with fast-flowering genetics to finish quickly, but you still trigger bloom yourself by switching the lights to a 12/12 cycle. The speed is the point; the control over when it flowers stays with you.
How long does GG4 Fast Version take to flower?
GG4 Fast Version flowers in a quick 6 to 8 weeks once you switch it to a 12/12 light cycle indoors. That fast turnaround is its whole appeal, and its all-season nature means outdoor growers in shorter summers can harvest early, before the heavy autumn rains arrive.
How strong is GG4 Fast Version?
GG4 Fast Version has a THC level of 19 to 22%, which sits in the medium range. The effect is creative, euphoric and relaxed, a balanced, versatile feel that works for unwinding or for daytime use. It is approachable rather than overwhelming, which is part of its wide appeal.
Is GG4 Fast Version good for beginners?
Yes. GG4 Fast Version is resilient, vigorous and forgiving, and its fast flowering time means less time for things to go wrong. That combination makes it one of the more beginner-friendly ways to grow a GG4 plant, while still rewarding experienced growers with a heavy, resinous harvest.
How much does GG4 Fast Version yield?
GG4 Fast Version is high-yielding. Indoors it gives around 1.64 to 1.97 oz/ft², and outdoors a plant reaches roughly 21.16 to 28.22 oz in good conditions. An even canopy, light training and strong light are what help its dense, resinous buds fill out to their full potential.
What does GG4 Fast Version taste like?
GG4 Fast Version leads with a rich, sweet chocolate flavor that carries the depth of its GG4 lineage, grounded by a resinous, gassy character. Both the aroma and flavor deepen noticeably as the buds dry and cure slowly after harvest, so give that final step the time it deserves.
