How to Grow Blue GG4 Autoflower
Blue GG4 Autoflower is a balanced 50/50 autoflowering strain that marries the potency of GG4 with the sweet fruit of Blueberry. It runs from seed to harvest in 8–10 weeks whatever the season, so you get a sticky, flavourful, high-yielding plant from an easy, fast grow.
The strain crosses GG4 with an autoflowering Blueberry, then relies on that auto genetic to flower on age rather than on a change of light. From GG4 it inherits heavy resin and structure; from Blueberry it borrows the sweet, fruity, berry-and-pineapple aroma that defines its flavour.
Recommended Strains
Gorilla Blue Auto
|
THC | 18% - 20% (Medium) |
|
Type | Autoflowering |
|
Yield | High |
|
Phenotype | 50% Indica / 50% Sativa |
Animal Mints
|
|
THC | 22% - 24% (High) |
|
|
Type | Feminized |
|
|
Yield | Low |
|
|
Phenotype | 60% Indica / 40% Sativa |
Because it flowers on its own and forgives beginner mistakes, it sits among our beginner-friendly options. You can see the full genetics and buy Blue GG4 Auto seeds on the strain page, or compare options with find your strain.
Strain Profile at a Glance
| THC | 18–20% (Medium) |
|---|---|
| Lineage | GG4 x Auto Blueberry |
| Type | Autoflowering |
| Genetics | 50% Indica / 50% Sativa |
| Climate | Temperate |
| Life cycle | 8–10 weeks (seed to harvest) |
| Harvest | All season |
| Height | 4.92 ft / 1.5 m |
| Yield | High |
| Yield indoor | 1.47–1.64 oz/ft² (450–500 g/m²) |
| Yield outdoor | 12.35–15.87 oz/plant (350–450 g/plant) |
| Grow difficulty | Beginner-friendly |
| Flavors | Blueberry, Fruity, Pineapple |
| Effects | Euphoric, Happy, Relaxed |
Promos & Deals
Climate and Where to Grow It
Blue GG4 Autoflower suits a temperate climate with warm, dry days and mild nights. It is easy-going, but its dense, resinous buds appreciate good airflow and moderate humidity so they stay clean through the second half of the life cycle.
As an autoflower it does not wait for the season to bloom, so you can start it at almost any time of year and even fit multiple runs into a long season. Indoors it yields well for a quick auto at 450–500 g/m², and outdoors a single plant brings in a respectable 350–450 g in a pot.
Keep indoor temperatures around 68–80°F (20–27°C) and ease the humidity down as the buds fatten. A tidy, well-ventilated space is all it asks for.
Autoflower Growing Basics
With any autoflower, the key rule is that you do not switch the light schedule to trigger flowering. Blue GG4 begins to flower by itself at around 3–4 weeks of age, so run a long day of 18–20 hours of light from seedling right through to harvest.
Start the seed directly in its final pot. Autoflowers run on a fixed internal clock and dislike transplanting, so moving them mid-cycle costs growth you cannot make up in a short run. Germinate straight into the container you intend to finish in and handle the roots gently.
Keep any training light. The vegetative window is short, so skip heavy topping and use low-stress training instead, tucking and tying branches to spread the canopy evenly. Done gently, that is enough to push an auto like this into high-yielding territory.
Feeding Schedule (EC Guide)
Autoflowers are lighter feeders than photoperiod plants, so start low and build up only as the plant asks. The EC values below follow the life-cycle stages rather than a separate veg-and-bloom flip.
| Stage | EC (mS/cm) | Notes |
|---|---|---|
| Seedling | 0.4–0.6 | Very light feed, focus on healthy root growth |
| Vegetative growth | 0.8–1.2 | Weeks 2–4, raise nitrogen gently |
| Early flower | 1.2–1.4 | Shift toward bloom nutrients (P and K) |
| Full flower | 1.4–1.6 | Peak bloom feed while buds swell |
| Flush | 0.0–0.4 | Plain water for the final 1–2 weeks |
Life Cycle and Harvest
The full life cycle runs 8–10 weeks from seed to harvest. As an autoflower you harvest when the plant is ready rather than on a fixed date, so let the trichomes be your guide.
Expect vegetative growth in weeks 1–3, the automatic switch to flower around weeks 3–4, and bud development and resin through to week 8–10. The 50/50 genetics give it a middle-of-the-road structure, chunkier than a pure sativa but not as squat as a heavy indica. Harvest when most trichomes are cloudy with a touch of amber for a balanced, well-rounded effect.
Give the plant a 1–2 week plain-water flush before cutting. Because it is an all-season auto, you can time your start date so the finish lands whenever suits you.
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.
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 the sweet blueberry and pineapple notes forward and keeps the smoke smooth, so it rewards a little patience.
What to Do With Your Trim
Don’t bin the sugar leaves you remove during manicuring. Thanks to its GG4 side, Blue GG4 is a resin-heavy plant, and that frosty trim is ideal for dry sift, rosin or infused edibles, so you get a second harvest of concentrate from material most growers throw away.
Flavor and Terpenes
Blue GG4 tastes sweet and fruity, led by ripe blueberry with a tropical pineapple twist. Those fruit notes read as flavour impressions from the Blueberry side of the cross rather than from a citrus terpene, sitting on top of an earthy, resinous base.
Six terpenes shape the aroma, and because the panel is compact each one counts. Myrcene gives the earthy, fruity foundation, caryophyllene a peppery, spicy kick and humulene a woody, hoppy depth. Alpha-pinene adds a resinous pine note, linalool a soft floral edge and terpinolene a fresh, slightly fruity lift that ties the sweet side together.
Effects and Best Use
Blue GG4 Autoflower is euphoric, happy and relaxed, a balanced effect that lifts the mood while easing the body, reflecting its even 50/50 genetics.
That makes it a flexible all-rounder: upbeat enough for daytime and company, mellow enough to unwind with later. Combined with the fast life cycle and strong yield, it is an approachable pick for growers who want a sweet, potent auto without a long grow.
Common Problems and Pro Tips
Blue GG4 Autoflower is an easy, productive grow, but it is a very sticky, resin-heavy auto, so plan for the resin and the training.
- Train gently, not hard: as an autoflower it cannot recover from heavy topping, so use low-stress bending while young and start it in its final pot.
- Expect a lot of resin: its GG4 side makes it extremely sticky, so trimming scissors gum up fast and the trim is well worth saving for hash.
- Keep air moving: the dense, resinous buds hold moisture, so keep flowering humidity down and run a fan through the canopy to avoid mold.
Expert tip: the sweet blueberry and pineapple aroma sits over a heavy resin base. Dry slowly and cure in jars so that fruit character comes through over the gas.
Frequently Asked Questions
Is Blue GG4 Autoflower indica or sativa?
It is a balanced 50/50 hybrid, carrying equal indica and sativa genetics, which gives it a well-rounded effect that lifts the mood while still relaxing the body. That balance shows in the plant too, which grows a middle-of-the-road structure, so a little training keeps the canopy even and well lit.
How long is the Blue GG4 Autoflower life cycle?
About 8 to 10 weeks from seed to harvest. As an autoflower it flowers on age rather than on a light change, so the clock does not stop for mistakes, and it can be run all season. Plan your feed and training around that fixed window to get the most from it.
Do I need to change the light cycle?
No. Keep it on a long day of 18 to 20 hours of light from seedling to harvest. It starts flowering on its own at around three to four weeks, so there is no 12/12 flip to time. A steady, generous light schedule gives it the energy to build sticky, resinous buds.
Is Blue GG4 good for beginners?
Yes. It is an easy, forgiving autoflower listed among our beginner-friendly strains. Start it in its final pot to avoid transplant shock, keep any training gentle with low-stress bending rather than topping, and watch humidity through bloom. Do that and it rewards you quickly with sticky, high-yielding buds.
What does Blue GG4 taste like?
Expect sweet blueberry and tropical pineapple over an earthy, resinous base, with a fresh lift. That profile comes from its terpinolene and pinene. It is very sticky from its GG4 side, so dry slowly and cure in jars so the fruit character comes through over the heavy gas and resin.
How much does Blue GG4 Autoflower yield?
Indoors it produces 1.47 to 1.64 oz/ft² (450 to 500 g/m²), and outdoors a potted plant brings in 12.35 to 15.87 oz (350 to 450 g), which places it in the high-yield range for an auto. Keep the canopy open and humidity down so those sticky buds finish clean and heavy.
