How to Grow Bruce Banner Autoflower
Bruce Banner Autoflower brings the famously potent Bruce Banner into a fast, easy autoflower. It is a sativa-dominant 70/30 plant with a high 21-26% THC, a diesel, earthy and sweet flavor, and a creative, energetic and relaxed effect. Compact at around 1.3 m but a heavy producer, it is a great way to grow a strong, high-yielding sativa in a short cycle and a small footprint.
This is an autoflowering 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. It keeps the fuel-forward punch and productivity of Bruce Banner, crossed with ruderalis to add the automatic flowering and quick turnaround.
Recommended Strains
Bruce Banner Autoflower
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THC | 21% - 26% (High) |
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Type | Autoflowering |
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Yield | High |
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Phenotype | 30% Indica / 70% Sativa |
Bruce Banner #3
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THC | 20% - 29% (High) |
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Type | Feminized |
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Yield | High |
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Phenotype | 50% Indica / 50% Sativa |
Fast, potent and genuinely high-yielding, Bruce Banner Autoflower is a rewarding way to grow a high-THC classic without a long season. You can see the full genetics and buy Bruce Banner Autoflower seeds on the strain page, and browse the rest of our autoflowering seeds alongside it.
Strain Profile at a Glance
| THC | High (21-26%) |
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| Lineage | (OG Kush x Strawberry Diesel) x Ruderalis |
| Type | Autoflowering (feminized) |
| Genetics | 30% Indica / 70% Sativa |
| Climate | Tropical, warm |
| Life cycle | 8-10 weeks seed to harvest |
| Harvest | All season |
| Height | 4.27 ft / 1.3 m |
| Yield indoor | 1.64-1.97 oz/ft² (500-600 g/m²) |
| Yield outdoor | 24.69 oz/plant (700 g/plant) |
| Grow difficulty | Easy, beginner-friendly |
| Flavors | Diesel, Earthy, Sweet |
| Effects | Creative, Energetic, Relaxed |
Promos & Deals
Growing an Autoflowering Strain
Bruce Banner Autoflower 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. Because the seeds are feminized, every plant grows into a flowering female, so there is no sexing and no need to remove males.
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 manageable plant of around 1.3 m that still yields heavily, which makes it one of the easiest ways to grow a big harvest of a potent sativa in a tent or a sunny spot.
Climate and Where to Grow It
Bruce Banner Autoflower suits a warm, tropical 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 500-600 g/m² in a well-managed tent, which is impressive for such a compact plant, while outdoors it can reach around 700 g per plant with full sun and room for the roots. As a sturdy, sativa-dominant auto of around 1.3 m it stays manageable, so the main job is keeping the canopy open so light and air reach the lower buds.
In a tropical climate humidity is the thing to watch, so keep it 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 plant can trap 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)
Bruce Banner Autoflower is a light-to-moderate feeder, and as an 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 diesel-and-sweet 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, Bruce Banner Autoflower 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, sticky buds on a sturdy, sativa-leaning frame, keeping the fuel-forward character of its Bruce Banner parent. Thanks to that quick, self-timed cycle you can harvest it all season.
Yields are excellent for such a compact auto: around 500-600 g/m² indoors and up to 700 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 diesel-and-sweet 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 plant, 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 diesel, earthy and sweet notes and smooths the smoke, which matters on a Bruce Banner cross where that pungent, fuel-forward character is the main attraction.
What to Do With Your Trim
Don’t bin the sugar leaves you remove while manicuring. Bruce Banner Autoflower 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, diesel-and-sweet concentrate run from material most growers would otherwise throw away.
Flavor and Terpenes
Bruce Banner Autoflower has a bold, pungent flavor: a diesel, fuel-forward top note over an earthy base with a sweet edge, carrying the strong aromatic character Bruce Banner is known for. It is a punchy, fuel-and-sweet profile, and a good cure really brings that character forward in the jar and on the inhale.
Its terpene profile shapes that character. Caryophyllene drives the peppery, fuel-like edge behind the diesel note, while myrcene lays down an earthy, slightly fruity base. Alpha-pinene brings a fresh, piney lift, and linalool adds a soft, sweet depth, with humulene and terpinolene rounding it out with earthy, fresh-herbal tones. Together they frame the diesel, earthy and sweet character Bruce Banner Autoflower is known for.
Effects and Best Use
With its high 21-26% THC and sativa-dominant 70/30 make-up, Bruce Banner Autoflower delivers a strong, lively experience. It is reported as creative, energetic and relaxed, pairing an upbeat, inspired head with an easy, settled body, so it leans to daytime and social use while still unwinding you. Because the THC runs high, it is worth starting with a moderate amount, especially if you have a lower tolerance.
That creative, energetic and relaxed profile makes it a good daytime strain, suited to staying active, focused and sociable while enjoying its pungent, fuel-forward flavor. The combination of a fast, compact auto grow, a big yield for its size and serious Bruce Banner potency is exactly why it stands out.
Common Problems and Pro Tips
The biggest thing to get right with Bruce Banner Autoflower, 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.
In a warm, tropical climate the main risk is humidity in the dense, resinous buds, so keep the air moving, hold humidity down as the flowers fill out, and defoliate a few of the largest fan leaves in mid-flower so light reaches the lower buds. At around 1.3 m it is a manageable size, and a little low-stress training early on helps keep the canopy even and supports the heavy yields.
As a pro tip, go gentle on the nutrients: autos are lighter feeders, so it is easy to overdo it, and a lighter touch keeps the diesel-and-sweet 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 Bruce Banner Autoflower an autoflowering strain?
Yes. Bruce Banner Autoflower 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. You run it under long 18 to 20 hour days from seed to harvest, with no sexing and no males to remove, which is a big part of why it is so beginner-friendly.
How much THC does Bruce Banner Autoflower have?
Bruce Banner Autoflower is a high-THC strain, testing at around 21-26%, which is strong for an autoflower and comes straight from its potent Bruce Banner parent. Combined with its sativa-dominant 70/30 genetics, the result is a creative, energetic and relaxed effect. Because the THC runs high, it is worth starting with a moderate amount if your tolerance is lower.
How long does Bruce Banner Autoflower take to grow?
Bruce Banner Autoflower 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 Bruce Banner Autoflower taste like?
Bruce Banner Autoflower has a bold, diesel-forward flavor over an earthy base with a sweet edge. Caryophyllene drives the peppery, fuel-like note, myrcene adds an earthy body, alpha-pinene a fresh pine lift, and linalool a soft sweetness. A proper three to four week cure really brings that pungent, fuel-and-sweet character forward on the inhale.
How much does Bruce Banner Autoflower yield?
Bruce Banner Autoflower is a strong producer for such a compact plant, giving around 500-600 g/m² indoors and up to 700 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, and keep an open canopy so the lower buds develop well.
Is Bruce Banner Autoflower good for beginners?
Yes. Bruce Banner Autoflower is a beginner-friendly plant: it is a manageable auto at around 1.3 m, feminized so there is no sexing, and it finishes fast in 8 to 10 weeks. Its even, predictable growth takes a lot of the guesswork out of a first grow, so with a little planning it is an easy, rewarding and high-yielding crop despite its strong potency.


