Bruce Banner Auto by Sweet Seeds

Sweet Seeds Autoflower​

Price range: $36.00 through $120.00

Bruce Banner Auto by Sweet Seeds packs a famous Colorado lineage into a fast autoflower that finishes about 9 weeks after germination. Crossed with Gorilla Girl XL Auto, it reaches 18–25% THC and fills the room with tropical fruit, flowers and Diesel. Expect a happy, creative and long-lasting high from plants that stay at a manageable 50–110 cm (20–43 in).

🤯 THC: 18–25%
😋 Flavor: Sweet tropical fruit, floral, Diesel, earthy
🧠 Effect: Happy, stimulating, creative
🍯 Resin: Sticky, highly aromatic buds
⏱️ Seed to harvest: 9 weeks from germination

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Bruce Banner Auto takes one of the most talked-about West Coast heavyweights and squeezes it into a fast, day-neutral package. Sweet Seeds lists this seventh-generation autoflower at 18–25% THC, and the breeder notes that some plants push past that ceiling, all on a plant that goes from seed to harvest in about 9 weeks.

The draw is a loud, layered nose that drifts between tropical fruit, flowers and Diesel fuel, wrapped around an upbeat, long-lasting high. Plants top out at 50–110 cm (20–43 in), which keeps them easy to handle in a small tent or on a balcony.

Indoors, Sweet Seeds lists 400–500 g/m² (1.31–1.64 oz/ft²), while outdoor plants return 50–150 g (1.8–5.3 oz) per plant. That is serious output for a plant that never needs a change in light schedule.

Lineage: A Colorado Legend With Autoflowering Speed

The original Bruce Banner was bred in Colorado and built a reputation as one of the strongest American strains of its era. Sweet Seeds took an elite clone of that photoperiod plant and crossed it with a selected line of its own Gorilla Girl XL Auto (SWS82), a tall, productive autoflower from the breeder’s XL range.

Seven generations of autoflowering work later, the hybrid carries variety code SWS91 and a genetic split of 58.7% Sativa, 41.1% Indica and only 0.2% Ruderalis. That sliver of Ruderalis supplies the automatic flowering trigger while bud quality and potency stay firmly in modern-hybrid territory.

Aroma, Flavor and Effect

Open a jar and sweetness lands first, quickly followed by ripe tropical fruit and a bouquet of floral notes. Underneath, a sharp Diesel streak and damp earth give the profile real backbone, so it never tips over into pure candy.

On the palate the fruit stays up front while fuel and soil linger on the exhale. Think of slicing a mango in a garage where a truck has just been refueled: juicy, sweet and unmistakably gassy at the same time.

Sweet Seeds describes the effect as happy, stimulating and creative. Expect a bright, euphoric lift that gets ideas flowing and conversation moving, with enough staying power for a long creative session or an afternoon with friends.

Growing Bruce Banner Auto Indoors and Outdoors

Because it flowers on its own, Bruce Banner Auto needs no switch to 12/12. Run it under 18/6 or 20/4 from the first day to the last, and plan on roughly 9 weeks from germination to harvest. Sow straight into the final container, around 11–19 liters (3–5 gallons), to avoid transplant setbacks.

Indoors, gentle LST during the first three to four weeks opens the Sativa-leaning frame into an even canopy and helps fill the space toward 400–500 g/m² (1.31–1.64 oz/ft²). Keep feeding light early, raise it through bloom, and run a carbon filter, because the Diesel-fruit aroma travels.

Outdoors, plant after the last frost in a warm, sunny spot. The short cycle allows a spring run and a second summer run in many American climates, and vigorous plants in rich soil deliver 50–150 g (1.8–5.3 oz) per plant while staying at a discreet 50–110 cm (20–43 in).

Bruce Banner Auto Characteristics

Strain type Autoflowering (feminized)
Variety code SWS91
Genetics Bruce Banner (elite clone) × Gorilla Girl XL Auto (SWS82)
Indica/Sativa 41.1% Indica / 58.7% Sativa / 0.2% Ruderalis
THC 18–25%
CBD 0.1%
Effect Happy, stimulating, creative
Aroma/Flavor Sweet, earthy, tropical fruit, fruity, floral, Diesel
Indoor yield 400–500 g/m² (1.31–1.64 oz/ft²)
Outdoor yield 50–150 g/plant (1.8–5.3 oz/plant)
Seed to harvest 9 weeks from germination
Height 50–110 cm (20–43 in)
Best cultivation technique Early LST, light defoliation, no late topping

FAQ

Is Bruce Banner Auto Indica or Sativa?

It leans Sativa. Sweet Seeds lists 58.7% Sativa, 41.1% Indica and 0.2% Ruderalis, which shows in its uplifting, creative effect and fairly open branching.

How strong is Bruce Banner Auto?

THC is listed at 18–25%, and the breeder notes that some plants go even higher. CBD sits around 0.1%, so the experience is clearly THC-driven.

How long does Bruce Banner Auto take from seed to harvest?

About 9 weeks from germination, indoors and outdoors. As an autoflower it blooms on its own, so it can stay under 18/6 or 20/4 light for the whole run.

How tall does Bruce Banner Auto grow?

Plants reach 50–110 cm (20–43 in), which makes it a comfortable fit for a small tent, a closet setup or a balcony.

What does Bruce Banner Auto smell like?

Sweet and fruity up front, with tropical fruit and flowers, then a Diesel kick and an earthy base that keep the nose punchy.

Do Sweet Seeds packs include free seeds?

Yes. Every 3-seed pack of Bruce Banner Auto ships with 1 free bonus seed, and every 5-seed pack ships with 2 free bonus seeds, so you end up with 4 or 7 seeds in total. The 25-seed pack is sold as a straight 25 seeds with no bonus added.

Additional information

Autoflower Harvest Time: No selection

8 to 10 weeks

CBD: No selection

Low CBD (0-1%)

Flowering Type: No selection

Autoflowering

Genetics: No selection

Indica / Sativa hybrid

Lineage: No selection

Bruce Banner x Gorilla Girl XL Auto®

Plant Height: No selection

Short

Strain type: No selection

Feminized

Taste: No selection

Earthy, Floral, Fruity

THC: No selection

Very High THC (25%+)

Yield Indoor: No selection

High Yield

Yield Outdoor: No selection

Modest Yield

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