How to Grow Grandaddy x Bruce Banner Regular
Grandaddy x Bruce Banner Regular is a potent, indica-dominant regular strain prized for its citrus-and-orange flavor and heavy, resinous buds. It carries a high 25–28% THC, a citrus, fruity, orange taste, and a focused, happy, relaxed effect on a sturdy plant with elite Grandaddy Purple and Bruce Banner heritage.
Bred from Grandaddy Purple crossed with Bruce Banner (itself OG Kush x Strawberry Diesel), this is an 80% indica, 20% sativa regular strain with serious pedigree. The Grandaddy Purple side brings deep, relaxing body genetics and rich colour, while Bruce Banner adds a euphoric, diesel-edged punch and that high-octane THC, giving you a dense, frosty plant that finishes heavy and smells of citrus and fuel.
Recommended Strains
Grandaddy x Bruce Banner Regular
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THC | 25% - 28% (High) |
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Type | Regular |
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Yield | High |
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Phenotype | 80% Indica / 20% Sativa |
Bruce Banner x White Russian
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THC | 15% - 20% (Medium) |
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Type | Feminized |
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Yield | High |
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Phenotype | 65% Indica / 35% Sativa |
Because it is vigorous, resilient and seriously potent, Grandaddy x Bruce Banner Regular is a rewarding grow for growers with a little experience. You can see the full genetics and buy Grandaddy x Bruce Banner regular seeds on the strain page, and browse more of our high-THC seeds alongside it.
Strain Profile at a Glance
| THC | 25–28% (high) |
|---|---|
| Lineage | Grandaddy Purple x (OG Kush x Strawberry Diesel) |
| Type | Regular |
| Genetics | 80% Indica / 20% Sativa |
| Climate | Temperate |
| Flowering time | 8–10 weeks |
| Harvest | October |
| Height | 4.92 ft / 1.5 m |
| Yield indoor | 1.47–1.8 oz/ft² (450–550 g/m²) |
| Yield outdoor | 12.35–15.87 oz/plant (350–450 g/plant) |
| Grow difficulty | Moderate (regular seeds) |
| Flavors | Citrus, Fruity, Orange |
| Effects | Focused, Happy, Relaxed |
Promos & Deals
Climate and Where to Grow It
Grandaddy x Bruce Banner Regular does best in a temperate climate with plenty of light and good airflow. It is a vigorous, adaptable plant that performs both outdoors in a warm season and in a controlled indoor tent, reaching a medium 1.5 m, so it fits most spaces without demanding a tall room as it moves into flower.
Outdoors it finishes around October and rewards a good spot with 350–450 g per plant, while indoors it produces a strong 450–550 g/m². Those are solid numbers for a plant this manageable, but they depend on light, pot size and canopy health, so give it room and feed it steadily to reach the top of the range.
Indoors, aim for daytime temperatures around 70–82°F (21–28°C) and keep steady airflow moving through the canopy. Its dense, resin-heavy indica buds hold moisture, so keep humidity in check as flowering fills in, and give the branches a little support once the sticky, trichome-rich colas start to swell.
Working with Regular Seeds
Unlike feminized seeds, regular seeds produce both male and female plants, in roughly equal numbers, just as they occur in nature. For a bud harvest you will need to identify the sex early in flowering and remove the males before they release pollen, since only the females produce the resinous, smokable flowers.
That extra step is exactly why experienced growers and breeders value regular seeds. The males are essential if you want to make your own crosses or preserve this genetics, and many growers find that regular plants show strong, stable vigour. Plan to start more seeds than the number of female plants you ultimately want to flower.
Growing and Flipping to Flower
Grandaddy x Bruce Banner Regular is a photoperiod plant, so it flowers on a light change rather than on age. Grow it under a long day (around 18 hours of light) through the vegetative stage, then switch to a 12/12 cycle to trigger flowering. A longer veg builds a bigger frame and a heavier harvest, while a shorter veg keeps the plant more compact.
Once you flip to 12/12, this is also the point to confirm the sex of each plant and cull the males, so all your light and nutrients go to the females. As an 80% indica it stays sturdy and bushy, filling in dense, chunky, resin-coated buds through the second half of flowering rather than stretching tall.
Feeding Schedule (EC Guide)
This is a resinous, high-THC indica that sets dense, sticky buds, so feed it steadily but without overdoing it. Start low, build up as the plant asks for more, and taper right off for the final flush so the citrus-and-orange flavor comes through clean and the smoke finishes smooth.
| Stage | EC (mS/cm) | Notes |
|---|---|---|
| Seedling | 0.4–0.6 | Very light feed, focus on healthy root growth |
| Vegetative growth | 0.8–1.2 | Build the frame, raise nitrogen gradually |
| Early flower | 1.2–1.4 | Shift toward bloom nutrients (P and K) |
| Full flower | 1.4–1.6 | Peak bloom feed while the sticky buds swell |
| Flush | 0.0–0.4 | Plain water for the final 1–2 weeks |
Flowering and Harvest
Bloom runs about 8–10 weeks once you flip to 12/12, with outdoor plants finishing around October. Through the second half of flower the buds thicken and frost over, developing the heavy trichome coat that drives this strain’s high 25–28% THC and its citrus-and-fuel aroma.
Give the colas light support as they fatten, and keep the canopy open so light reaches the lower flowers. Harvest when most trichomes have turned cloudy with a few amber heads for the fullest expression, and run a short plain-water flush in the last week or two before you cut the plant down.
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 stops the dense, sticky buds staying damp in the middle while the outside dries out, which protects both the citrus-fuel aroma and the heavy resin.
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 brings the citrus, orange and fruity notes forward and smooths the smoke, which is exactly what this potent Kush-lineage strain deserves.
What to Do With Your Trim
Don’t bin the sugar leaves you remove while manicuring. Grandaddy x Bruce Banner is a frosty, resin-rich plant, so the trim is excellent for dry sift, bubble hash or rosin, giving you a bonus run of citrusy, fuel-scented concentrate from material most growers would otherwise throw away.
Flavor and Terpenes
Grandaddy x Bruce Banner has a bright, punchy profile: a zesty citrus and orange top note over a sweet, fruity body, with a subtle diesel edge inherited from the Bruce Banner side. It is a vivid, mouth-filling taste rather than a flat or earthy one, carried straight from its Grandaddy Purple and Bruce Banner parents into the cured flower.
Its terpene profile is broad, led on the flavor side by limonene and citral for the citrus and orange, myrcene for the sweet, fruity base, caryophyllene for the diesel-like peppery bite, pinene for a clean, fresh lift and terpinolene for a complex, fresh-fruity edge. Behind those sit cedrene, terpineol, borneol, cadinene, camphene, eugenol, farnesene, fenchol, humulene, nerolidol and phytol, which give the aroma its real depth.
Effects and Best Use
With its indica-dominant genetics, Grandaddy x Bruce Banner Regular is reported as focused, happy and relaxed, opening with a euphoric, upbeat lift from the Bruce Banner side before easing into the deep, comfortable body relaxation of Grandaddy Purple. That arc makes it a versatile evening strain that stays pleasant and clear-headed before settling into a mellow wind-down.
At a high 25–28% THC it is seriously potent, among the strongest in the catalogue, so newer users should go slow while experienced users will appreciate the depth and heavy resin it brings. That character, the bright citrus-orange flavor, the elite Grandaddy Purple and Bruce Banner heritage and the sturdy, generous plant are exactly why growers reach for it.
Common Problems and Pro Tips
The first thing to plan for with Grandaddy x Bruce Banner Regular is the sexing work that comes with regular seeds. Check pre-flowers at the nodes as soon as you flip to 12/12, and remove any males before they open and release pollen, since even one missed male can seed an entire tent. Starting a few extra seeds gives you room to cull and still fill your space with females.
The other thing to watch is humidity around its dense, resin-heavy indica buds. Those sticky colas trap moisture, so bud rot is the most common problem in the final weeks of flower. Keep humidity moderate through the second half of bloom, run steady airflow, and a light defoliation of the inner canopy helps air reach the thickest buds while they pack on weight.
As a pro tip, play to its high-THC potential by protecting the resin and the citrus flavor: keep the feed moderate rather than heavy, since overfeeding can mute the limonene and citral, and give it a clean plain-water flush in the final one to two weeks. Follow the trichomes rather than the calendar at the end, then dry slowly and cure for three to four weeks for the smoothest, most potent smoke.
FAQ
Are Grandaddy x Bruce Banner seeds feminized?
No, these are regular seeds, so they produce both male and female plants just as they occur in nature. You will need to identify the sex early in flower and remove the males before they release pollen, keeping only the females for buds. The males are useful if you want to breed or preserve this genetics yourself.
Is Grandaddy x Bruce Banner indica or sativa?
It is strongly indica-dominant, at roughly 80% indica and 20% sativa, from its Grandaddy Purple and Bruce Banner parents. That shows in a deep, comfortable body relaxation, while the sativa share and Bruce Banner genetics add a euphoric, focused lift, so the effect opens upbeat before settling into a mellow evening wind-down.
What does Grandaddy x Bruce Banner taste like?
It has a bright, punchy flavor: zesty citrus and orange over a sweet, fruity body with a subtle diesel edge from the Bruce Banner side. Limonene and citral drive the citrus and orange notes, myrcene adds the fruity base, and caryophyllene brings the peppery, diesel-like bite that balances all that sweetness out.
What is Grandaddy x Bruce Banner’s THC level?
Grandaddy x Bruce Banner Regular carries a high THC of 25–28%, among the strongest in the catalogue. That potency drives a focused, happy, relaxed effect that is genuinely powerful, so newer users should start with a small amount and build up slowly, while experienced users will enjoy the depth and heavy resin it delivers.
How long does Grandaddy x Bruce Banner take to flower?
About 8–10 weeks once you switch to a 12/12 light cycle, with outdoor plants finishing around October. It is a photoperiod strain, so it blooms on the light change rather than on age, thickening its buds and frosting over through the second half of flowering as the heavy trichome coat and citrus-fuel aroma develop.
How much does Grandaddy x Bruce Banner yield?
It is a generous producer for a manageable plant, giving around 450–550 g/m² indoors and 350–450 g per plant outdoors in a warm, temperate spot. Those numbers depend on light, pot size and canopy health, so give it room, support the branches, and feed it steadily through flower to reach the top of the range.
