How to Grow Sugar Haze Regular
Sugar Haze Regular is a potent, sativa-dominant regular strain prized for its uplifting, energetic high and resinous, THC-rich buds. It carries a high 21–31% THC, a diesel, spicy and sweet flavor, and a happy, relaxed, uplifted effect on a tall, vigorous plant with classic Haze heritage.
Bred from Santa Marta crossed with Haze, Sugar Haze Regular is a 70% sativa, 30% indica regular strain rooted in the Dutch seed scene of the early 2000s. The Santa Marta side brings resilient, high-altitude Colombian genetics, while the Haze line adds a soaring, cerebral high and a long, resinous flowering, with Super Silver Haze, Early Skunk and Northern Lights in the wider family.
Recommended Strains
Sugar Haze Regular
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THC | 21% - 31% (High) |
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Type | Regular |
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Yield | Medium |
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Phenotype | 30% Indica / 70% Sativa |
Sugar Haze Fast Version
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THC | 23% - 25% (High) |
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Type | Feminized |
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Yield | High |
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Phenotype | 40% Indica / 60% Sativa |
Because it is vigorous, resilient and seriously potent, Sugar Haze Regular is a rewarding grow for those with a little experience. You can see the full genetics and buy Sugar Haze regular seeds on the strain page, and browse more of our high-THC seeds alongside it.
Strain Profile at a Glance
| THC | 21–31% (high) |
|---|---|
| Lineage | Santa Marta x Haze |
| Type | Regular |
| Genetics | 70% Sativa / 30% Indica |
| Climate | Dry / warm |
| Flowering time | 8–10 weeks |
| Harvest | October |
| Height | 4.92 ft / 1.5 m |
| Yield indoor | 1.31–1.47 oz/ft² (400–450 g/m²) |
| Yield outdoor | 14.11–21.16 oz/plant (400–600 g/plant) |
| Grow difficulty | Moderate (regular seeds) |
| Flavors | Diesel, Spicy, Sweet |
| Effects | Happy, Relaxed, Uplifted |
Promos & Deals
Climate and Where to Grow It
Sugar Haze Regular does best in a warm, dry climate with plenty of sun, good airflow and room to stretch. It is a vigorous, hardy plant, and as a 70% sativa it leans tall, reaching around 1.5 m with narrow leaves and long, resinous colas, so plan for some vertical space or firm height control.
Outdoors it finishes around October and rewards a sunny spot with 400–600 g per plant, while indoors it produces a solid 400–500 g/m². Those are respectable sativa numbers, but they depend on light, space and training, so give it room and manage the stretch to get the most from it.
Indoors, aim for daytime temperatures around 70–82°F (21–28°C) and keep steady airflow moving through the canopy. A drier room suits its Haze genetics and long, resin-coated buds, so keep humidity in check late in flower and train the plant to keep the tall canopy even.
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 Sugar Haze’s classic Haze genetics, and many growers find 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
Sugar Haze 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. With a tall sativa like this, a shorter veg helps keep the plant manageable indoors before the flowering stretch.
Once you flip to 12/12, this is also the moment to confirm the sex of each plant and cull the males, so all your light and nutrients feed the females. Expect a strong sativa stretch in the first few weeks of flower, so set your plant height and training with that in mind from the start.
Feeding Schedule (EC Guide)
This is a vigorous, high-THC sativa that sets long, resinous colas, 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 diesel, spicy and sweet notes come 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 colas 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. As a 70% sativa it stretches hard early in flower and fills in long, resin-coated colas through the second half of bloom, developing the heavy trichome coat that drives its high 21–31% THC.
Give the long colas 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 resinous buds staying damp in the middle while the outside dries out, which protects both the diesel-sweet 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 diesel, spicy and sweet notes forward and smooths the smoke, which is exactly what this potent Haze-lineage strain deserves.
What to Do With Your Trim
Don’t bin the sugar leaves you remove while manicuring. Sugar Haze Regular is a resin-rich plant, so the trim is excellent for dry sift, bubble hash or rosin, giving you a bonus run of diesel-sweet concentrate from material most growers would otherwise throw away.
Flavor and Terpenes
Sugar Haze Regular has a bold, complex profile: a pungent diesel punch over a warm, spicy base, finished with a sweet, sugary note that gives the strain its name. It is a punchy, savoury-sweet taste rather than a fruity one, carried straight from its Santa Marta and Haze parents into the cured flower, and it is a big part of its appeal.
Its terpene profile is led by caryophyllene, which drives the diesel-like peppery spice, with myrcene adding a soft base, terpinolene a fresh, classic Haze lift, p-cymene a warm, spicy-herbal edge, pinene a clean, sharp top note and linalool a soft touch that rounds out the sweetness, with nerolidol in support. Together they frame the diesel-spice-and-sugar character of the strain.
Effects and Best Use
With its sativa-dominant genetics, Sugar Haze Regular is reported as happy, relaxed and uplifted, a bright, cerebral high that boosts mood, energy and creativity while keeping the mind clear. It leans toward a mild physical relaxation underneath, so it stays functional and sociable, making it a strong day-time choice for creative work or an active afternoon.
At a high 21–31% THC it is seriously potent, among the strongest in the catalogue, so newer users should go slow while experienced users will appreciate the bright lift and heavy resin it brings. That character, the bold diesel-sweet flavor, the classic Haze heritage and the tall, vigorous plant are exactly why growers reach for Sugar Haze.
Common Problems and Pro Tips
The first thing to plan for with Sugar Haze 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 sativa stretch and height are the other things to manage. This plant stretches hard in early flower and leans tall, so it is easy to run out of vertical room indoors. Top it or run a ScrOG net early, train the long branches, and keep the canopy even so light reaches the lower colas and they fill out rather than staying airy.
As a pro tip, respect its very high THC and protect the diesel-sweet flavor: keep the feed moderate rather than heavy, since overfeeding can mute the terpenes, and give it a clean plain-water flush in the final one to two weeks. Keep the room on the drier side late in flower to protect the long buds, and follow the trichomes rather than the calendar for the smoothest, most potent finish.
FAQ
Are Sugar Haze 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 Sugar Haze’s Haze genetics yourself.
Is Sugar Haze indica or sativa?
Sugar Haze Regular is sativa-dominant, at roughly 70% sativa and 30% indica, from its Santa Marta and Haze parents. That shows in a bright, energetic cerebral high that boosts mood and creativity, with a mild physical relaxation underneath, so it works best for day-time or social use rather than a heavy evening wind-down.
What does Sugar Haze taste like?
It has a bold, complex flavor: a pungent diesel punch over a warm, spicy base with a sweet, sugary finish that gives it its name. Caryophyllene drives the diesel-like pepper, p-cymene adds a spicy-herbal edge, and linalool and myrcene round out the sweetness, all carried from its Santa Marta and Haze heritage.
What is Sugar Haze’s THC level?
Sugar Haze Regular carries a high THC of 21–31%, among the strongest strains in the catalogue. That potency drives a happy, relaxed, uplifted effect that is genuinely powerful, so newer users should start with a small amount and build up slowly, while experienced users will enjoy the bright lift and heavy resin it delivers.
How long does Sugar Haze 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, stretching hard early then filling in long, resin-coated colas through the second half of flowering as the trichomes build up.
How much does Sugar Haze Regular yield?
It is a solid, medium producer, giving around 400–450 g/m² indoors and 400–600 g per plant outdoors in a warm, dry spot. Those numbers depend on light, space and managing its height, so give it room, train it early with a ScrOG net, and feed it steadily through flower to reach the top of the range.
