How to Grow White Widow Regular
White Widow Regular is a legendary, sativa-leaning regular strain prized for its frosty, white-coated buds and a bright, uplifting high. It carries a high 18–24% THC, a fruity, hashish, herbal and sweet flavor, and a happy, relaxed, uplifted effect on a vigorous, resinous plant with classic 1990s Dutch heritage.
Bred from an Indian indica crossed with a Brazilian sativa, White Widow Regular is a 60% sativa, 40% indica regular strain that earned worldwide fame after winning the High Times Cannabis Cup in 1995. Those two landrace parents give it a balanced, resin-heavy profile: an energetic, cerebral lift from the Brazilian side, grounded by a mild body relaxation from the Indian indica.
Recommended Strains
White Widow Regular
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THC | 18% - 24% (High) |
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Type | Regular |
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Yield | High |
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Phenotype | 40% Indica / 60% Sativa |
White Widow Fast Version
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THC | 15% - 20% (Medium) |
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Type | Fast Flowering |
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Yield | Medium |
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Phenotype | 60% Indica / 40% Sativa |
Because it is hardy, vigorous and famously frosty, White Widow Regular is a rewarding grow for growers with a little experience. You can see the full genetics and buy White Widow regular seeds on the strain page, and browse more of our sativa seeds alongside it.
Strain Profile at a Glance
| THC | 18–24% (high) |
|---|---|
| Lineage | Indian x Brazilian |
| Type | Regular |
| Genetics | 60% Sativa / 40% Indica |
| Climate | Tropical / warm |
| Flowering time | 8–10 weeks |
| Harvest | October |
| Height | 4.92 ft / 1.5 m |
| Yield indoor | 1.97–2.29 oz/ft² (600–700 g/m²) |
| Yield outdoor | 19.4–21.16 oz/plant (550–600 g/plant) |
| Grow difficulty | Moderate (regular seeds) |
| Flavors | Fruity, Hashish, Herbal, Sweet |
| Effects | Happy, Relaxed, Uplifted |
Promos & Deals
Climate and Where to Grow It
White Widow Regular does best in a warm, tropical climate with plenty of light and good airflow. It is a hardy, adaptable plant that performs both outdoors in a warm season and in a controlled indoor tent, reaching a medium 1.5 m, though as a sativa-leaning plant it will stretch noticeably when you flip to flower, so plan for that extra height.
Outdoors it finishes around October and rewards a good spot with 550–600 g per plant, while indoors it is a heavy producer at 600–700 g/m². Those are strong numbers that reflect its vigour, but they depend on light, pot size and canopy health, 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. Its famously frosty, resin-coated buds hold moisture, so keep humidity in check as flowering fills in, and support the longer sativa branches as the colas develop their white trichome coat.
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 White Widow’s classic genetics, and many growers find regular plants show strong, stable vigour. If you would rather skip sexing, the feminized White Widow is the easier route; otherwise, plan to start more seeds than the number of females you want to flower.
Growing and Flipping to Flower
White Widow 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 helps manage the sativa stretch in a small space.
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 noticeable sativa stretch in the first couple of weeks of flower, so set your plant height with that in mind and start any training early.
Feeding Schedule (EC Guide)
This is a vigorous, resinous plant that sets dense, frosty 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 fruity, herbal and hashish 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 frosty 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 pack on weight and develop the thick, white trichome coat that gives White Widow its name and drives its high 18–24% Skunk-lineage potency.
Give the longer 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, frosty buds staying damp in the middle while the outside dries out, which protects both the herbal-hashish aroma and the heavy white 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 fruity, herbal and sweet notes forward and smooths the smoke, which is exactly what this cup-winning classic deserves after a full grow cycle.
What to Do With Your Trim
Don’t bin the sugar leaves you remove while manicuring. White Widow is famously frosty and resin-rich, which is where its name comes from, so the trim is excellent for dry sift, bubble hash or rosin, giving you a bonus run of herbal, hashish-scented concentrate from material most growers would otherwise throw away.
Flavor and Terpenes
White Widow Regular has a classic, old-school profile: an earthy, herbal and hashish-like base lifted by a soft fruity sweetness. It is a smooth, resinous taste rather than a loud or fruity-sweet one, carried straight from its Indian and Brazilian landrace parents into the cured flower, and it is a big part of why the strain has stayed popular for decades.
Its terpene profile is led by pinene for a fresh, herbal top note and caryophyllene for the peppery, hashish-like spice, with humulene and guaiol adding earthy, woody depth, isopulegol a cool, minty-herbal edge and neryl acetate a soft fruity-sweet lift. Together they give White Widow its signature earthy, herbal character rather than a sharp citrus or candy flavor.
Effects and Best Use
With its sativa-leaning genetics, White Widow Regular is reported as happy, relaxed and uplifted, opening with an energetic, cerebral lift that boosts mood, focus and creativity before easing into a mild, pleasant body relaxation. That balance makes it a versatile day-time or social strain that keeps you productive and clear-headed rather than heavy.
At a high 18–24% THC it is genuinely potent, so newer users should start low and build up, while experienced users will enjoy the bright lift and heavy resin it brings. That character, the earthy-herbal flavor, the legendary 1990s heritage and the vigorous, frosty plant are exactly why growers still reach for White Widow.
Common Problems and Pro Tips
The first thing to plan for with White Widow 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 is the other thing to manage. This plant can nearly double in height in early flower, so it is easy to run out of vertical room indoors. Top it or run a ScrOG net early, train the longer branches, and set your veg length with the stretch in mind so the canopy stays even and the lower buds still get light.
As a pro tip, play to its famous resin: those frosty, trichome-heavy buds hold moisture, so keep humidity in check through late flower and run steady airflow to avoid bud rot. Keep the feed moderate to protect the earthy-herbal terpenes, give it a clean plain-water flush in the final one to two weeks, and follow the trichomes rather than the calendar for the best, smoothest harvest.
FAQ
Are White Widow Regular 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 White Widow’s classic genetics yourself.
Is White Widow indica or sativa?
White Widow Regular is sativa-leaning, at roughly 60% sativa and 40% indica, from its Brazilian sativa and Indian indica landrace parents. That shows in an energetic, cerebral lift that boosts mood and creativity, grounded by a mild body relaxation, so it works well for day-time or social use rather than a heavy evening.
What does White Widow taste like?
White Widow has a classic, old-school flavor: an earthy, herbal and hashish-like base with a soft fruity sweetness. Pinene gives a fresh herbal top note, caryophyllene brings a peppery, hashish-like spice, and humulene and guaiol add woody depth, while neryl acetate lends the gentle fruity-sweet lift that rounds it out.
What is White Widow’s THC level?
White Widow Regular carries a high THC of 18–24%, so it is genuinely potent rather than mild. That strength drives a happy, relaxed, uplifted effect that stays bright and clear-headed, so newer users should start with a small amount and build up, while experienced users will enjoy the lift and the heavy white resin it brings.
How long does White Widow 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, packing on weight and developing its thick, white trichome coat through the second half of flowering as the buds mature.
How much does White Widow Regular yield?
It is a heavy producer, giving around 600–700 g/m² indoors and 550–600 g per plant outdoors in a warm, tropical spot. Those numbers reflect its vigour but depend on light, pot size and managing the sativa stretch, so give it room, train it early, and feed it steadily through flower to reach the top of the range.
