Haze Sativa Seeds logo: a striped sativa seed mark in amber on a dark roasted-brown disc
Sativa genetics, compared before they are sold

Strain page · White Widow sativa selection

White Widow Sativa Seeds: The Uplifting, Daytime Expression of a Cup-Winning Hybrid

Buy White Widow sativa seeds

White Widow is a hybrid, and its sativa half — a Brazilian landrace chosen in the early 1990s for resin and a clear, energetic high — is what made the 1995 Cannabis Cup winner different from the heavy indicas of its day. Within every White Widow line there are plants that lean toward that parent: taller, a little longer to flower, more cerebral and more social in effect. This seed bank’s sativa selection was built by choosing those plants over several generations, from Green House-type stock, so that growers who want White Widow sativa seeds get the uplifting, functional side of the strain with the same frosted buds and the same forgiving growth.

  • THC 20–24%, CBD under 1%
  • Sativa-leaning hybrid, approx. 60% sativa / 40% indica
  • Flowering 9–10 weeks; height 120–170 cm indoors
  • 400–480 g/m² (1.3–1.6 oz/ft²) indoors, 550–650 g per plant outdoors
  • Difficulty: easy; vigorous, mold resistant, needs headroom

Sativa-leaning feminized selection

From $11.80 per seed

5 seeds — $59 · 10 seeds — $99 · 25 seeds — $199

  • Phenotype-selected over 4 generations
  • 90% germination guarantee
  • Discreet worldwide shipping
60/40Sativa to indica in the selection
20–24%THC, lab-tested per batch
1.4–1.6×Stretch after the flip to 12/12
63–70Days of flower to harvest

Key takeaways

  1. A White Widow that leans the way its Brazilian parent did. About 60% sativa, bred by selecting phenotypes within the strain over four generations, not by crossing to an outside sativa.
  2. Daytime effect. The same fast, cerebral onset as the classic, but the second hour stays lifted instead of settling into the body.
  3. Flip early. The plant stretches 1.4–1.6× after 12/12 against 1.3× for the classic; flip at 40–60 cm, top once, use a net or LST.
  4. One week longer, slightly airier. Harvest at day 63–70; the spear-shaped buds give the lowest mold risk in the family.
  5. No autoflower version. Ruderalis pulls the effect toward indica and a ten-week cycle leaves no room for the stretch; feminized and regular only.

This page is a strain guide published by Haze Sativa Seeds. Its purpose is commercial: the store sells the White Widow sativa selection described here, and the button above leads to the shop. Prices, delivery times and guarantee terms describe products sold by this company. Effect descriptions are drawn from user reports and are not medical findings; the legal summary is not legal advice.

Where the Sativa Selection Sits on the White Widow Spectrum

Spectrum section cover placing the selection at 60 percent sativa against the 60 percent indica classic

Catalogs describe White Widow variously as 50/50, 60/40 indica or sativa-dominant, and all three are true of different phenotypes.

The classic balanced plant sits near the middle, slightly indica-leaning. The sativa selection sits at about 60/40 in the other direction: not a pure sativa, which would flower for fourteen weeks and tower, but a White Widow that expresses its Brazilian parent more fully. The table gives the figures for this selection; where they differ from the balanced classic, the classic value is noted. The grow guide explains how to manage the extra height and the extra week of flower.

Classic White Widow60/40 indica
Indica 60%Sativa 40%
Sativa selection60/40 sativa
Indica 40%Sativa 60%
Moby Dick (WW × Haze)60–70% sativa
Indica ~35%Sativa ~65%
Indica-leaningBalancedSativa-leaning
ParameterWhite Widow sativa selection
GeneticsBrazilian Sativa landrace × South Indian Indica, sativa-leaning phenotypes selected
TypeFeminized photoperiod hybrid (regular available)
Indica / sativa ratioApprox. 40% indica / 60% sativa (classic: 60/40 indica)
THC20–24% (classic: 20–25%)
CBDUnder 1%
Flowering trigger12/12 light
Flowering time9–10 weeks (63–70 days); classic 8–10
Seed to harvest17–21 weeks
Indoor yield400–480 g/m² (1.3–1.6 oz/ft²)
Outdoor yield550–650 g per plant (19–23 oz)
Height120–170 cm indoors; 180–250 cm outdoors (classic: 100–150 / 150–200)
Internode spacingLonger; airier buds, better airflow
ClimateWarm temperate, Mediterranean, subtropical; mold resistant
DifficultyEasy
Dominant terpenesPinene, myrcene, caryophyllene — pinene more prominent than in the classic
EffectsEnergetic, euphoric, creative, sociable; light body relaxation
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The Brazilian Landrace and the Sativa Side of White Widow’s History

History section cover noting a Manga Rosa type Brazilian parent and four generations of selection from Green House stock

The sativa parent of White Widow was a Brazilian landrace — most accounts place it in the Manga Rosa family from the north-east of the country — that Scott Blakey (Shantibaba) selected for its resin and its clear, lifting high. Crossed to a South Indian indica for Green House Seeds in early-1990s Amsterdam, it produced a plant whose effect started in the head and whose buds frosted white. The 1995 High Times Cannabis Cup confirmed what the coffeeshops already knew. Of the two lines that followed the split between Green House and Shantibaba’s Mr. Nice, the Green House White Widow has always been described as the more sativa-leaning, and its published THC near 19% reflects a phenotype selected for effect rather than raw potency.

The sativa selection sold here began from Green House-derived stock. Over four generations the seed bank kept plants that stretched more after the flip, flowered a week longer, carried pinene above myrcene in the terpene panel and produced the energetic effect in blind user tests, while holding resin density and mold resistance as conditions. The result is a White Widow that is recognisably the same strain but leans the way its Brazilian parent did.

Sativa traits that define this selection

Three features separate a sativa-leaning White Widow from a balanced one in the tent. The internodes are longer, so buds form in spears along the branch rather than in tight clubs, which improves airflow and lowers mold risk further. The flowering stretch is greater — up to half the plant’s height — and flower runs a week longer, usually finishing in the tenth week. And the leaf is narrower with more pointed fingers. None of these change the frosted trichome coat that gives the strain its name.

Sativa-dominant crosses bred from White Widow

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A Daytime White Widow: Effect, Potency and the Pinene-Forward Aroma

Effect section cover noting that the second hour stays lifted and pinene leads the terpene panel

The point of a sativa-leaning selection is the effect.

Users who grow both the balanced classic and this selection describe the same onset — fast, cerebral, euphoric — but a different second hour: where the classic settles into body relaxation, the sativa selection stays lifted, with only a light physical ease underneath. It is the White Widow for the afternoon rather than the evening.

Energetic, social and creative: what users report

Within ten to twenty minutes mood rises sharply and attention sharpens; users report wanting to talk, make things, walk or work. The peak at around forty-five minutes is bright and clear rather than heavy. The indica component is still present — there is a looseness in the shoulders and a general ease — but it does not pull toward the couch, and most users say they remain fully functional through the two- to three-hour duration. The taper is gradual. Dry mouth and dry eyes are common. Because the sativa side is forward, a larger minority of low-tolerance users report racing thoughts or mild anxiety at high doses than with the balanced classic; the usual advice is to start with a small amount. Effects vary with tolerance, dose, method and how the flower was grown and cured, and reports of help with low mood, fatigue or focus are user accounts rather than medical findings.

Morning

Clear, motivated; pairs with physical activity.

Afternoon

Social, creative; the selection’s natural slot.

Evening

Still lifted; the classic suits this time better.

Before sleep

Not recommended; see the classic or White Rhino.

THC and CBD in the sativa phenotypes

Lab tests on the selection run 20–24% THC, a point below the balanced classic’s top because the plants were chosen for effect profile rather than peak potency. CBD is under 1%, CBG around 0.5%. The strength is fully in the strain’s range; what changes is how the strength is experienced. Growers wanting the highest numbers should look at the classic feminized line in the seed types section; breeder figures are in the table below.

Pinene first: how the terpene balance shifted

Classic White Widow leads with myrcene, the earthy terpene associated with relaxation. In the sativa selection pinene — sharp, resinous pine, associated in user reports with alertness and clarity — rises to lead or share the lead, with myrcene second and caryophyllene’s pepper third. Limonene is slightly higher too, adding a citrus edge. The aroma is brighter and more forest-like than the classic’s earthy base, and it is strong from the fourth week of flower; a carbon filter is essential indoors.

Effect profile User reports

Energetic86%
Euphoric90%
Creative82%
Relaxed50%
Sleepy12%

Terpene share Sativa selection

Pinene34%
Myrcene30%
Caryophyllene20%
Limonene and other16%
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Growing Sativa-Leaning White Widow: Managing Stretch, Height and a Longer Flower

Cultivation section cover noting a flip at 40 to 60 centimetres and harvest at day 63 to 70

The sativa selection is as easy to grow as the classic and in one respect easier — the airier bud structure is even less prone to mold. The adjustments are about space and time: the plant stretches more after the flip, grows taller, and needs an extra week. The schedule below runs 17–21 weeks. Temperatures are in both scales; outdoor timings assume the northern hemisphere, with southern growers planting September–October and harvesting late March–April.

Days 1–5Germination
Weeks 1–2Seedling
Weeks 3–6Short veg; flip early
Flower wk 1–3Stretch to 1.5×
Flower wk 4–10Buds; harvest day 63–70

Germination and seedlings

Paper-towel germination — seeds between damp towels, covered, dark, 21–25 °C (70–77 °F) — gives a taproot in one to five days and is the method the guarantee requires. Sprouted seeds go root-down 1 cm deep into a small pot; photoperiod plants transplant without trouble. Seedlings want 18/6 light, 65–70% humidity and 20–25 °C (68–77 °F), no feed until the third set of true leaves.

Flip earlier than you would the classic

This is the one rule that matters. The sativa selection stretches 1.4–1.6× after the switch to 12/12, against 1.3× for the classic, so a plant flipped at 60 cm can finish at 95; flipped at 90 it can hit 140 and run into the light.

Indoors, veg three to five weeks and flip at 40–60 cm; in a tent under 1.8 m, four weeks is the ceiling. Light is 18/6, humidity 50–60%, temperature 20–28 °C (68–82 °F), nitrogen-leaning feed. Top after the fourth node to spread the stretch across several colas rather than one, and begin low-stress training a week later.

Flowering weeks 1–3: ride the stretch

The stretch is vigorous and the main training window. Tie down the tallest shoots daily to keep the canopy flat; under a SCROG net, tuck every shoot that reaches 5 cm above the screen. Temperatures of 22–26 °C (72–79 °F), humidity around 50%, feed shifting toward phosphorus and potassium. Darkness during the dark period must be complete.

Flowering weeks 4–10: spear-shaped buds and a late finish

Buds form along the branches in elongated spears rather than clubs and fill out through week eight; the trichome coat arrives around week six. Humidity drops from 50% to 40%, night temperatures 5 °C below day. The longer internodes keep air moving through the flowers, so this selection tolerates slightly higher late-flower humidity than the classic. The pine aroma peaks from week five and needs a carbon filter. Feed tapers from week eight with plain water for the final seven to ten days. Harvest falls at day 63–70 — a full week later than the classic — when trichome heads are cloudy with 5–10% amber; taking the sativa selection early preserves the energetic effect, and most growers harvest at the lower amber figure.

Indoor vs outdoor for a taller plant

ParameterIndoorOutdoor
Light18/6 veg, 12/12 flower; strong LED or HPSFull sun; long seasons preferred
Veg before flip3–5 weeks; flip at 40–60 cmNatural; May to August
Stretch after flip1.4–1.6×Up to 2× in full sun
Height120–170 cm trained; SCROG recommended180–250 cm; topping in June keeps it lower
Yield400–480 g/m²550–650 g per plant
Timeline17–21 weeksPlant late April–May, harvest mid–late October
Climate fitAnyWarm temperate to subtropical; marginal above 50° latitude
Main risksRunning into the light, light leaksLate-October rain or frost before finish

Training that suits a stretching plant

  1. SCROG — the natural fitThe stretch fills a screen faster than any other White Widow, and a flat canopy under strong light gives the top of the yield range.
  2. Topping and LST without a netWork in rooms with headroom: top after the fourth node, then tie the new tops outward through the stretch.
  3. Sea of Green — a poor matchThe stretch makes small, untrained plants uneven.
  4. OutdoorsA single topping in early June and a tomato cage keep the plant manageable.

Harvest, drying and curing

Branches hang in the dark at 15–20 °C (60–68 °F) and 55–60% humidity for ten to fourteen days; the airy buds dry a little faster than the classic’s, so check from day eight. Jars filled three-quarters, burped daily for two weeks then weekly, for a four-week cure that brings the pine and citrus forward.

Final height by height at the flip

The table applies the sativa selection’s 1.4–1.6× stretch and the classic’s 1.3× to common heights at the switch to 12/12, so the ceiling a plant needs can be read off before it is flipped.

Finished heights are indoor figures; outdoors in full sun the sativa selection can stretch up to 2×.
Height at flipSativa selection, finishedIn feetClassic White Widow, finished
30 cm42–48 cm1.4–1.6 ftabout 39 cm
40 cm56–64 cm1.8–2.1 ftabout 52 cm
50 cm70–80 cm2.3–2.6 ftabout 65 cm
60 cm84–96 cm2.8–3.1 ftabout 78 cm
70 cm98–112 cm3.2–3.7 ftabout 91 cm
80 cm112–128 cm3.7–4.2 ftabout 104 cm
90 cm126–144 cm4.1–4.7 ftabout 117 cm
100 cm140–160 cm4.6–5.2 ftabout 130 cm
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Sativa Selection Versus the Balanced Classic, Autoflower and Regular Seed

Comparison section cover setting five White Widow seed options side by side, with no autoflower of the sativa selection

The sativa selection is sold as feminized photoperiod seed, with a regular version for breeders hunting sativa phenotypes. The balanced classic — feminized, autoflower and fast — gives the evening-leaning expression. There is no autoflower of the sativa selection: ruderalis genetics pull the effect toward the indica side and the stretch would be lost in a ten-week cycle. A CBD 1:1 White Widow exists for growers who want a mild plant.

ParameterSativa selection (fem)Sativa selection (regular)Classic feminizedClassic autoflowerFast version
Ratio60/40 sativa60/40 sativa, wider spread60/40 indica60/40 indica + ruderalis60/40 indica
EffectEnergetic, daytimeEnergetic; phenotype variesBalanced, relaxing finishBalanced, softerBalanced
THC20–24%20–24%20–25%20–23%17–21%
Flowering9–10 weeks9–10 weeks8–10 weeks10–12 weeks from seed7–8 weeks
Height indoors120–170 cm120–170 cm100–150 cm60–100 cm100–140 cm
Yield400–480 g/m²400–480 g/m² (females)400–500 g/m²350–450 g/m²400–450 g/m²
Sex100% female~50% male100% female100% female100% female
Best forDaytime use, growers with headroomBreeding sativa linesEvening use, max yieldBeginners, speedShort seasons
Price per seedFrom $11.80From $4.90From $11.80From $13.00From $12.50
Sativa selection
  • Clear, energetic daytime effect
  • Airy buds, lowest mold risk in the family
  • Taller, one week longer, needs headroom
Balanced classic
  • Shorter, a week faster, slightly higher yield
  • Relaxing second hour suits evenings
  • Less suited to daytime use
Classic autoflower
  • Done in 10–12 weeks, under a meter
  • Tolerates light leaks
  • Indica-leaning; no sativa version

Who should grow the sativa selection

Users who want White Widow for the day — work, creative sessions, social use, activity — rather than for the evening. Growers with 1.8 m or more of headroom, or a SCROG setup, or an outdoor plot in a warm climate with a long season. Breeders building sativa-leaning lines who want White Widow’s resin as a parent. Growers in short tents, cool northern climates or in need of a sedative flower are better served by the classic or by White Rhino. The sativa packs are in the order section.

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Sativa-Leaning White Widow Across Breeders

Breeder section cover comparing six White Widow lines, from Dutch Passion's compact F1 to Moby Dick at 60 to 70 percent sativa

Breeders differ in how far toward the sativa parent their White Widow leans, and most do not state a ratio. The table reports published figures and the seed bank’s own observations of growth habit, without ranking.

BreederVersionStated ratioTHCFloweringNotes
Green House SeedsWhite WidowNot stated; sativa-leaning in practice18–19%9 weeksOriginal name holder; the stock this selection derives from
MSNLWhite Widow Feminized“Sativa dominant”Up to 18%8–10 weeksDescribes an uplifting, clear effect; 100–180 cm
Dutch PassionWhite Widow (Classic F1)Not stated; balanced to indica-leaning22–26%8–9 weeksCompact; the opposite end of the family
Paradise SeedsOriginal White Widow IBL50/5020%+8–9 weeksCenter of the spectrum
Barney’s FarmMoby Dick (WW × Haze)60–70% sativaUp to 27%9–10 weeksA cross, not a selection; much taller
Haze Sativa SeedsWhite Widow sativa selection60/40 sativa20–24% lab-tested9–10 weeksGreen House-derived; 4 generations selected on effect, stretch and pinene

The in-house selection is the only White Widow in the table bred specifically for the sativa expression within the strain rather than by crossing to an outside sativa. Growers who want a true sativa-dominant plant with White Widow in it should look at Moby Dick; those who want the original balanced plant, Paradise or Dutch Passion.

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Buy White Widow Sativa Seeds: Packs, Per-Seed Price and Guarantee

Order section cover showing feminized packs from 11.80 down to 5.99 dollars per seed and regular from 3.96

The sativa selection is sold as feminized seed in packs of five to one hundred and as regular seed in packs of ten to fifty. Bonus seeds are added to every order, orders above the regional threshold ship free, and bulk and wholesale quantities are quoted on request. Stock is live from the seed bank’s own warehouse.

Sativa selection · feminized

Starter

$59 / 5 seeds$11.80 per seed

Sativa selection · feminized

Standard

$99 / 10 seeds$9.90 per seed

Sativa selection · feminized

Grower

$199 / 25 seeds$7.96 per seed

Sativa selection · feminized

Bulk

$599 / 100 seeds$5.99 per seed

Sativa selection · regular

Standard

$49 / 10 seeds$4.90 per seed

Sativa selection · regular

Breeder

$99 / 25 seeds$3.96 per seed

Classic · feminized

Starter

$59 / 5 seeds$11.80 per seed

Classic · autoflower

Starter

$65 / 5 seeds$13.00 per seed

How this seed bank compares on the points that matter at checkout.
FeatureHaze Sativa SeedsTypical seed bank
Ratio stated and selected for60/40 sativa, phenotype-selectedRatio unstated or copied from catalog
Germination guarantee90%, free replacementLimited or conditional
Free seedsEvery orderAbove a spend threshold
Shipping originOwn warehouse, trackedDrop-shipped, often untracked
Stealth packagingStandard on all ordersVaries
Lab-tested THC rangePublished per batchCatalog figure only
Payment optionsCards, crypto, bank transfer, cashCards or crypto only

Germination guarantee and phenotype consistency

Germination: 90% on every pack, with free replacements if fewer than nine seeds in ten sprout using the paper-towel method in the guide and support is contacted within 30 days of delivery. Phenotype: in the feminized line, nine plants in ten show the sativa-leaning habit — longer internodes, 1.4× or greater stretch, pinene-forward aroma; the occasional balanced plant is normal in any selection and is not a defect. The regular line is deliberately broader and will produce plants across the spectrum, which is its purpose.

Bonus seeds and bulk pricing

Free seeds with every order. Two bonus feminized seeds on every order, four over $100, six over $150 and ten over $250, with the bonus strain rotating monthly. Buyers of 100 seeds or more receive same-strain bonus seeds, and wholesale quotes are available for larger volumes.
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Shipping, Tracking and Payment Worldwide

Delivery section cover listing five regions, 3 to 20 business days and tracking on every parcel

Orders ship within one business day in plain packaging naming neither contents nor sender; a tracking number is emailed at dispatch.

Delivery times by region

RegionDeliveryFree shipping fromTracking
North America3–7 business days$99Yes
Europe and UK3–8 business days€89 / £79Yes
Australia and New Zealand7–14 business daysA$149Yes
South America8–16 business days$129Yes
Rest of world8–20 business days$149Yes

Lost or damaged tracked parcels are reshipped once free of charge. Countries prohibiting seed import are excluded at checkout before payment.

Payment methods

Crypto and cash are anonymous and fee-free; card payments are charged in the customer’s currency. American Express and prepaid gift cards are not accepted.

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Grower Reports on the Sativa Selection

Grower reports section cover noting six verified grows from Spain to Denmark, 380 to 640 grams per plant

Reviews are from verified purchasers of the sativa line and include setup and dry weight where reported. Negative reviews stay published and are answered; germination complaints are handled under the guarantee.

Miguel A. · Sativa fem, 10 seeds · SCROG 1.2 m², Spain · September 2026

Flipped at 45 cm like the page says and still filled the screen in ten days. Day 66 harvest, 560 g. The effect is exactly what I wanted — I grow this for the daytime and the classic for the evening.

Tess L. · Sativa fem, 5 seeds · 1.6 m tent, Netherlands · June 2026

Warning taken too late: flipped at 70 cm and one plant hit the light at 115. Bent it over and it was fine. Pine smell is stronger and sharper than my usual Widow. Very clear high, no sleepiness at all.

Marcus T. · Sativa fem, 5 seeds · Outdoor, Oregon · October 2026

Topped once in June, still 2.3 m by harvest on 18 October. 640 g on the biggest. Airy buds — zero mold in a wet autumn where my indica neighbors lost half a crop.

Chloé D. · Sativa regular, 25 seeds · Indoor, France · August 2026

Twelve females; nine clearly sativa-leaning, three balanced. Kept the tallest, most pine-forward for breeding to a Haze. Good spread for the price.

Priya N. · Sativa fem, 5 seeds · Indoor, Canada · April 2026

Four of five germinated; replacements sent within the week. It’s a different animal from the classic — I’d call it a working strain. Start small, the first hit is lively.

Lars H. · Sativa fem, 10 seeds · Garden, Denmark · October 2026

Honest note: at 56° north it barely made it. Took it at day 62 ahead of frost, a bit early, still 380 g a plant. Great flower, but northern growers should pick the classic or the fast version.

See sativa pack options.

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White Widow Sativa: Questions Growers Ask

Questions section cover noting fourteen answers on effect, height, flowering and legality
How long does the sativa selection take to flower?

Nine to ten weeks (63–70 days) after the switch to 12/12 — about a week longer than the balanced classic. Outdoors it finishes mid to late October in the northern hemisphere, which makes it a warm-climate plant.

What yield can I expect?

400–480 g/m² indoors, best under SCROG; 550–650 g per plant outdoors in a long season. The airy buds weigh slightly less per volume than the classic’s but the plant is larger.

How strong is the sativa selection?

Lab tests run 20–24% THC with CBD under 1%. The strength is in the strain’s normal range; the difference from the classic is the energetic, daytime character of the effect.

Is White Widow sativa or indica?

The strain is a hybrid, and the balanced classic leans slightly indica. This selection was bred from sativa-leaning phenotypes to about 60% sativa, with the Brazilian landrace parent’s clear, lifting effect to the fore.

Is a sativa-leaning plant harder to grow?

Not harder, but taller and a week slower. Flip early (40–60 cm), top once and use a net or LST, and it is as forgiving as the classic — with even better airflow through the buds.

Sativa selection or classic — which should I buy?

The sativa selection for daytime use and growers with headroom; the classic for evening use, shorter spaces and northern climates. The comparison table lists the differences; many growers run one of each.

How do I germinate the seeds?

Paper-towel method at 21–25 °C in the dark; taproot in one to five days; sow root-down 1 cm deep. This is the method required by the guarantee.

Is there a germination guarantee, and is the sativa phenotype guaranteed?

Germination is guaranteed at 90% with free replacements. In the feminized line about nine plants in ten show the sativa-leaning habit; the regular line is broader by design. Terms are in the order section.

How long does shipping take and is it discreet?

Dispatch within one business day in unbranded packaging; 3–7 days to North America, 3–8 to Europe, 7–20 elsewhere, all tracked. See the shipping table.

What payment methods are accepted?

Visa, Mastercard, Bitcoin, USDT, bank transfer, and cash or money order by post. Crypto and cash are anonymous and fee-free.

Does the sativa selection smell different?

Yes — pinene leads, so the aroma is sharper and more resinous pine with a citrus edge, over the familiar earthy base. It is as strong as the classic from week four of flower and needs a carbon filter indoors.

Is there an autoflower version of the sativa selection?

No. Ruderalis genetics pull the effect toward the indica side and a ten-week cycle leaves no room for the sativa stretch. The classic autoflower is the fast option in the family.

How much do White Widow sativa seeds cost?

Feminized from $11.80 per seed in a 5-pack down to $5.99 in a 100-pack; regular from $4.90 per seed in a 10-pack and $3.96 in a 25-pack. Bonus seeds are added to every order.

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Monogram avatar with the initials KS standing in for a photograph of Kevin Sullivan

Kevin Sullivan

Post-Harvest Manager, Haze Sativa Seeds

Kevin Sullivan runs post-harvest operations at Haze Sativa Seeds, which places him at the end of every grow cycle this page describes — drying, curing, seed handling and storage. The drying and curing guidance for the sativa selection’s airier buds, and the day 63–70 harvest window, come from that work.

He reviews the agronomic values published here against catalogue records and submitted grower reports before each revision. Cannabinoid figures are reproduced as the laboratory reports them, and the stretch ratios are measured in-house across the four generations of selection.

  • Focus: post-harvest handling, seed storage, germination
  • Contact: [email protected]
  • Page reviewed: 14 October 2026
  • Next review: February 2027
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