Black Widow by Female Seeds

Black Widow strain photo
Type mostly sativaFlower ±60 daysCross Black Widow

3 other breeders' versions of Black Widow — compare flowering times side by side →

To really understand Black Widow, you have to look at the massive rift that shook the Dutch seed industry in the late 90s. When Shantibaba walked away from Green House Seeds, he took his prized Brazilian Sativa and South Indian Indica parents with him to Mr. Nice Seedbank, renaming the genuine White Widow line to 'Black Widow' just to spite the knock-offs. While purists will always chase those regular Mr. Nice beans, Ferry at Female Seeds eventually stepped into the picture to offer a feminized interpretation that made this legendary genetic line highly accessible for everyday growers. Female Seeds gave the community a reliable, cost-effective way to pack their tents with that vintage widow frost without having to weed out males.

Growing the Female Seeds version is an absolute breeze compared to finicky modern polyhybrids. It’s a mostly sativa structured plant that still retains a sturdy enough frame to hold up its own weight. Pulling it down right around 60 days of flower gets you some of the most insanely resinous colas you'll ever see—they literally look like they’ve been rolled in coarse white sand. The sugar leaves get so caked in trichomes that hash makers usually end up washing the entire plant. She can handle a heavy nutrient feed and bounces back from stress like a champ, making her a staple for both rookie tent growers and large-scale cash croppers who need absolute consistency.

The smoke takes you straight back to the golden era of Amsterdam coffee shops. The terpene profile is this wildly complex mix of earthy pine, sharp floral hash, and a weirdly addictive chemical skunkiness on the back end. Despite the heavy visual frost that suggests a crushing indica, the high is overwhelmingly cerebral and euphoric. It blasts you off with a soaring, chatty head high that leaves you energized before eventually settling into a nice, warm body buzz hours later. While the forum snobs might argue endlessly over breeder pedigrees, anyone who has actually run this Female Seeds line knows it’s an incredibly potent, heavy-yielding workhorse that flat-out delivers.

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BreederFemale Seeds
Typemostly sativa
Flowering time±60 days
EnvironmentOutdoors
LineageBlack Widow
DescendantsWildy White, Mr Nice Seedbank - La Nina, Female Seeds - X-Line Black Widow, Dark Widow, Mango Widow, Medicine Man, CBD S'n'S Widow, The Widow from Oaxaca, 98 Aloha White Widow, Shark Shock, Hazeman Seeds - Black Russian, Wendy Auto, Black Widow Ripper, G13 x Widow, Black Widow Automatic, Mona Luisa, Black Cheese, Widow Shocker, Black Widow, White Widow, CBD + Black Widow, CBD Sweet 'n Sour Widow, Widows Peak, Widow Haze, Black Widow, Black Widdow, Nefertiti

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🧬 Explore the family: Black Widow · Wildy White · Mr Nice Seedbank - La Nina · Female Seeds - X-Line Black Widow · Dark Widow · Mango Widow · Medicine Man · CBD S'n'S Widow · The Widow from Oaxaca

Ancestry Pedigree

Black Widow
Mr Nice Seedbank
White Widow
Green House Seeds
White Widow
De Sjamaan
Brazil Sativa
Original Strains
India Indica
Original Strains

Growing Black Widow: what to expect

As a sativa-leaning plant, plan for a big stretch after the flip (often 100–200%) — flip earlier than feels natural and keep training options ready. Sativa-leaning plants also generally prefer a lighter feed than heavy indicas. Growers familiar with Black Widow will recognize much of its behavior. Whatever the listing says, the cut in YOUR tent is the ground truth: log feedings, readings, and photos, and let the trends — not the label — drive decisions.

Black Widow FAQ

How long does Black Widow take to flower?

Black Widow typically flowers in around 60 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.

Is Black Widow an indica or a sativa?

Black Widow is listed as mostly sativa.

What are the parents of Black Widow?

Black Widow was bred from Black Widow by Female Seeds.

What environment does Black Widow like?

Standard cannabis bands work well: VPD 0.8–1.1 kPa in veg and 1.0–1.4 kPa in flower, with humidity stepping down from 65–75% as a seedling to 40–50% in late flower. See the stage-by-stage table on this page.

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Facts compiled from public breeder listings. Growing Black Widow? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.

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Published by Cultivar (logmygrow.com), a structured grow journal. These reference bands are the same ones the app grades real grows against. Free to cite with a link. Some outbound product links are affiliate links — see disclosures.