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Hybrid60% Sativa / 40% Indica18–25% THC

White Widow

Also known as: Black Widow (Mr. Nice Seedbank)

Breeder: Green House Seeds / Shantibaba (disputed)

White Widow became one of the most recognized cannabis strains in the world after its 1994 debut. Named for the dense blanket of white trichomes coating its buds, it set a new standard for resin production and kicked off the 'White Family' of strains. Its unprecedented trichome density sparked an industry-wide race for frostier genetics. Its earthy, peppery 'old-school hash' character contrasts sharply with modern fruit-forward profiles.

Lineage
Brazilian sativa landrace x South Indian indica (Kerala)
THC Range
18–25%
Flower Time
8–9 weeks
Difficulty
Beginner to intermediate

Lineage & Genetics

Cross: Brazilian sativa landrace x South Indian indica (Kerala)

The Brazilian father was an IBL from the Sierra Nevada de Santa Marta region. The Indian mother came from a farmer in Kerala who had selectively bred for resin production over many years. Shantibaba retains the original parent plants in the Mr. Nice clone library.

Lineage Dispute

Breeder credit is contested between Shantibaba (Scott Blakey), who says he stabilized and released it through Green House Seeds in 1994, and Ingemar De Sjamaan, who claims to have discovered the genetics as early as 1987. When Shantibaba left in 1998, he renamed his line Black Widow at Mr. Nice Seedbank. At least 79 distinct White Widow versions now exist.

Terpene Profile

DOMINANT

MyrceneEarthy, herbal, clove-like; ~0.7–1.2%

SECONDARY

CaryophyllenePeppery, spicy; ~0.5–0.9%

SECONDARY

PineneFresh pine, evergreen sharpness; ~0.3–0.6%

Aroma: Earthy and woody with distinct peppery spice, often described as 'old-school hash' character. Slightly soapy or floral on exhale.

Flavor: Woody, spicy-herbal, and earthy — a sharp contrast to modern dessert profiles.

Effects & Experience

Onset: Fast, powerful mental stimulation.

Euphoric, uplifted mood with energetic and talkative cerebral buzz. A relaxing physical undertone builds over time without heavy sedation.

Duration: 1.5–2.5 hours

Commonly Reported Uses

Stress reliefAnxiety managementPain reliefCreative energy

Growing Characteristics

Flower Time
8–9 weeks
Yield (Indoor)
400–500 g/m² (up to 520 with SCROG)
Yield (Outdoor)
500–650 g/plant
Difficulty
Beginner to intermediate
Height
60–120 cm indoors; up to 190 cm outdoors
Environment
Thrives indoors. Notably cold-hardy and mold-resistant outdoors.

Grow Tips: One of the safest photoperiod choices for northern climates. Excellent calyx-to-leaf ratio makes trimming fast. Moderate feeder — overfeeding risks muting the terpene profile. Responds well to organic soil grows.

History & Origin

Released in 1994 by Green House Seeds in Amsterdam. Won 1st Place in both the Cannabis Cup and Bio Cup at the 1995 High Times Cannabis Cup, catapulting it to global fame. When Shantibaba left Green House Seeds in 1998, he co-founded Mr. Nice Seedbank with Howard Marks and Neville Schoenmakers, renaming his line Black Widow.

Awards & Recognition

  • 1995: 1st Place — High Times Cannabis Cup and Bio Cup (8th HTCC)
  • Additional wins at Highlife Cup, Copa Cannabica Del Plata
  • Named Soft Secrets Strain of the Year

Notable Crosses

Strains bred using White Widow as a parent:

White RussianWhite Widow x AK-47
White RhinoWhite Widow x Afghan Indica
Great White SharkWhite Widow x Super Skunk
Blue WidowWhite Widow x Blueberry

Want to Grow White Widow?

Check our genetics menu for available clones or call us to discuss your growing needs.