What White Widow is
White Widow is a hybrid cannabis strain. Breeders in the Netherlands made it in the early 1990s. It crosses a sativa landrace from Brazil with an indica landrace from South India. The plant takes its name from the resin on the buds. Trichomes coat the flowers and sugar leaves in a white layer.
Lab tests put THC between 15% and 25%. CBD stays near 0.1%. That ratio drives a strong psychoactive effect. Common terpenes are myrcene, caryophyllene, and pinene. Myrcene carries an earthy pine smell. Caryophyllene adds a pepper note.
Origin and naming
Shantibaba bred the strain while at Green House Seeds in Amsterdam. Reports credit a White Widow entry with a High Times Cannabis Cup win in 1995. Shantibaba later left Green House and founded Mr. Nice Seeds. That history matters at the counter. Several seed companies sell a version under the same name. Genetics differ between sellers. Two jars labeled White Widow can hold plants with different THC levels and different terpene profiles. No standard exists for the name.
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Reported effects
Users describe a cerebral lift that starts within minutes. Body relaxation follows. Reported effects include talkativeness, focus, and calm. Reported side effects include dry mouth, dry eyes, and at high doses, anxiety. THC dose drives those outcomes more than the strain name does.
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Medical users report relief from stress, pain, and nausea. Clinical evidence for strain-specific effects is thin. Most studies test isolated THC or CBD, not named cultivars.
Growing basics
- Type: hybrid with indica structure
- Flowering time: 8 to 9 weeks indoors
- Indoor yield: about 400 to 500 grams per square meter
- Outdoor harvest: late September to early October in USDA zones 7 to 11
- Height: 60 to 100 cm indoors, up to 2 m outdoors
- Traits: heavy resin, dense buds, mold resistance in dry climates
Growers prune lower branches so light reaches the canopy. The plant takes topping and low-stress training. Dense buds hold moisture. Humidity above 60% in late flower raises bud rot risk.
Convenience and how people buy it
White Widow is one of the most stocked names in US dispensaries. Shops sell it as flower, pre-rolls, vape cartridges, and concentrates. Pre-rolls and cartridges remove the need to grind, roll, or store flower. That format choice shapes the purchase. A buyer who wants this strain often takes the only format on the shelf.
Price varies by state and format. Flower in legal US markets runs about $30 to $50 per eighth. Single pre-rolls run about $8 to $15. Check the label for harvest date, THC percentage, and terpene content. A label with no harvest date gives no shelf-life signal.
Quick facts
- Also sold as: White Widow Auto, White Widow CBD
- Lineage: Brazilian sativa x South Indian indica
- Average THC: 15% to 25%
- Average CBD: under 1%
- Flowering: 8 to 9 weeks