White Widow is more than a famous strain; she is a foundation stone of modern cannabis breeding. With White Widow Auto, Royal Queen Seeds makes that legacy accessible to growers who want results in a hurry. By crossing White Widow with ruderalis and breeding the line for several years to lock in stability, they created an autoflower that preserves the essence of the original.
Her genetics split evenly between the photoperiod parents at 40% sativa / 40% indica, with 20% ruderalis providing the automatic flowering trait. Despite that balance, the buds and the high both lean toward the indica side: thick, dark green colas, a heavy resin dusting, and a relaxed, stoney effect.
The entire crop takes only 70–85 days from germination, or about 10 to 12 weeks. Because flowering is triggered by age rather than day length, you can leave your lights on 18/6 or 20/4 the whole time. No light switch, no guessing.
Indoor plants usually stay between 1 and 3 feet (30–90 cm), which is perfect for small tents, closets, and windowsills. Outdoors she reaches 2 to 4 feet (60–120 cm) and can be sown several times in one season for multiple harvests.
Flavor and Effects: Classic Character, Mellower Delivery
White Widow Auto shares the woody, earthy, peppery profile of her photoperiod parent, with fresh pine notes rising on the exhale. The aroma is pungent but a little less intense than the original, which some growers appreciate when discretion matters.
With up to 14% THC and medium CBD, the high is noticeably more mellow and body-focused than classic White Widow. It eases tension in the shoulders, slows the pace of the evening, and settles into a comfortable, stoned calm without overwhelming the mind.
That gentler profile makes her a great option for smokers who want the White Widow flavor and experience without an intense head rush.
Growing White Widow Auto Seeds
White Widow Auto is about as forgiving as cannabis gets, which makes her a reliable choice for first-time growers. She grows wide, dark leaves and thick buds with little intervention. Gentle LST can widen the canopy, but avoid heavy pruning, as autos have limited time to recover.
Indoors, expect 14 to 16 oz/m² (400–450 g/m²) under strong lighting. Outdoors, each plant can yield 7 to 8 oz (200–230 g), a generous haul for such a compact autoflower.
Start seeds directly in their final containers to avoid transplant shock, keep nutrients moderate, and harvest when most trichomes have turned milky. With repeat sowings, outdoor growers in long, warm summers can bring in more than one crop per year.
White Widow Auto Characteristics
| Strain type | Autoflowering (feminized) |
| Genetics | White Widow x ruderalis |
| Indica/Sativa | 40% Indica / 40% Sativa / 20% Ruderalis |
| THC | Up to 14% |
| CBD | Medium |
| Effect | Physically Relaxing, Stoned |
| Flavor | Earthy, Pepper, Pine |
| Indoor yield | 14 to 16 oz/m² (400–450 g/m²) |
| Outdoor yield | 7 to 8 oz/plant (200–230 g/plant) |
| Flowering time | 50–55 days (about 7 to 8 weeks) |
| Seed to harvest | 70–85 days (about 10 to 12 weeks) from germination |
| Height | Indoors 1 to 3 feet (30–90 cm); outdoors 2 to 4 feet (60–120 cm) |
| Climate | Thrives in regions with long, warm summers |
| Best cultivation technique | Light LST; minimal pruning |
FAQ
What is White Widow Auto bred from?
Royal Queen Seeds crossed White Widow with a ruderalis strain and refined the line over several years for stable, autoflowering genetics.
How long does White Widow Auto take to grow?
From germination to harvest takes about 70–85 days, roughly 10 to 12 weeks, with a flowering phase of about 50–55 days.
How does White Widow Auto differ from White Widow feminized?
The auto version flowers automatically, stays more compact, finishes faster, and has a milder, more physical high with medium CBD. The photoperiod version is stronger and needs a 12/12 light switch.
How much THC does White Widow Auto have?
Royal Queen Seeds lists THC at up to 14% with medium CBD.
What light schedule works for White Widow Auto?
Run 18/6 or 20/4 throughout the whole grow. She does not need a light change to start flowering.
What yield can I expect from White Widow Auto?
Indoors, expect 14 to 16 oz/m² (400–450 g/m²). Outdoors, plants can produce 7 to 8 oz (200–230 g) each.
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