Quick read: 17-23% THC, 50-80cm mature height, 9-11 weeks total bloom. Genetics: White Widow (Sensi Seeds genetics). Difficulty: easy.

Sensi Seeds lists this at $28.67 — above the median of $26.96 across 48 listings. Pack options: 3-seed at $28.67, 5-seed at $42.77, plus larger sizes.

Smell-first: crack a dried bud of this autoflower and you get layered citrus and sweet fruit with just enough earthiness underneath to remind you it's cannabis, not candy. That nose comes backed by 17–23% THC from a lineage rooted in Sensi Seeds' original White Widow — one of the most stress-tested strains of the past two decades. The autoflowering version finishes in 9–11 weeks from seed, no light-schedule management required, and pulls 350–500g/m² under a solid indoor setup. Outdoors it handles variable conditions without much complaint. Difficulty is genuinely low — this isn't marketing language, it's the result of Ruderalis genetics smoothing out the finicky edges the photoperiod version sometimes shows newer growers.

First-timers who want a recognizable, well-documented strain without the learning curve of light-cycle timing will get the most out of this one.

Genetics & Lineage

White Widow Automatic traces its genetics to White Widow (Sensi Seeds genetics). This hybrid-dominant autoflower seed produces plants that express the best traits of its parent lineage, delivering consistent results for growers of all experience levels. Bred by Sensi Seeds, each seed is selected for genetic stability, terpene expression, and vigor.

Effects & Experience

Users report primarily relaxed and euphoric effects, making this strain ideal for evening use and unwinding after a long day. The body-centered stone builds gradually, easing tension and promoting deep physical relaxation. With THC levels reaching 23%, this offers a well-balanced experience suitable for most users with some cannabis familiarity.

THC Level & Potency

White Widow Automatic delivers THC levels of 17-23%, placing it in the moderate-to-strong range that most regular consumers find comfortable. CBD content is minimal, so the psychoactive effects are front and center. The onset typically arrives within minutes with a balanced head-and-body experience that evolves over time.

Growing White Widow Automatic

White Widow Automatic is rated as easy difficulty, making it an excellent choice for first-time growers. The plants are resilient, forgiving of common mistakes like overwatering or inconsistent feeding schedules.

Indoor Growing: Expect a flowering time of 9-11 weeks total with yields of 350-500g/m². Plants typically reach 50-80cm indoors. Standard training techniques like topping and LST will help manage height and improve light penetration. Maintain temperatures between 68-80°F with relative humidity around 45-55% during flowering.

Outdoor Growing: This versatile strain performs well in both indoor and outdoor environments. Outdoor growers in warm climates can expect harvest from late September through October. Watch for humidity during late flowering to prevent bud rot, especially with dense flower formations.

Flavor, Aroma & Terpene Profile

White Widow Automatic features a fruity, citrus, sweet, earthy terpene profile that develops complexity throughout the flowering cycle. Sweet berry and grape notes dominate the inhale, with a sugary exhale that lingers on the palate. The aroma intensifies significantly during the final 2-3 weeks of flowering — carbon filtration is recommended for indoor grows requiring discretion.

Medical Benefits

While individual experiences vary, White Widow Automatic is commonly reported to help with stress relief, chronic pain, insomnia, and muscle tension. The deeply relaxing effects make it a popular choice among medical users seeking nighttime relief. As with any cannabis strain, start with a low dose and increase gradually. Consult a healthcare professional before using cannabis for medical purposes.

Who Should Grow White Widow Automatic?

This strain is ideal for beginner growers looking for a reliable, low-maintenance plant that delivers consistent results without advanced techniques. If you're looking for evening relaxation and deep stress relief, this is your strain.

Why Buy White Widow Automatic from Seennabis?

When you purchase White Widow Automatic through Seennabis, you are buying directly from Sensi Seeds — The world's oldest cannabis seed bank, founded in Amsterdam in 1985. Every order includes verified genetics, discreet shipping, and responsive seller support. Sensi Seeds has completed over 177 sales.