Black Widow Feminized delivers a sativa-dominant hybrid with genuine Dutch pedigree, crossing two legendary genetics to create a reliable grower's choice. Expect 20-25% THC and a balanced flowering window of 7-9 weeks, yielding 400-500g/m² indoors with plants reaching 100-180cm—ideal for moderate-difficulty cultivation. The effects blend relaxation with creative euphoria, while earthy pine and floral notes round out the sensory profile. Since 1995, Nirvana Seeds has built its reputation on affordable classics like this one, proving solid genetics don't require inflated prices. Whether you're exploring feminized seeds or comparing against fast alternatives, Black Widow offers consistent performance. For growers seeking straightforward results without unnecessary complexity, this strain pairs Dutch reliability with accessible cultivation—a budget-conscious pick that doesn't compromise on genetics or yield.

Genetics & Lineage

Black Widow traces its genetics to Black Widow Feminized (Nirvana Seeds). This sativa-dominant feminized seed produces plants that express the best traits of its parent lineage, delivering consistent results for growers of all experience levels. Bred by Nirvana 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

Black Widow delivers THC levels of 20-25%, 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, starting as a cerebral buzz that gradually expands.

Growing Black Widow

Black Widow is rated as moderate difficulty, making it suitable for growers with some experience. Basic knowledge of nutrient schedules, pH management, and environmental controls will help maximize results.

Indoor Growing: Expect a flowering time of 7-9 weeks with yields of 400-500g/m2. Plants typically reach 100-180cm 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

Black Widow features a earthy, pine, floral terpene profile that develops complexity throughout the flowering cycle. Sharp forest and resin notes create a fresh, invigorating flavor with earthy depth. 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, Black Widow 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 Black Widow?

This strain is ideal for intermediate growers ready to push their skills and be rewarded with superior results. If you're looking for evening relaxation and deep stress relief, this is your strain.

Why Buy Black Widow from Seennabis?

When you purchase Black Widow through Seennabis, you are buying directly from Nirvana Seeds — One of Amsterdam's longest-running seed banks (since 1995). Every order includes verified genetics, discreet shipping, and responsive seller support. Nirvana Seeds has completed over 198,000 sales with a 4.6-star rating from 6,840 verified reviews.