Quick read: 22% THC, 100-160cm mature height, 8-9 weeks bloom. Genetics: Proprietary cross (Dutchman Seeds). Difficulty: easy.

If your previous run left you babysitting a fussy photoperiod for twelve weeks with middling results, this one might reframe your expectations. MK Ultra (Dutchman Seeds, feminized) wraps up flowering in 8–9 weeks and pulls around 350 g/m² indoors without demanding much in return — beginner-friendly in both indoor and outdoor setups. At 22% THC it sits firmly in the heavy-sedative range, so this is an evening cultivar, not a Sunday-morning smoke. The flavour profile runs earthy with a mild sweetness underneath — nothing showy, but clean and consistent across harvests. Plants stay manageable in height, which makes it a reasonable pick for growers working with tight tent space or a backyard that can't accommodate towering sativas. CBD comes in under 2%, so the experience skews almost entirely toward the THC side.

Best suited to newer growers looking for a reliable, high-potency feminized strain without a steep learning curve.

Genetics & Lineage

MK Ultra traces its genetics to Proprietary cross (Dutchman Seeds). This hybrid-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 Dutchman 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 22%, this offers a well-balanced experience suitable for most users with some cannabis familiarity.

THC Level & Potency

MK Ultra delivers THC levels of 22%, 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 MK Ultra

MK Ultra 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 8-9 weeks with yields of 350g/m2. Plants typically reach 100-160cm 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

MK Ultra features a earthy, sweet terpene profile that develops complexity throughout the flowering cycle. A smooth, candy-like sweetness defines the flavor, with subtle complexity on the exhale. 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, MK Ultra 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 MK Ultra?

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 MK Ultra from Seennabis?

When you purchase MK Ultra through Seennabis, you are buying directly from Dutchman Seeds — Dutch breeder with a deep autoflower catalog — Northern Lights Auto, Amnesia Auto, AK-47 Auto, Bubba Kush Auto. Every order includes verified genetics, discreet shipping, and responsive seller support.