The shortest version: Crop King Seeds's take on indica genetics, 18-23% THC, 8-10 weeks flowering, moderate grow.

Lineage: OG Kush × G13 — two strains with serious reputations for sedating, heavy-bodied effects. MK Ultra feminized pulls the best of both, testing between 18–23% THC with earthy, subtly sweet smoke that tends to sit low in the throat. Flowering wraps up in 8–10 weeks, and indoor growers running a solid setup can pull 350–500 g/m² without heroic effort. It's rated moderate difficulty, meaning you'll want some grow cycles under your belt — topping and defoliation help manage the dense canopy and reduce moisture buildup, especially in humid Canadian basements or grow tents where airflow is limited. CBD stays below 1%, so this is very much a THC-forward plant. The effects trend toward the couch end of the spectrum: not the strain you reach for before a morning hike.

Best suited to intermediate indoor growers who want a reliable, high-THC indica without chasing unstable or unproven genetics.

Genetics & Lineage

MK Ultra Marijuana | Crop King Seeds traces its genetics to MK Ultra Feminized Marijuana Seeds | Crop King Seeds (Crop King Seeds genetics). This indica-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 Crop King Seeds, each seed is selected for genetic stability, terpene expression, and vigor.

Effects & Experience

Users report primarily relaxed and sleepy 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

MK Ultra Marijuana | Crop King Seeds delivers THC levels of 18-23%, 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 5-10 minutes, settling into the body as a warm, heavy relaxation.

Growing MK Ultra Marijuana | Crop King Seeds

MK Ultra Marijuana | Crop King Seeds 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 8-10 weeks with yields of 350-500g/m2. Plants typically reach 90-160cm 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 40-50% 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 Marijuana | Crop King Seeds 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 Marijuana | Crop King Seeds 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 Marijuana | Crop King Seeds?

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 MK Ultra Marijuana | Crop King Seeds from Seennabis?

When you purchase MK Ultra Marijuana | Crop King Seeds through Seennabis, you are buying directly from Crop King Seeds — Premier Canadian seed bank since 2005 with 80% germination guarantee. Every order includes verified genetics, discreet shipping, and responsive seller support. Crop King Seeds has completed over 0 sales.