Quick read: 13-18% THC, 60-120cm mature height, 8-10 weeks total bloom. Genetics: Killer Blue Autoflower Seeds – 18–22% THC, 8–9 week Grow (Crop King Seeds genetics). Difficulty: easy.

Smell-first: crack open a cured jar of Killer Blue and the earthy-sweet profile hits before you even see the bud — nothing sharp or chemical, just a clean, grounded scent that carries through the smoke. This Crop King autoflower finishes the full cycle in roughly 8–10 weeks from seed, pulling anywhere from 450 to 600 g/m² under decent indoor lighting. THC tests have come back in the 13–18% range — honest mid-to-upper potency that doesn't knock beginners sideways but still has enough muscle to satisfy experienced users looking for a reliable daily driver.

Because it's an auto, photoperiod scheduling is a non-issue, and the easy difficulty rating holds up — you don't need to baby it indoors or out. If you've been burned by finicky strains that demand perfect conditions, Killer Blue is the reset. Best suited to newer growers who want a forgiving, low-drama plant without sacrificing a respectable harvest.

Genetics & Lineage

Killer Blue – 18–22% THC, 8–9 week Grow traces its genetics to Killer Blue Autoflower Seeds – 18–22% THC, 8–9 week Grow (Crop King 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 Crop King Seeds, each seed is selected for genetic stability, terpene expression, and vigor.

Effects & Experience

Users report primarily euphoric and relaxed 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 18%, this offers a well-balanced experience suitable for most users with some cannabis familiarity.

THC Level & Potency

Killer Blue – 18–22% THC, 8–9 week Grow delivers THC levels of 13-18%, 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 Killer Blue – 18–22% THC, 8–9 week Grow

Killer Blue – 18–22% THC, 8–9 week Grow 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 8-10 weeks total with yields of 450-600g/m2. Plants typically reach 60-120cm indoors. This strain responds exceptionally well to SCROG (Screen of Green) and LST (Low Stress Training), which can boost yields significantly. 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 the dense, heavy buds this strain produces.

Flavor, Aroma & Terpene Profile

Killer Blue – 18–22% THC, 8–9 week Grow 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, Killer Blue – 18–22% THC, 8–9 week Grow 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 Killer Blue – 18–22% THC, 8–9 week Grow?

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 Killer Blue – 18–22% THC, 8–9 week Grow from Seennabis?

When you purchase Killer Blue – 18–22% THC, 8–9 week Grow 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.