The shortest version: Blimburn Seeds's take on hybrid genetics, 20-25% THC, 8-10 weeks flowering, moderate grow.

Blimburn Seeds lists this at $25.98 — the lowest base price in the comparison ($25.98 floor). Pack options: 3-seed at $25.98, 5-seed at $36.20, plus larger sizes.

Lineage: Grape Killer Haze Auto pulls from Blimburn Seeds' Barcelona breeding program, crossing a fruity Grape line into a Haze backbone — the kind of move that normally means a 14-week wait. The auto format cuts that down to 8–10 weeks from seed to harvest, and the trade-off in potency is basically nothing: lab panels on finished flower land between 20–25% THC.

Indoors, growers are pulling 400–500g/m² from compact plants that handle both tent and greenhouse setups reasonably well. Expect the nose to lean fruity and citrus-forward with some earthiness underneath — classic Haze character without the sativa flowering stretch that makes photoperiod Haze such a commitment. Difficulty sits at moderate, so first-timers who've completed one or two grows should be fine, but someone brand-new to cannabis cultivation may want a simpler auto first.

Best for growers who want Haze-style effects on a schedule that actually fits a normal grow calendar.

Genetics & Lineage

Grape Killer Haze Auto traces its genetics to Grape Killer Haze Auto (Blimburn Seeds). 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 Blimburn 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

Grape Killer Haze Auto 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 with a balanced head-and-body experience that evolves over time.

Growing Grape Killer Haze Auto

Grape Killer Haze Auto 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 400-500g/m2. Plants typically reach 60-100cm 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

Grape Killer Haze Auto features a fruity, citrus, earthy, pine 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, Grape Killer Haze Auto 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 Grape Killer Haze Auto?

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 Grape Killer Haze Auto from Seennabis?

When you purchase Grape Killer Haze Auto through Seennabis, you are buying directly from Blimburn Seeds — Barcelona-based breeder with one of the largest feminized + autoflower catalogs in Europe — over 1,200 strains spanning Spanish classics, exotic American hybrids (Banana Jelly x Permanent Marker, Skunk Berry, Glookies), and modern cookie/cake genetics. Every order includes verified genetics, discreet shipping, and responsive seller support.