The specs in one line: 20-25% THC, <1% CBD, 8-10 weeks flowering, 400-500g/m2 reported. Best indoor or outdoor. moderate grow.

Blimburn Seeds lists this at $25.98 — below the median of $39.83 across 5 listings. Pack options: 3-seed at $25.98, 5-seed at $36.20, plus larger sizes.

Smell-first impressions from this one lean sweet and fruity before the earthy base kicks in — not the sharp pine-forward nose you might expect from anything carrying OG in the name. HellFire OG from Blimburn Seeds sits at 20–25% THC, so the effect catches up quickly: a heavy-handed body component that softens into something more usable over an hour or so. Flowering wraps in 8–10 weeks indoors or out, and growers running it in controlled spaces report harvests landing consistently in the 400–500g/m² range when canopy management is dialed in.

The moderate difficulty rating is honest — she's not a beginner plant, but she's far from finicky. Training helps keep stretch in check and pushes those yields toward the upper end. Best suited to growers who've run a few OG-type cultivars before and want something that rewards a little extra attention without demanding perfection every run.

Genetics & Lineage

HellFire OG traces its genetics to HellFire OG (Blimburn 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 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

HellFire OG 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 HellFire OG

HellFire OG 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 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

HellFire OG features a fruity, sweet, 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, HellFire OG 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 HellFire OG?

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 HellFire OG from Seennabis?

When you purchase HellFire OG 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.