The shortest version: Original Harvest Seeds's take on hybrid genetics, 18% THC, 7-10 weeks flowering, moderate grow.

Lineage: the original Jack Herer cut bred down to a stable 60/40 sativa-indica ratio, feminized by Original Harvest Seeds for predictable runs. That heritage shows up in the nose before anything else — raw pine resin and damp forest floor, the kind of smell that fills a tent on day 50 of flower. At 18% THC across a 7–10 week finish, the effect leans clear-headed rather than heavy, which tracks with the sativa lean.

Yields sit around 500 g/m² indoors under decent light, and the plant handles both indoor and outdoor setups without much fuss. Difficulty is listed as moderate, meaning she'll punish neglect but won't collapse at the first sign of a pH swing. Canadian outdoor growers in BC or Ontario should time the flip carefully — that 10-week outer edge pushes into late October in shorter-season regions. Best suited to growers who've done a run or two and want a workhorse strain with a recognizable terpene profile.

Genetics & Lineage

Jack Herer traces its genetics to 60% Sativa / 40% Indica (Original Harvest 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 Original Harvest 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 18%, this offers a well-balanced experience suitable for most users with some cannabis familiarity.

THC Level & Potency

Jack Herer delivers THC levels of 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 Jack Herer

Jack Herer 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 7-10 weeks with yields of 500g/m2. Plants typically reach 100-160cm 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

Jack Herer features a earthy, pine terpene profile that develops complexity throughout the flowering cycle. Sharp forest and resin notes create a fresh, invigorating flavor with earthy depth. 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, Jack Herer 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 Jack Herer?

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 Jack Herer from Seennabis?

When you purchase Jack Herer through Seennabis, you are buying directly from Original Harvest Seeds — Catalog of original feminized and autoflower hybrids — clean genetics, stable phenotypes, designed for repeatable harvests across indoor and outdoor setups. Every order includes verified genetics, discreet shipping, and responsive seller support.