Jack Herer
Hybrid (sativa-leaning) · Lineage: Haze × Northern Lights #5
· How this profile is built: type, lineage, cannabinoid figures and the flavor, terpene and effect terms are aggregated from public cultivar records, and the summary is generated from those fields rather than copied from any third party. Per-record source citations and check dates are not stored yet. Batch-level lab numbers, when a certificate of analysis is linked below, are the verified figures.
Jack Herer is a sativa-leaning hybrid bred by Sensi Seeds in the Netherlands and named after the cannabis activist and author of "The Emperor Wears No Clothes." Released in 1994, it went on to win numerous Cannabis Cup awards through the following decades and is commonly cited as one of the most decorated cultivars of the modern era. Its combination of Haze and Northern Lights ancestry made it an influential reference cross for later sativa-leaning hybrids sold across US markets.
Profile
Jack Herer is typically described with a spicy, herbal aroma layered with pine and a subtle citrus edge, often described as sharper and more peppery than sweeter hybrid cultivars. Terpinolene, pinene, and caryophyllene are the terpenes most frequently reported, consistent with the spicy-pine character commonly associated with Haze-descended cultivars. Buds are generally elongated with a lighter, sativa-type structure, medium green in color, with amber-to-orange pistils and a resinous, visibly frosted trichome layer. The aroma is frequently described as complex relative to other sativa-leaning hybrids, with layered notes that shift between citrus, wood, and spice depending on cure and phenotype selection.
Reported effects
Consumers commonly report a clear-headed, energetic, and uplifted effect, often described as promoting focus and creative thinking. Reports frequently mention an alert mental state without heavy body sensation, distinguishing it from more sedating hybrids. Because of this stimulating, cerebral-leaning profile, Jack Herer is commonly discussed as suited to daytime or activity-focused use rather than as an evening or relaxation-oriented cultivar.
Consumer-reported descriptors for general information — not medical advice; no therapeutic claims are made.
Cultivation notes
Growers typically report that Jack Herer performs well both indoors and outdoors, though outdoor cultivation is generally recommended in warmer, drier climates given its Haze ancestry. Flowering time is commonly listed at 8 to 10 weeks, and yields are frequently described as moderate to high for a sativa-leaning cultivar. Cultivators generally regard it as moderately manageable, though some phenotypes are reported to stretch significantly during early flowering, requiring space or training to control height.
Reported effects
CreativeEnergeticEuphoricHappyUpliftedFlavors
CitrusEarthyPineSpicy/HerbalWoodyWhere to find it
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Frequently asked
Who was Jack Herer, and why is the strain named after him?
Jack Herer was a cannabis activist and author best known for the 1985 book "The Emperor Wears No Clothes," which argued for cannabis and hemp legalization. Sensi Seeds named the cultivar in his honor upon its 1994 release, and he was reportedly involved in sampling early versions before the strain reached the commercial market.
How is Jack Herer different from Northern Lights, one of its parent strains?
Northern Lights is an indica commonly reported for heavy physical relaxation, while Jack Herer is a sativa-leaning hybrid that combines Northern Lights #5 with Haze genetics, producing a lighter, more energetic profile. Consumers commonly describe Jack Herer as clearer and more uplifting than the deeply sedating effects associated with Northern Lights.
Tastes like
Known descendants (76 catalogued crosses list this as a parent)
Similar cultivars
Record activity
- Jun 24, 2026 — Record first published on this platform.
- Jul 10, 2026 — Record last updated on this platform.
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Effects and flavors are reported by consumers and sources for general information only. This is not medical advice and makes no therapeutic claims.