jack herer cannabis strain

Hybrid

Jack Herer

4.8 (247 reviews)

Jack Herer was created in the Netherlands in the mid-1990s by Sensei Seeds and named after the cannabis activist and author of The Emperor Wears No Clothes, as a tribute to his legalization work. The strain went on to win multiple Cannabis Cup awards and was even distributed by Dutch pharmacies as a recognized medical-grade strain. That’s a level of legitimacy few strains from that era have managed to hold onto.

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About Jack Herer Strain

Here’s a quick snapshot of the Jack Herer strain:

  • Type: Hybrid strain (55% sativa, 45% indica)

  • THC Range: Typically 15%–24%

  • Dominant Terpenes: Terpinolene, Caryophyllene, and Pinene

  • Aroma: Piney and peppery with an earthy, slightly spicy finish

The name lives up to the legend behind it. A Haze hybrid crossed with Northern Lights #5 and Shiva Skunk, Jack Herer was bred to combine strong genetics with heavy resin production, and the buds show it.

The strain tends to grow tall with dense, resin-coated buds with bright green hues often threaded with rusty orange pistils and a heavy, frosty trichome coating, the kind of visuals that match its reputation as a top-shelf classic. 

THC typically ranges between 15% and 24%, with potency oscillating depending on the specific batch and breeder. If you’re new to Jack Herer or cannabis in general, start with less than you think you need, and give it time before reaching for more.

When you’re ready to check it out, find your nearest The Artist Tree location and get yours from a reputable dispensary.

 

Jack Herer Cultivation Notes

  • Genetics: An indica-dominant hybrid (Chemdawg x Girl Scout Cookies), moderately challenging to grow — better suited to growers with some experience rather than absolute beginners.
  • Climate: Prefers a cooler, controlled climate with lower humidity, especially through flowering. Outdoors it does best in Mediterranean-type conditions (65-80°F / 18-27°C); indoors it’s sensitive to humidity swings given its dense bud structure.
  • Growth pattern: Bushy, moderate-height plant with decent lateral branching. Not known for dramatic stretch, but can get top-heavy once buds fatten up, so branch support is common in late flowering.
  • Flowering time: Around 8-9 weeks indoors; outdoor harvest typically early to mid-October.
  • Yield: Moderate yields — generally on par with or slightly below Wedding Cake, with growers often prioritizing potency and terpene expression over volume.
  • Susceptibility: Dense colas make it prone to mold/bud rot in humid conditions, so airflow and humidity control matter. Also known to be somewhat finicky with nutrient sensitivity — more prone to nutrient burn than average.
  • Nutrients: Responds best to conservative feeding, particularly with nitrogen; many growers run slightly lower strength than standard schedules to avoid burn while still supporting resin production.
  • Training techniques: LST and topping help manage its bushy structure and improve light penetration; SCROG works well for evening out the canopy. Stakes or trellis netting are often used to support heavy, dense buds later in flowering.

GMO Strain Terpene Profile

Caryophyllene
Limonene
Humulene
Linalool
Myrcene
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