Jack Herer
SativaHaze x Northern Lights #5 x Shiva Skunk · Bred by Sensi Seeds
THC
18–24%
CBD
0.1–0.3%
Type
Sativa
Difficulty
Moderate
Flowering
8–10 wks
Height
Tall (5+ ft)
Effects
Jack Herer is a sativa cannabis strain with THC levels of 18–24% and CBD levels of 0.1–0.3%. Its primary effects include energetic, creative, focused, as well as euphoric and happy. The dominant terpenes are Terpinolene, Myrcene, Pinene, which contribute to its pine and earthy flavor profile.
Flavors & Terpenes
Flavors
Terpenes
Medical Uses
About Jack Herer
Jack Herer is a sativa-dominant masterpiece named after the legendary cannabis activist and author of 'The Emperor Wears No Clothes.' Created by Sensi Seeds in the Netherlands in the mid-1990s, this strain combines three powerhouse genetics — Haze, Northern Lights #5, and Shiva Skunk — to produce a complex, multidimensional experience that has earned it nine Cannabis Cup awards and recognition as a medical-grade strain by Dutch pharmacies. The aroma of Jack Herer is rich and layered: dominant pine and earthy tones complemented by spicy pepper and bright citrus notes that reveal themselves as the buds are broken apart. The high is quintessentially sativa — an immediate onset of clear-headed energy and creativity that makes it a favorite among artists, writers, and professionals seeking a functional, productive experience. Unlike some sativas that can induce anxiety, Jack Herer provides a smooth, focused euphoria that enhances rather than overwhelms. THC levels range from 18-24%, delivering consistent potency with a remarkably clean come-down. Medical patients frequently use Jack Herer for depression, chronic fatigue, and ADHD-like symptoms, as its focusing properties can be genuinely therapeutic. The strain also offers mild pain relief without sedation. Growing Jack Herer requires moderate experience — plants grow tall with long internodal spacing and benefit from training to maximize yield. The 8-10 week flowering window is reasonable, and the strain produces beautiful, elongated buds coated in glistening trichomes with fiery orange pistils.
Growing Guide
Indoor Yield
400-500g/m²
Outdoor Yield
500-600g/plant
Cultivation Tips
- •Top and train early to manage height and create an even canopy
- •Phenotype variation is common — select the best performers for cloning
- •Thrives in warm, sunny climates when grown outdoors
- •Ensure adequate vertical space — plants can double in height during flowering
- •Harvest timing significantly affects the high — early harvest for more cerebral effects
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Awards
Related Strains
Jack Herer FAQ
What are the effects of Jack Herer?
Jack Herer is known for producing energetic, creative, focused effects. As a sativa strain with THC levels of 18–24%, it delivers energizing, cerebral effects. Users also report feeling euphoric and happy. The dominant terpenes — Terpinolene, Myrcene, Pinene — contribute to its pine and earthy flavor profile.
Is Jack Herer good for beginners to grow?
Jack Herer has a moderate grow difficulty rating. Growers with some experience should be able to handle this strain well. It flowers in 8–10 weeks, reaches a tall height, and yields approximately 400-500g/m² indoors or 500-600g/plant outdoors.
What does Jack Herer taste and smell like?
Jack Herer features a distinctive flavor profile with notes of pine, earthy, woody, spicy, citrus. These flavors come from its terpene profile, which includes Terpinolene, Myrcene, Pinene. The genetics (Haze x Northern Lights #5 x Shiva Skunk) contribute to this unique combination of aromas and tastes.
What medical conditions can Jack Herer help with?
Jack Herer is commonly used by medical cannabis patients for depression, fatigue, stress, pain, lack of focus. With a THC range of 18–24% and CBD range of 0.1–0.3%, it provides mood-boosting and focus-enhancing benefits. Always consult a healthcare professional before using cannabis for medical purposes.
What is the THC content of Jack Herer?
Jack Herer typically contains 18–24% THC and 0.1–0.3% CBD. Actual potency varies depending on growing conditions, phenotype, and harvest timing. This is a moderately potent strain suitable for regular consumers.
How hard is it to grow Jack Herer?
Jack Herer is rated as moderate to grow. This strain requires some growing experience, including knowledge of proper nutrient schedules, humidity control, and training techniques. Jack Herer flowers in 8–10 weeks and reaches a tall height (Tall (5+ ft)). Expected yields are approximately 400-500g/m² indoors and 500-600g/plant outdoors. Key cultivation tips include: Top and train early to manage height and create an even canopy; Phenotype variation is common — select the best performers for cloning.
What strains are similar to Jack Herer?
Strains similar to Jack Herer include Sour Diesel, Super Lemon Haze, Amnesia Haze, Northern Lights. These strains share similar genetics, effects, or terpene profiles. Jack Herer is a sativa strain bred from Haze x Northern Lights #5 x Shiva Skunk, so strains that share parent genetics or similar terpene profiles (Terpinolene, Myrcene, Pinene) will likely produce comparable effects. Use Cannabismarketcap's strain comparison tool to compare Jack Herer side-by-side with any other strain on effects, THC content, flavors, and growing characteristics.
Where can I find Jack Herer seeds or flower?
Jack Herer was originally bred by Sensi Seeds and comes from Haze x Northern Lights #5 x Shiva Skunk genetics. Seeds and clones may be available from licensed seed banks and dispensaries in states and countries where cannabis is legal. Availability varies by region and season — popular strains like Jack Herer are typically stocked by major seed banks. Always purchase from licensed, reputable sources to ensure genetic authenticity. In the United States, seed availability depends on your state's cannabis laws; check Cannabismarketcap's state guides for your local regulations on home cultivation and seed purchases.
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Disclaimer: Strain information is provided for educational purposes only. THC/CBD percentages are approximate ranges and vary by phenotype, growing conditions, and lab testing methodology. Effects are subjective and may differ from person to person. Medical information is not a substitute for professional medical advice. Always comply with your local laws regarding cannabis possession and cultivation.