Jack Herer Weed Strain Review - Plant Expert

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Jack Herer Weed Strain Review

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Jack Herer strain stands as a tribute to the legendary cannabis activist and author.

This strain, created in the mid-1980s by Sensi Seeds, has not only won numerous awards but also captured the hearts of cannabis enthusiasts worldwide.

Jack Herer unique blend of genetics and balanced effects make it a standout choice for both medical and recreational users.


Sativa Dominant Hybrid


55% Sativa / 45% Indica


Northern Lights #5 x Shiva Skunk x Haze


18% – 24%


0.7% – 1%

Side Effects:

Dry eyes, Dry Mouth


Dense, elongated buds with high trichome content


Sensi Seeds


Jack Herer has won at least 14 High Life Cannabis Cups, emphasizing its popularity and quality

Growing Info:

  • Indoor Yield: 1.6 – 2 oz/ft²
  • Outdoor Yield: 18 – 28 oz/plant
  • Flowering Time: 56 – 70 days
  • Outdoor Harvest Time: Late September to early October

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Jack Herer Strain Genetics

Jack Herer’s genetic makeup is a fascinating tapestry woven from Northern Lights #5, Shiva Skunk, and Haze.

This combination yields a slightly sativa-dominant hybrid (55% Sativa / 45% Indica) that embodies the best of both worlds.

The influence of its parent strains is evident in uplifting and energizing effects, combined with a soothing Indica undertone.

This genetic lineage contributes to its versatility and widespread appeal, making it a popular choice in both social and solitary settings.


The effects of Jack Herer are as remarkable as its heritage.

Users report a euphoric, uplifting, and creative high, ideal for daytime use.

It’s known to energize and stimulate, making it perfect for engaging in deep, meaningful conversations or diving into creative projects.

The strain’s cerebral effects are complemented by a comfortable physical relaxation, striking a balance that few strains achieve.

Its ability to uplift without leading to a ‘come-down’ or crash is a testament to its well-rounded nature.

Aroma and Flavor

The aroma and flavor of Jack Herer are a delightful sensory journey.

Piney and citrus notes dominate, mingled with an earthy, spicy undertone.

The initial scent is invigorating, leading to a rich and complex flavor profile upon inhale.

The exhale leaves a lingering aftertaste that’s both pleasant and memorable.

This combination of scents and flavors enhances the overall experience, making each session with this weed uniquely enjoyable.


Jack Herer’s cannabinoid profile is impressive, featuring a THC content ranging from 18 to 24% and a CBD content of 0.7 to 1%.

This high THC level contributes to its potent effects, while the moderate CBD content adds a subtle therapeutic dimension.

The strain’s potency makes it suitable for experienced users, while newcomers should approach it with caution.


The terpene profile of Jack Herer is as diverse as it is potent, featuring Limonene, Ocimene, Phellandrene, and Terpinolene.

These terpenes contribute not only to the strain’s distinctive aroma and flavor but also to its potential therapeutic benefits.

For example, Limonene is known for its mood-elevating properties, while Terpinolene adds to the strain’s relaxing effects.

Helps With

Jack Herer strain is highly regarded for its therapeutic benefits, offering relief for a variety of conditions.

Its balanced cannabinoid and terpene profile make it particularly effective for mental health issues like anxiety and depression.

Users often report a significant uplift in mood and a decrease in anxiety levels, making it a popular choice in the medical cannabis community.

Additionally, its pain-relieving properties are beneficial for those suffering from chronic pain.

The anti-inflammatory effects of terpenes like Phellandrene can alleviate discomfort, providing much-needed relief.

Furthermore, this marijuana has been known to help with fatigue.

Its energizing effects can counteract lethargy, making it a suitable option for those needing a boost in energy and focus.

For patients dealing with nausea, especially those undergoing treatments like chemotherapy, Jack Herer can be a godsend.

Its antiemetic properties help ease nausea and stimulate appetite.

Lastly, the strain’s stress-relieving effects are perfect for unwinding after a long day, helping to alleviate stress and promote a sense of well-being.

Growing Info

Cultivating the Jack Herer strain is a rewarding experience for growers of all skill levels.

Its resilience to pests and molds makes it a forgiving choice for beginners, while its responsive nature to various training techniques appeals to more experienced cultivators.

When grown indoors, plants typically reach a height of around 6.5 feet, but can stretch up to 8 feet under optimal conditions.

This makes space management crucial, especially in indoor setups.

Implementing techniques like Screen of Green (SCROG) or Low-Stress Training (LST) can help manage the plant’s height and encourage a more even canopy, leading to a more uniform light distribution and potentially higher yields.

Outdoors, Jack Herer thrives in a Mediterranean climate, with consistent temperatures between 70°F and 85°F.

The strain’s ability to adapt to different environments is a testament to its robust genetics.

In terms of yield, indoor growers can expect between 1.6 to 2 oz/ft², while outdoor cultivators might see as much as 18 to 28 oz per plant.

The flowering time ranges from 56 to 70 weeks, requiring patience but ultimately rewarding growers with dense, trichome-rich buds.

Jack Herer Strain Review

Similar Strains to Jack Herer Cannabis

Jack Herer, with its distinct genetic makeup and balanced effects, has inspired the creation of several similar strains.

  • Purple Jack: This strain combines the cerebral high of Jack Herer with the relaxing properties of Purple Kush. Ideal for those seeking a more sedative effect while maintaining mental clarity.
  • Candy Jack: Born from the union of Jack Herer and Skunk #1, Candy Jack enhances the euphoric and uplifting experience. Its sweet, skunky aroma is perfect for those who prefer a more pronounced flavor profile.
  • Jack Frost: A result of crossing Jack Herer with White Widow and Northern Lights #5, Jack Frost offers an intensified and enduring high. Its woody, pine flavor appeals to users seeking a robust and lingering taste.
  • Critical Jack: Merging Critical Plus with Jack Herer results in a well-balanced, cerebral experience. It’s ideal for users who enjoy a harmonious blend of mental and physical effects.
  • Super Jack: By introducing Super Silver Haze into the mix, Super Jack amplifies the energizing and euphoric qualities of Jack Herer. Its citrusy haze flavor is perfect for those looking for a refreshing and invigorating experience.

Each of these strains offers a unique take on the legendary Jack Herer, catering to a wide array of preferences and needs among cannabis enthusiasts.

Whether you’re seeking a variation in flavor, a shift in effects, or a different growing experience, these strains are worth exploring.

StrainEffectsFlavor ProfileGenetic Information
Purple JackRelaxing, SoothingEarthy, GrapeJack Herer x Purple Kush
Candy JackEuphoric, UpliftingSweet, SkunkyJack Herer x Skunk #1
Jack FrostIntense, Long-lastingWoody, PineJack Herer x White Widow x Northern Lights #5
Critical JackBalanced, CerebralCitrus, SpicyCritical Plus x Jack Herer
Super JackEnergizing, EuphoricCitrus, HazeSuper Silver Haze x Jack Herer


In conclusion, Jack Herer stands as a legendary strain in the cannabis world, beloved for its balanced effects, unique aroma, and rich genetic heritage.

Its versatility in both recreational and medical contexts, combined with its ease of cultivation, makes it a top choice for many.

Whether you’re seeking creative stimulation, social engagement, or relief from various ailments, Jack Herer offers a reliable and enjoyable experience, solidifying its status as a classic in the cannabis community.