Strain Profile: Jack Herer by Green House Seeds

Green House Seeds – Jack Herer Stats at a Glance

Name: Jack Herer

Breeder: Green House Seeds

Autoflower or Feminized: Feminized

Indica and Sativa Content: Indica 60%, Sativa 40%

THC Content: 21%

Indoor Yield: 600 gr/m2

Outdoor Yield: 780 gr/m2

Time to Flower: 7-9 Weeks

Tasting Notes: Pine, Spicy/Herbal, Woody

Primary Terpenes: Terpinolene, Pinene, Caryophyllene

Recommended Skill Level: Advanced


About Jack Herer by Green House Seeds

The Jack Herer cannabis strain, developed by Green House Seeds, is a tribute to the legendary cannabis activist and author of “The Emperor Wears No Clothes,” Jack Herer himself. This homage to a luminary in cannabis advocacy was meticulously engineered through the strategic breeding of a complex lineage, which includes a mix of Haze, Northern Lights #5, and Shiva Skunk. Since its inception, the strain has garnered widespread acclaim for its robust genetic profile, characterized by a harmonious balance of sativa and indica effects, and a flavor profile that captures the essence of earthy terroir laced with notes of pine and spice. Its undeniable superiority in the field of cannabis varieties is reflected in the multiple accolades and honors that it has received over time, including but not limited to prestigious High Times Cannabis Cup awards. The impact of Jack Herer on the cannabis industry is monumental, marking a paradigm shift in the cultivation and hybridization techniques of breeders worldwide. Today, it stands as a cornerstone in cannabis culture, widely revered for its quality, potency, and the enduring legacy of its namesake, establishing itself as a timeless classic in the pantheon of cannabis strains.

Is Jack Herer feminized or autoflower?

Jack Herer is an Feminized strain.

Benefits of Feminized Strains

The Feminized strain Jack Herer, meticulously bred by Green House Seeds, provides cultivators with a host of strategic advantages, chiefly the elimination of male plants from the growth operation. This ensures that every seed planted matures into a female plant, optimized for producing high-quality, cannabinoid-rich buds without the risk of male pollination and seed development. This feature is particularly critical for maximizing the yield per square meter, targeting an impressive indoor harvest of 600 gr/m2 and an outdoor yield of up to 780 gr/m2, as all energy is directed towards flower production rather than seed formation. Additionally, the uniformity of growing feminized plants simplifies the cultivation process, reducing the need for constant surveillance for male plants during the critical pre-flowering stage. This streamlining facilitates a more predictable and efficient grow cycle, allowing cultivators to plan and execute their grow with precision and confidence. The feminized nature of Jack Herer also ensures that the distinctive terpene profile—rich in Terpinolene, Pinene, and Caryophyllene—and the balanced 60% Indica and 40% Sativa lineage are consistently expressed in each plant, providing uniformity in flavor, aroma, and effects that connoisseurs and patients alike have come to rely on for its invigorating yet serene experience.

Indica and Sativa Percentage in Jack Herer

The cannabis seed strain Jack Herer, expertly crafted by Green House Seeds, boasts a meticulously balanced genetic profile of 60% Indica and 40% Sativa. This carefully designed composition ensures that cultivators and users experience the optimal blend of both worlds—the Indica dominance imparts a physical relaxation typical of its lineage, while the 40% Sativa influence maintains a cerebral uplift, providing a clear-headed and energizing effect. This hybridization creates a multifaceted experience that suits various preferences, settings, and times of day. The 60/40 ratio is integral to Jack Herer’s genetic identity, contributing to the strain’s renowned effects, growth patterns, and resilience, making it a distinctive choice for those seeking a harmonious convergence of relaxation and alertness.

Things to Consider When Growing Jack Herer Indoors

Successful indoor cultivation of the Jack Herer strain, a complex blend of 60% Indica and 40% Sativa genetics, requires precise environmental control and attention to detail. Optimal temperature range for this strain resides between 68-80°F, with a slight reduction during the dark cycle to emulate natural night conditions. Humidity levels should be closely monitored and adjusted throughout different growth stages—beginning at 60-70% during vegetative phases and tapering to 40-50% as flowering commences—to prevent mold and encourage healthy resin production. Adequate lighting, encompassing an initial 18/6 hour light/dark cycle that transitions to 12/12 to trigger flowering, is critical, with high-intensity discharge lamps like MH or HPS being ideal for driving robust growth and sizeable yields. Nutrient administration tailored to the plant’s life stage is paramount; a switch from higher nitrogen levels in vegetative growth to increased phosphorus and potassium during flowering ensures dense, potent buds. Watering should be regular but cautious to avoid overwatering, with Jack Herer requiring a well-draining soil medium to thrive. Growers must remain vigilant for signs of nutrient deficiencies, pest invasions, or environmental stress, which Jack Herer’s advanced growth profile might attract. Implementing these strategies with precision will allow cultivators to harness the full potential of this revered strain within the confines of an indoor grow operation.

Things to Consider When Growing Jack Herer Outdoors

Outdoor growth of the Jack Herer cannabis seed strain is subject to several pivotal factors, primarily the climate, which must offer a consistent period of warm, sunlit weather, typically resembling a Mediterranean environment, to reach its maximum yield potential of up to 780 gr/m2. The strain thrives in ample sunlight exposure, requiring at least eight hours of direct light daily to fuel its robust development and potent cannabinoid profile with a THC content of 21%. Soil quality is instrumental in the manifestation of Jack Herer’s pine, spicy, and woody flavor notes; soil must be rich in organic nutrients, with well-balanced pH levels and excellent drainage to accommodate its advanced root system. Watering schedules must be adapted to outdoor variables, ensuring plants receive adequate moisture without becoming waterlogged, a balance that depends heavily on local rainfall patterns and temperatures. Moreover, given its reputation as a strain for more experienced cultivators, Jack Herer presents a formidable resilience to common pests and diseases, although vigilance against mold, spider mites, and powdery mildew remains critical. Growers must also account for the strain’s distinct 60% Indica and 40% Sativa genetic split, which influences not only the sturdy, bushy growth typical of Indicas but also allows for the height and structural support characteristic of Sativas, necessitating strategic plant spacing and training techniques such as topping or Screen of Green (SCROG) to manage its vigorous outdoor growth effectively.

Factors That Affect Flowering Time In Jack Herer

To accelerate the flowering time of the “Jack Herer” strain, precise optimization of environmental conditions is critical. Begin by reducing the light cycle to 12 hours of light and 12 hours of darkness to induce flowering more quickly. Ensure that the lighting is intense enough (using High-Pressure Sodium lamps) and uniformly distributed to promote an even flowering response from your plants. Maintain a stable temperature range between 68-78°F during the light period and a 10-15°F drop during the dark period to simulate natural conditions and stimulate flower development. Humidity control is also crucial; aim to keep it around 45-55% to reduce the risk of mold and to enhance trichome production. In terms of nutrients, provide a bloom-specific fertilizer with lower nitrogen and higher phosphorus and potassium contents, which are essential for flower formation, and be cautious not to overfeed as nutrient burn will delay flowering. Implement a careful pruning strategy to remove unnecessary foliage and lower branches that receive little light, which diverts the plant’s energy to the topmost buds. Clearing out this excess growth allows better air circulation and light penetration, promoting more robust and uniform flowering among the canopy. Steer clear of high-stress training techniques during the flowering stage, as they can stress the plant and extend the time to harvest. Lastly, ensure that Jack Herer, known for its 7-9 weeks flowering period, is given the uninterrupted dark periods it requires as any light leaks can disrupt the cycle and prolong the time to maturity. By adhering strictly to these parameters, the flowering time of Jack Herer can be optimized for a timely and abundant harvest.

What are the differences between the Jack Herer strains from Green House Seeds and Sensi Seeds?

The Jack Herer feminized strain profile from Green House Seeds offers a potent and uplifting high with a blend of Sativa and Indica effects. On the other hand, Sensi Seeds’ version of the strain is known for its earthy and spicy aroma, providing a balanced cerebral and physical buzz.

Learning About the Terpenes in Jack Herer

In the cannabis seed strain “Jack Herer,” the terpenes Terpinolene, Pinene, and Caryophyllene orchestrate a complex symphony of flavors and effects. Terpinolene brings forth a nuanced aroma – a conglomerate of sweet, floral, herbal, and even citrus notes, enhancing the strain with a fresh and sometimes fruity taste palate. Beyond its alluring scent, Terpinolene may contribute to Jack Herer’s uplifting and creative effects, typically associated with sativa strains, potentially aiding in mood enhancement and alertness. Pinene, the second primary terpene, exudes a sharp, crisp pine aroma, reminiscent of a forest morning, and sharpens the strain’s woody characteristics. This terpene not only contributes a refreshing piney undertone to the flavor profile but may also provide potential therapeutic benefits like bronchodilation, aiding in respiratory function, and counteracting short-term memory impairment commonly associated with THC. Caryophyllene, the third major terpene, is recognized by its spicy, peppery kick that infuses depth into the flavor profile, rounding out the herbal complexities of Jack Herer. It binds to CB2 receptors in the body’s endocannabinoid system, suggesting anti-inflammatory properties that can offer a soothing, calming effect, which might alleviate stress and pain without inducing intoxication. The combined effects of these terpenes, when interacting synergistically with cannabinoids and other phytochemicals present in “Jack Herer,” are thought to contribute to what is known as the entourage effect—enhancing the overall therapeutic potential and modulating the psychoactive effects of the strain to deliver a balanced, harmonious experience.