Pure Jack by 710 Genetics

Pure Jack Strain Info

Pure Jack by 710 Genetics is a sativa-dominant hybrid that combines the legendary Jack Herer with an elite clone, resulting in a strain that stands out in any collection. This feminized cannabis seed offers a harmonious blend of cerebral stimulation and physical relaxation, making it a favorite among enthusiasts.

Flowering Time & Yield

With a flowering period of approximately 10 to 11 weeks, Pure Jack rewards growers with medium to high yields. Indoor cultivators can expect robust plants that flourish under controlled conditions, while outdoor growers should plan for a harvest around November. The buds are dense, generously coated with trichomes, and exude a captivating aroma.

Effects and Aroma

Pure Jack delivers a potent, dual-effect experience. Users often report an uplifting cerebral high that sparks creativity and focus, seamlessly transitioning into a soothing body buzz that melts away tension. The aroma is a delightful mix of sweet, spicy, and earthy notes, with hints of pine and wood, making each session a sensory pleasure.

Growing Tips & Expert Advice

Pure Jack is a resilient strain that thrives in various environments, making it a solid choice for both experienced and novice growers. One of its standout qualities is its strong resistance to pests and diseases, which means less worry about common cultivation issues. However, due to its sativa-dominant genetics, it can stretch significantly, so controlling its height indoors may require training techniques like LST (Low-Stress Training) or topping.

This strain flourishes in warm, Mediterranean-like climates when grown outdoors, but it also performs exceptionally well indoors with proper lighting and air circulation. Given its longer flowering time, ensuring steady environmental conditions will help maximize yield and potency. While it doesn't demand excessive nutrients, a balanced feeding schedule will encourage robust growth and resin production.

We’d rate Pure Jack’s difficulty level as moderate. It requires some attention to its structure, but the reward is worth it. What impresses us most is its exceptional trichome coverage, making it an excellent choice for extraction purposes. Seeing its glistening buds in the final weeks of flowering is a visual treat that every grower will appreciate.

Pure Jack Strain Characteristics

• Genetics: Jack Herer x Elite Clone
• Breeder: 710 Genetics
• Type: Feminized cannabis seeds
• Flowering time (indoor): 10-11 weeks
• Harvest time (outdoor): November
• Indoor height: Medium to tall
• Outdoor height: Tall
• Indoor yield: Medium to high
• Outdoor yield: High
• THC content: 15-17%
• CBD content: Low
• Structure: Sativa-like stretch with dense, trichome-covered buds
• Bud density: Thick and resinous
• Resilience: Highly resistant to pests and diseases
• Climate preference: Warm, Mediterranean, adaptable indoors
• Difficulty level: Moderate
• Aroma: Sweet, spicy, earthy, pine
• Flavor: Woody, herbal, slightly sweet
• Effects: Uplifting cerebral high followed by deep relaxation
• Medical potential: Stress relief, focus, mild pain relief
• Best for: Indoor, outdoor, extractions, creative activities

Pure Jack Strain FAQ

Is Pure Jack sativa or indica?

Pure Jack is a sativa-dominant hybrid, meaning it carries more traits from the sativa side of cannabis genetics. If you're unfamiliar with the difference, here’s a quick breakdown: Sativa strains typically grow taller, have longer flowering periods, and produce uplifting, cerebral effects that boost creativity and focus. In contrast, indica strains are shorter, bushier, and known for their relaxing, body-heavy effects.

Since Pure Jack leans toward the sativa side, it tends to grow tall and stretchy, producing long, resin-coated buds. Its effects begin with a heady, energetic buzz before settling into a smooth, relaxing body high, making it a well-balanced strain for day or evening use.

How long does Pure Jack take to flower?

Pure Jack has a longer flowering time due to its sativa genetics. Indoor growers should expect a flowering period of around 10 to 11 weeks, while outdoor growers will need to wait until November for full maturity. This patience pays off with dense, trichome-rich buds that deliver exceptional potency and aroma.

Is Pure Jack easy to grow?

We’d classify Pure Jack as a moderately difficult strain to grow. While it is highly resistant to pests and diseases, its tall structure may require height management in indoor setups. Techniques like LST (Low-Stress Training) or topping can help control its growth and maximize light exposure for better yields.

How much yield can I expect from Pure Jack?

Pure Jack delivers medium to high yields, depending on the environment and cultivation techniques. Indoors, it produces a respectable harvest, while outdoor plants—given ample space and sunlight—can reach their full potential with heavy yields. Proper feeding and training techniques can significantly enhance its productivity.

What does Pure Jack taste and smell like?

Pure Jack has a complex and enticing aroma, blending sweet, spicy, earthy, and piney notes. Its flavor profile carries a mix of woody, herbal, and slightly sweet undertones, creating a smooth and enjoyable smoking or vaping experience.

Does Pure Jack produce a lot of resin?

Yes! Pure Jack is highly resinous, making it an excellent choice for hash and concentrate production. Its thick trichome coverage ensures a potent and flavorful end product, perfect for those looking to create extracts or enjoy a strong, terpene-rich smoke.