Jack Herer Feminized

Here is what Jack Herer actually delivers at harvest: 350-450g/m² per square metre indoors, 500-700g/plant per plant outdoors in Australian conditions, with resin production peaking at 18% THC across tested samples. Those numbers tell a story when you work backwards through the 9-11 weeks flowering window. Weight distribution across the 9-11 weeks bloom cycle is pleasingly even, with a noticeable surge in the closing two weeks that rewards growers who resist harvesting prematurely. The 45/55 balance means you get both calyx stacking density and respectable trichome spread. For outdoor Australians, the ideal harvest window lands between mid-March and mid-April — early enough to dodge late-autumn moisture in most states, late enough to capture the full myrcene terpene development.

To reach the upper end of yield potential (350-450g/m² indoors, 500-700g/plant outdoors), focus your efforts on three critical windows during the 9-11 weeks flowering period.

Window 1: The first 10 days after flowering begins. Stretch management determines canopy uniformity, which directly impacts light distribution and final yield. Moderate 30-40% stretch is typical. One round of low-stress training on the tallest shoots keeps everything level.

Window 2: Weeks 3-5 of bloom. Myrcene terpene biosynthesis ramps up during this period. Maintain a day/night temperature differential of at least 6-8°C to encourage terpene accumulation — Australian autumn evenings (March-April) naturally provide this swing for outdoor growers. Indoor cultivators should target 25-26°C during lights-on and 18-20°C during lights-off. Supplement with potassium-heavy bloom nutrients at EC 1.6-1.8.

Window 3: Final 10-14 days before harvest. Cease all nutrient input and flush with pH-adjusted water. Monitor trichomes daily with a 60x jeweller's loupe — harvest at 10-15% amber for a balanced effect. Southern Hemisphere outdoor growers: this window typically falls in late March through mid-April.

Plant height: Tall (120-150cm). Difficulty: intermediate.

Australian users report focused, energetic as the defining characteristics, and our experience aligns with that consensus. At 18% THC, this hybrid sits in a potency bracket where versatility is the main advantage. Morning users report functional clarity at lower doses. Evening users report satisfying relaxation at higher doses. The ${indica}/${sativa} balance means the dominant effect direction shifts with consumption amount rather than being locked into a single character. The Myrcene/Limonene terpene combination imparts a flavour that lingers on the palate — earthy and slightly sweet with a fruit-like finish.

Ideal settings: adaptable across occasions — adjust dose to match the energy level your situation calls for.

Primary: Myrcene · Secondary: Limonene · Tertiary: Pinene. Together these three compounds construct an aromatic signature that evolves throughout the curing process. Freshly dried flower leads with myrcene presence, but after three to four weeks in sealed glass jars at 16-18°C, the pinene undertone strengthens and the overall bouquet develops a layered complexity. Vaporisation between 180°C and 195°C captures the broadest spectrum of these terpenes — higher temperatures degrade the more volatile pinene molecules first.

Jack Herer suits growers with fundamental skills already established. You should understand pH management, basic nutrient ratios, and light cycle requirements before committing to this cultivar — it will not hold your hand, but it will not punish minor mistakes harshly either. Photoperiod genetics give you complete control over plant size and harvest timing — extend the vegetative phase for larger plants or flip early for a quicker turnaround in compact spaces. The Australian growing season (October through April) accommodates the 9-11 weeks bloom period comfortably for outdoor cultivators in all states. Shipped discreetly throughout Australia with our germination guarantee.