
LA Jack Feminised
Grow LA Jack Feminised in New Zealand. Hybrid genetics testing at 24% THC. Known for euphoric, creative, calm effects. Ships discreetly nationwide with sourced grow figures.
Royal King Genetics — first-party test batch
Figures below are from our internal seed-lot QC and verified New Zealand grower submissions, not breeder marketing. Determined from a single batch tested 2026-03-29 on 150 seeds.
About LA Jack Feminised
Open a jar of properly cured LA Jack and the first impression is unmistakably caryophyllene — a warm, peppery spice that registers almost as heat on the palate, layered with dried clove and sandalwood. Beneath this primary note, limonene introduces a bright citrus lift that emerges mid-palate. This 62/38 hybrid tests at 24% THC, but the sensory journey is what distinguishes LA Jack from other cultivars at comparable potency. Think of it like comparing a single-origin wine to a blended table variety — the numbers might overlap, but the experience diverges sharply.
Developing the Full Flavour Profile
Growing LA Jack for maximum terpene expression requires deliberate choices that differ from growing purely for yield. The Caryophyllene/Limonene/Myrcene profile responds particularly well to organic living soil — the microbial activity in a well-established no-till bed creates secondary metabolites that synthetic nutrients simply cannot replicate. growers here have access to excellent local compost and worm casting suppliers that make this approach practical.
During the 60-70 days period, avoid foliar sprays after week 2 — anything deposited on developing trichomes compromises the aromatic purity at harvest. Temperature manipulation in the final three weeks profoundly influences which terpenes dominate the cured flower: cooler night temperatures (16-18°C) amplify caryophyllene expression, whilst warmer finishes preserve the lighter myrcene top notes.
The cure is where most growers leave flavour on the table. After a 10-14 day hang dry at 15-18°C and 55-60% relative humidity (a challenge in New Zealand summers — a climate-controlled room or wine fridge set to 16°C works brilliantly), transfer to glass jars and burp twice daily for the first fortnight. The limonene secondary notes that make this strain genuinely special only emerge after 21-28 days of jar curing. Patience transforms a good flower into a remarkable one.
Flowering: 60-70 days. Indoor yield: up to 400 g/m2. Outdoor yield: up to 500 g/plant. Rated intermediate difficulty.
Flavour, Aroma, and Experience
The sensory arc of LA Jack unfolds in stages. Initial inhalation at 24% THC brings a warm peppery spice that tingles at the back of the throat. The euphoric, creative, calm effects emerge within minutes, presenting as a simultaneous head-and-body experience. Mental clarity remains intact whilst the muscles release tension progressively. This dual action makes it adaptable — a lighter dose suits afternoon tasks, a heavier dose transitions seamlessly into evening relaxation. The limonene secondary terpene adds a distinct layer: a mood-elevating brightness that counterbalances any heaviness.
Terpene Breakdown
Primary: Caryophyllene · Secondary: Limonene · Tertiary: Myrcene. Flavour translation from flower to vapour and smoke differs with this terpene combination. Low-temperature vaporisation (180-188°C) highlights the limonene and myrcene notes whilst keeping caryophyllene as a foundation. Higher temperatures or combustion flatten the profile into a single-note experience — still pleasant, but lacking the complexity that makes this cultivar genuinely interesting to those who appreciate flavour.
Suitability and Recommendations
Who grows LA Jack successfully? Indoor growers seeking full control over their harvest timeline. Outdoor cultivators who want to decide exactly when flowering begins. Anyone with the space and patience to vegetate this plant to its full potential before triggering bloom. Difficulty is rated intermediate, meaning a moderate learning curve that rewards attention without demanding laboratory-grade conditions. Delivered nationwide in discreet, unbranded packaging with sourced grow data on every strain page.
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LA Jack Feminised — Breeder Information
Royal King GeneticsBred and stabilised in-house by Royal King Genetics — our internal breeding team. Every batch is QC'd and germ-tested above 99% before it ships. Read the full breeding process and about page.
Four rounds of filial stabilisation on the LA Jack cross. The pack-to-pack uniformity expression sits uniform; pheno-to-pheno yield variation runs within ±10% of the published numbers.
Carry LA Jack from F1 cross to F4 production-ready seed stock.
Chosen for trichome density, bud structure and the hybrid trait balance the cross was engineered for.
Royal King Genetics breeding facility — pollen from internally selected sibling males of the recurrent parent.