Q
My buds are showing grey spots in week seven, what now?
A
Isolate the affected plants, increase extraction and lower humidity immediately; trim affected buds and improve airflow to prevent spread.
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- Cerebral lift, citrus diesel, controlled growth
Mac N Jack
Regular
Mac N Jack is a sativa-dominant hybrid offering uplifting clarity and resinous buds suited to controlled indoor grows.
Why choose Mac N Jack?
- Sativa clarity with stable structure
- Terpene-rich citrus and diesel profile
- Performs well when humidity is controlled
THC |
20% |
CBD |
0.50% |
Lineage |
MAC x JACK |
Genotype |
Sativa-dominant hybrid |
Difficulty |
Intermediate |
Flowering |
9 weeks |
Height |
Medium-tall (1.2–2.0 m outdoors) |
Yield |
Medium-high (approx. 450–500 g/m² indoors) |
Taste |
Citrus, Diesel, Earthy spice |
Seed Type |
Feminised |
Climate |
humid indoor grow rooms |
Effects |
Uplifting, Focused, Mild body relaxation |
Environment |
Indoor/Outdoor |
About Mac N Jack
Mac N Jack is a sativa-dominant hybrid bred from MAC and Jack Herer that produces bright citrus-diesel aromas and a focused, uplifting high. It flowers in around nine weeks and rewards growers who manage humidity and airflow carefully. In humid indoor grow rooms and northern locations, careful environmental control yields dense, aromatic flowers with good cannabinoid content.
Grow Difficulty:
Under humid indoor grow rooms, Mac N Jack ranks as an intermediate grow that tolerates common mistakes but needs attention to air flow and hygiene. Preventative ventilation and dehumidification are essential to avoid mildew and bud rot.
Flowering Time:
Flowering commonly completes in about 8–10 weeks with most phenotypes finishing near nine weeks. Buds bulk substantially in the final two weeks with appropriate feeding.
Yield:
Yields are medium to high; indoor setups can produce roughly 450–500 g/m² with optimised conditions. Outdoor harvests in Lancashire can match indoor weights if mould is controlled and the season stays dry.
Height:
Plants develop a medium-tall structure with long internodes and a pronounced central cola. Training and topping readily produce multiple productive sites.
Environment:
Indoors, growers in Lancashire can control height and canopy with SCROG or topping to produce dense, resinous flowers. Outdoors in Lancashire the strain benefits from a long, sunny autumn but requires active mould prevention.
Climate:
Growing Mac N Jack in Lancashire requires attention to humid indoor grow rooms, so strong extraction and dehumidifiers are recommended throughout flowering. In Lancashire control of humidity and airflow is the defining factor between a clean crop and mould issues.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
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Choose seed quantity
Selected:
5 Seeds
£8.00 / seed • You save £13.33
100% Satisfaction Guarantee • Secured Payments