
- White Mac — resin-rich hybrid tailored for modern growers
White Mac
White Mac is a resinous hybrid that balances uplifting cerebral effects with gentle body relaxation and performs well indoors under LED.
- Resin-heavy buds ideal for extracts
- Performs strongly under LEDs
- Balanced high for day or evening use
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20-24% |
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<1% |
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Mac 1 x White Widow |
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Hybrid |
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Moderate |
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8-10 weeks |
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Medium; typically 60-120 cm indoors and taller outdoors |
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400-550 g/m² (indoor), 400-600 g/plant (outdoor in good conditions) |
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Citrus zest, Earthy spice, Creamy vanilla |
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Feminised |
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variable British weather |
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Uplifting euphoria, Relaxed body sensation, Clear mental focus |
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Suitable for both indoor and outdoor cultivation with a preference for controlled indoor environments |
About White Mac
White Mac is a dependable hybrid prized for heavy trichome production and a clear, manageable high. It adapts well to controlled indoor environments and can produce strong outdoor yields in sheltered sites, making it a versatile choice for growers in temperate regions.
White Mac is a balanced hybrid showing both sativa lift and indica stability. The plant expresses dense resin production and a compact bud structure for versatile cultivation.
THC levels are typically in the low twenties per cent, offering a potent but manageable high. Users report predictable strength that suits daytime or evening sessions depending on dose.
CBD is low in this variety, so therapeutic effects come mainly from THC and terpenes. Patients seeking high-CBD profiles should consider other cultivars or blends.
White Mac descends from Mac 1 crossed with White Widow, combining resin production with balanced effects. The cross enhances trichome density and stabilises vigour across phenotypes.
Feminised seeds ensure growers get predominantly female plants without the need to sex seedlings. This simplifies canopy planning and reduces space wasted on males.
Growers in the UK will find White Mac moderate to cultivate and responsive to training, but it does need attention to humidity and nutrients. Variable British weather makes outdoor runs unpredictable, so many growers mitigate risk with greenhouse or indoor setups.
Flowering typically completes between eight and ten weeks under ideal conditions. Expect generous resin development in the final two to three weeks.
Indoors White Mac can produce between 400 and 550 grams per square metre under good LED rigs. Outdoors yields vary but can be very respectable when plants finish before autumn rain.
Plants show a medium, bushy structure with strong side branching suited to SCROG and SOG methods. They remain manageable in height indoors but can reach greater size outdoors with space.
White Mac performs consistently under controlled indoor lighting in Manchester where growers can regulate humidity and temperature. Outdoor plants in Manchester benefit from a sheltered spot or a greenhouse to avoid late-season rain.
Growing White Mac in Manchester requires planning for the variable British weather, including sudden wet spells and cool nights. A greenhouse or indoor LED environment in Manchester helps to control humidity and avoid mould during autumn.
The high brings an immediate uplift that shifts into a calm, grounded body feel. Consumers report clear-headed focus allowing for functional use in low to moderate doses.
The aroma combines citrus top notes with an earthy, creamy background. Smoke and vapour deliver a smooth, slightly spicy finish.
Frequently Asked Questions
Common questions about this strain, covering growth, effects, and suitability for UK conditions.
Most feminised White Mac seeds germinate within 24 to 72 hours under stable warmth and moisture, though some may take up to a week.
Use 18/6 or 24/0 for veg and switch to 12/12 for flowering; keep consistent dark periods during flower to avoid stress.
Humidity control is vital, particularly during late flower when dense buds are at risk of mould; aim for 40-50% RH in peak bloom.
A balanced NPK feed in veg with a phosphorus and potassium boost in flower works well; reduce nitrogen in the final weeks to enhance bud finish.
Yes, LST is effective for White Mac to improve light penetration and even out the canopy without shocking the plants.
Monitor trichomes and aim to harvest when most are milky with some amber for a balanced high and full cannabinoid profile.
Dry slowly in a dark, ventilated space at around 18-20°C and 45-55% RH, then cure in jars for several weeks to develop aroma and smoothness.
Watch for spider mites, powdery mildew and botrytis; regular inspection and good airflow reduce these risks.
Indoor LED cannabis cultivation provides stable light and lower heat stress, allowing White Mac to express resin and terpene profiles optimally under controlled conditions.
Training is recommended; techniques like SCROG, topping and LST increase light exposure and can significantly raise yields.
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