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Mac Berry

Regular

Mac Berry is a fruity hybrid well suited to greenhouse and outdoor growers seeking balanced effects.

Why choose Mac Berry?
  • Berry-forward aroma with a potent yet balanced high
  • Performs strongly in sheltered Warwickshire greenhouses
  • Reliable yields for intermediate growers
THC 18-22%
CBD 0.1-0.3%
Lineage MAC x Blueberry
Genotype Hybrid
Difficulty Intermediate
Flowering 8-9 weeks
Height Medium (80-160 cm)
Yield Medium-high (400-500 g/m² indoor, 400-700 g/plant outdoor)
Taste Berry, Citrus, Earthy
Seed Type Feminised
Climate Humid greenhouse
Effects Uplifting, Creative, Relaxed
Environment Greenhouse and outdoor

About Mac Berry

Mac Berry is a dependable hybrid that blends MAC potency with a Blueberry-derived fruitiness. It thrives in sheltered outdoor sites and greenhouses, producing resinous, aromatic buds with uplifting cerebral effects that mellow into comfortable relaxation. The variety suits intermediate growers prepared to manage humidity and airflow, and it rewards careful training and feeding with solid yields and pronounced flavour.

Grow Difficulty:

Under humid greenhouse conditions Mac Berry is best handled by intermediate growers who monitor airflow and mould risk. Good ventilation and attentive canopy work reduce disease pressure and improve bud quality.

Flowering Time:

Flowering completes in around 8 to 9 weeks under optimal light and feed regimes. Outdoor finishes depend on local climate and frequently occur in late September in temperate areas.

Yield:

Yields are medium to high when trained and fed correctly, with indoor runs commonly reaching 400–500 g/m². In favourable Warwickshire microclimates outdoor and greenhouse plants can produce 400–700 g per plant.

Height:

Plants show a medium, bushy structure with substantial lateral branching suitable for SCROG or SOG. Expect final heights from 80 cm to 160 cm depending on training and environment.

Environment:

Indoors Mac Berry responds well to topping and screen training to control its stretch. Outdoors and in greenhouses in Warwickshire it rewards attentive growers with dense buds and strong resin production.

Climate:

Growing Mac Berry in Warwickshire benefits from sheltered sites such as greenhouses where humidity is easier to manage. In humid greenhouse conditions growers should focus on ventilation, dehumidification and disease prevention to avoid mould.

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
£53.33 £40.00
£8.00 / seed • You save £13.33
Accepted payment methods
100% Satisfaction Guarantee • Secured Payments
Urbanseedbank Support

Questions & Answers

Customer questions and answers from the Urbanseedbank team. Submit your own question and we’ll respond after review.

5 questions Answered posts are shown first.
Common question Posted by Urbanseedbank Answered
Q
I'm seeing early bud rot in my greenhouse, what now?
A
Verified answer
Remove affected buds immediately, increase airflow and spacing, and lower humidity with dehumidifiers or timed venting to prevent further spread.
Common question Posted by Urbanseedbank Answered
Q
Which training method gave you the best yields with Mac Berry?
A
Verified answer
SCROG delivered consistent indoor yields by evening out the canopy and exposing lower budsites to light, while LST combined with selective defoliation worked outdoors.
Common question Posted by Urbanseedbank Answered
Q
Any tips for flushing before harvest?
A
Verified answer
Flush with plain pH-balanced water for 7–10 days pre-harvest to reduce nutrient residues and improve the smoothness of the cured flower.
Common question Posted by Urbanseedbank Answered
Q
How do you manage feeding for big outdoor specimens?
A
Verified answer
Use soil-building techniques, organic composts and periodic liquid feeds; heavy-feeding early and tapering during late flower prevents nutrient burn and improves terpene expression.
Common question Posted by Urbanseedbank Answered
Q
When should I start dehumidifying in the greenhouse?
A
Verified answer
Begin dehumidifying as soon as flowers form and humidity rises, often around week two of flowering, to keep mould risk low during bud swell.

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