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Mac Stomper

★★★★★
Regular

Mac Stomper is an indica-dominant hybrid prized for heavy resin and reliable yields in cooler UK conditions.

Why choose Mac Stomper?
  • High resin production for potent extracts
  • Compact yet generous yielder
  • Well-suited to UK grow spaces
THC 22-26%
CBD ≤1%
Lineage MAC x Stomper
Genotype Indica-dominant hybrid
Difficulty Moderate
Flowering 8-10 weeks
Height Medium-tall (80-150 cm indoors)
Yield Indoor 400-550 g/m²; Outdoor 500-700 g/plant
Taste Earthy diesel, Citrus zest, Sweet herbal exhale
Seed Type Feminised photoperiod
Climate Temperate (southern England)
Effects Cerebral uplift, Relaxed body stone, Increased focus
Environment Suitable for both; prefers controlled indoor environments or sheltered outdoor sites

About Mac Stomper

Mac Stomper is a resilient indica-dominant hybrid bred for dense, trichome-rich buds and stable performance. It suits growers who can provide steady environmental control and pays dividends with generous yields and pronounced terpene profiles.

Grow Difficulty:

Under a temperate southern England climate the strain is moderately challenging due to late-season stretch and mould risk. Good ventilation, selective pruning and steady nutrient schedules reduce issues and improve bud quality.

Flowering Time:

Flowering completes in around eight to ten weeks for most phenotypes. Outdoor growers should plan harvests to avoid autumn rains.

Yield:

Yields are above average for a compact plant when trained correctly. Indoor setups commonly reach 400–550 g/m² while outdoor plants can exceed that in favourable sites.

Height:

Plants develop a strong central cola and numerous side branches, resulting in a medium to tall profile. Expect 80–150 cm indoors and slightly taller outdoors given space.

Environment:

Indoors it responds well to SCROG and SOG methods that control canopy height and light penetration in Edinburgh. Outdoors it performs best in a sheltered, sunny spot with good airflow in Edinburgh.

Climate:

Growing Mac Stomper in Edinburgh works well because the cultivar adapts to the temperate southern England climate with cool nights and mild summers. Drainage, airflow and late-season mould prevention are crucial in these conditions.

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
My buds look dense but small, how can I increase size?
A
Verified answer
Improve light intensity and ensure P and K are available in mid to late flower, and use training to open the canopy for better light penetration.
Common question Posted by Urbanseedbank Answered
Q
Leaves are showing mild yellowing in week six, is that normal?
A
Verified answer
A little yellowing can be normal as the plant redirects nutrients to flowers, but check pH and feed levels to rule out deficiencies.
Common question Posted by Urbanseedbank Answered
Q
Should I top or let the main cola dominate?
A
Verified answer
Topping early and combining with LST encourages multiple strong colas and increases overall yield versus a single dominant cola.
Common question Posted by Urbanseedbank Answered
Q
How do I adapt feeding for Edinburgh conditions?
A
Verified answer
Use a slightly lighter feed schedule and focus on bolstering root health to cope with cooler, wetter outdoor spells common around Edinburgh.
Common question Posted by Urbanseedbank Answered
Q
Is flushing necessary for Mac Stomper?
A
Verified answer
A short flush of 1–2 weeks before harvest helps remove excess salts and can improve final smoke smoothness.

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