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Grape Mac

Feminised

Grape Mac is an indica-leaning hybrid prized for grape-forward flavours and sedating effects.

Why choose Grape Mac?
  • Grape-forward aroma with resin
  • Short flowering for cooler seasons
  • Compact, bushy structure
THC 20-24%
CBD <1%
Lineage Grape Ape x MAC
Genotype Indica-dominant hybrid
Difficulty Moderate
Flowering 8-9 weeks
Height Short to medium, bushy
Yield Medium to high
Taste Grape, Earthy, Chocolate
Seed Type Feminised
Climate Cool, wet climates; tolerant but vulnerable during a rainy autumn harvest season
Effects Relaxed, Euphoric, Sedating
Environment Indoor and outdoor

About Grape Mac

Grape Mac is an indica-leaning hybrid bred from Grape Ape x MAC that performs well in cool, temperate regions. It produces dense, resinous buds with a pronounced grape and dark-berry profile and a sedating, euphoric effect; growers in the UK value its compact habit and reliable flowering window of around eight to nine weeks. In Dorset and similar areas, attention to late-season wet weather helps protect quality during the rainy autumn harvest season.

Grow Difficulty:

Growing Grape Mac is moderately challenging during a rainy autumn harvest season because prolonged wet periods increase mould pressure. Attention to humidity and timely decisions around crop finish are important to protect bud quality.

Flowering Time:

Flowering typically completes in about 8 to 9 weeks indoors. Outdoor plants in the UK generally finish by early to mid-autumn if started in good time.

Yield:

Yield is medium to high when plants remain healthy and avoid late-season rot. Outdoor results depend heavily on the final weeks of weather.

Height:

Plants tend to stay short to medium with a bushy, compact habit that favours dense colas. Lateral branching is strong and supports multiple main buds without excessive vertical stretch.

Environment:

Grape Mac performs well both indoors and outdoors and suits smaller grow spaces in Dorset. Outdoors it benefits from a sheltered site to reduce exposure to persistent autumn rains.

Climate:

Growing Grape Mac in Dorset requires planning for a rainy autumn harvest season with frequent wet spells. Selecting a well-drained, sheltered position or considering protected finishing helps reduce mould risk in Dorset.

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
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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
How did your Dorset outdoor Grape Mac fare this season?
A
Verified answer
It held up well until late autumn rains increased mould pressure, so the best results came from plants in the most sheltered spots.
Common question Posted by Urbanseedbank Answered
Q
Any consistent phenotypes worth noting?
A
Verified answer
Most phenotypes show dense, grape-scented buds and similar finishing times, with a few displaying stronger chocolate overtones.
Common question Posted by Urbanseedbank Answered
Q
Do you prefer Feminised or autoflower seeds here?
A
Verified answer
I use Feminised that allow clearer control of timing for a UK season, though autoflowers can be useful in specific rapid rotations.
Common question Posted by Urbanseedbank Answered
Q
How do you judge a Dorset harvest date?
A
Verified answer
I plan conservatively around local weather forecasts and focus on avoiding the wettest weeks rather than chasing maximum ripeness.
Common question Posted by Urbanseedbank Answered
Q
Would you recommend it to other growers in the south west?
A
Verified answer
Yes, provided they accept the need to manage late-season moisture and choose sites that offer some protection from persistent rain.

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