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G13

★★★★★
Feminised

G13 is an indica-dominant hybrid suited to growers who want dense buds and a strong, relaxing effect.

Why choose G13?
  • Compact plants, heavy resin and a punchy indica effect.
  • Fast seven to nine week flowering for tighter seasons.
  • Handles sheltered outdoor spots well with proper staking.
THC 18-24%
CBD ≤1%
Lineage Unknown x Skunk
Genotype Indica-dominant hybrid
Difficulty Moderate
Flowering 7-9 weeks
Height Short to medium
Yield Medium to high
Taste Earthy, Pine, Sweet-skunk
Seed Type Feminised
Climate windy coastal
Effects Relaxed, Euphoric, Sedative
Environment Indoor/Outdoor

About G13

G13 is an indica-dominant hybrid prized for its compact structure, resin-heavy colas and reliably potent effects. It flowers in seven to nine weeks, performs well both indoors and outdoors when given shelter, and responds positively to training and support; growers in Cardiff and similar coastal regions should plan wind protection and site selection carefully to maximise yield and bud quality.

Grow Difficulty:

G13 requires moderate skill: regular pruning, feeding and pest checks keep plants healthy. In windy coastal growing areas extra staking and windbreaks will prevent stem damage and bud loss.

Flowering Time:

Flowering finishes in around seven to nine weeks indoors under optimal light schedules. Outdoor growers in the UK can expect an autumn harvest when the season allows.

Yield:

Yields are medium to high when plants are trained and fed correctly. Outdoor results depend heavily on shelter and season length, so site selection is important.

Height:

Plants remain short to medium with a strong central cola and compact side branches. That structure makes support straightforward and helps manage exposure to wind.

Environment:

G13 thrives indoors where temperature and humidity are controlled, producing dense, resinous buds. Outdoors in Cardiff choose sheltered spots to reduce salt spray and wind exposure.

Climate:

Growing G13 in Cardiff means planning for windy coastal growing areas with shelter and robust supports. The strain tolerates exposure if planted in a protected microclimate and given attentive staking.

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 grow in a windy Cardiff garden; should I use cages or stakes for G13?
A
Verified answer
Use both: heavy-duty stakes for main stems and soft plant ties, plus cages or trellis on larger plants to distribute wind forces and protect colas.
Common question Posted by Urbanseedbank Answered
Q
My G13 is stretching more than expected outdoors, what next?
A
Verified answer
Apply low-stress training early, top to promote bushiness, and consider a light defoliation to keep energy focused on bud sites rather than excessive vertical growth.
Common question Posted by Urbanseedbank Answered
Q
How often should I water outdoor G13 in a coastal climate?
A
Verified answer
Water deeply but infrequently; check soil moisture regularly as wind can dry out containers and exposed beds faster than inland sites.
Common question Posted by Urbanseedbank Answered
Q
Which pest control do you recommend for coastal grows?
A
Verified answer
Introduce beneficial predators where possible, use insecticidal soaps for soft-bodied pests and maintain plant vigour to reduce susceptibility to infestations.
Common question Posted by Urbanseedbank Answered
Q
Do you switch to a different nutrient mix for coastal outdoor plants?
A
Verified answer
Not necessarily, but monitor plants for signs of salt stress and adjust feeding to focus on phosphorus and potassium during bloom while avoiding salt build-up in the substrate.

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