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Gmo S1

Feminised

Gmo S1 is an indica-dominant hybrid known for heavy resin, pungent diesel flavours and reliable potency.

Why choose Gmo S1?
  • Dense, resinous buds with a potent diesel aroma
  • Performs well in organic soil with proper canopy management
  • Reliable potency and compact growth for limited space
THC 24-28%
CBD <1%
Lineage Chemdawg x OG Kush
Genotype Indica-dominant hybrid
Difficulty Intermediate
Flowering 8-9 weeks
Height Short to medium
Yield Medium to high
Taste Garlicky diesel, Earthy skunk, Pungent spice
Seed Type Feminised
Climate wet Welsh valley climate
Effects Deep physical relaxation, Euphoric cerebral uplift, Increased appetite
Environment Indoor & Outdoor

About Gmo S1

Gmo S1 is an indica-dominant hybrid bred from Chemdawg x OG Kush that produces compact, resin-soaked colas with a garlicky diesel profile. As a Belfast grower I find it rewards good environmental control and organic soil practices, delivering strong physical effects and solid yields when mould risk is managed carefully.

Grow Difficulty:

Under a wet Welsh valley climate Gmo S1 requires attentive moisture control to avoid mould. Regular pruning and a drier canopy help manage risks in Belfast's damp conditions.

Flowering Time:

Flowering usually finishes in eight to nine weeks with noticeable trichome development in the final fortnight. Timely nutrient tapering improves bud density.

Yield:

Yield is medium to high when plants receive support and consistent airflow. Outdoor crops will bulk up if rot and damp are controlled.

Height:

Plants stay short to medium with compact internodes and heavy colas. Strong branches support dense buds without extensive staking.

Environment:

Indoors Gmo S1 thrives under controlled light cycles and low-humidity setups in Belfast. Outdoors it can finish well in Belfast but needs shelter and vigilant mould prevention.

Climate:

Growing Gmo S1 in Belfast means planning for the wet Welsh valley climate with proactive mould prevention. Good drainage, raised beds and canopy management are essential to succeed in that environment.

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
Neighbour: How did your Gmo S1 indoor run go this season?
A
Verified answer
It went well once I tightened humidity control and switched to a living soil mix that held beneficial microbes.
Common question Posted by Urbanseedbank Answered
Q
Friend: Did you see much mould outdoors this year?
A
Verified answer
A touch of botrytis showed up on one plant before I culled the affected cola; quick action saved the rest.
Common question Posted by Urbanseedbank Answered
Q
Forum mate: Any tips for flushing?
A
Verified answer
I run a final week with plain pH-balanced water and keep feeds minimal to clean up the flavour profile.
Common question Posted by Urbanseedbank Answered
Q
New grower: Should I top or fim this strain?
A
Verified answer
Topping once to create two mains suits Gmo S1; fim works too but topping gives more predictable structure.
Common question Posted by Urbanseedbank Answered
Q
Local grower: How do you handle rain during late flower in Belfast?
A
Verified answer
I use temporary covers and prioritise canopy airflow, and I harvest early if persistent wet weather threatens buds.

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