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Shrieker

Feminized

Shrieker is an indica-dominant hybrid bred for compact growth and resinous buds, suited to controlled indoor spaces.

Why choose Shrieker?
  • Compact structure tailored for small spaces
  • Reliable resin and trichome production
  • Balanced uplift with calm body effect
THC 18-22%
CBD 0.5-1%
Lineage Ghost OG x Northern Lights
Genotype Indica-dominant hybrid
Difficulty Intermediate
Flowering 8-9 weeks
Height Short to medium
Yield 350-450 g/m² indoors
Taste Earthy pine, Sharp citrus, Diesel undertone
Seed Type Feminized
Climate cool Highland growing conditions
Effects Uplifted focus, Calm body relaxation, Mild euphoria
Environment Indoor / Outdoor

About Shrieker

Shrieker is an indica-dominant hybrid designed for growers who need a compact, manageable plant that still produces dense, resin-coated buds. It combines mid-to-high THC potency with low CBD, offering clear, focused cerebral effects that settle into gentle body relaxation. The genetics come from Ghost OG x Northern Lights, yielding consistent compactness and good trichome production. In Cardiff and similar cool locations, Shrieker benefits from careful humidity control, modest feeding and training to create an even canopy. It suits intermediate growers and performs particularly well in tents, small rooms or sheltered outdoor plots when summer conditions are reliable.

Grow Difficulty:

Under cool Highland growing conditions Shrieker needs steady protection from damp and careful airflow management. It suits growers with intermediate skills who can manage ventilation and moderate feeding.

Flowering Time:

Shrieker finishes in around eight to nine weeks of flowering. During that time trichome production becomes pronounced on the main cola.

Yield:

Indoor yields are moderate compared with larger sativa types. With optimised canopy and feeding expect roughly 350–450 g/m².

Height:

Shrieker stays compact with a sturdy central cola and tight side branching. Plants typically remain short to medium height, making them discreet in small spaces.

Environment:

Indoors Shrieker performs well in controlled tents and compact rooms in Cardiff. Outdoors it can be grown in a sheltered plot in Cardiff if summer conditions remain dry and mild.

Climate:

Growing Shrieker in Cardiff with cool Highland growing conditions requires strict humidity control and attention to airflow to avoid mould. Growers should favour quick harvest windows or indoor shelters to cope with the cool Highland growing 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
Should I top Shrieker or just use LST?
A
Verified answer
A single top plus LST works well to create an even canopy while keeping the plant compact.
Common question Posted by Urbanseedbank Answered
Q
What humidity should I aim for in late flowering?
A
Verified answer
Keep relative humidity around 40–50% to reduce mould risk and protect trichomes.
Common question Posted by Urbanseedbank Answered
Q
Any tips for feeding frequency?
A
Verified answer
Feed modestly and monitor runoff EC; go lighter than feast-and-flood schedules common with faster strains.
Common question Posted by Urbanseedbank Answered
Q
How do I know if a phenotype is stretching too much?
A
Verified answer
If the internodes lengthen significantly after week two of flowering, reduce stretch by adjusting light cycle or using gentle bending.
Common question Posted by Urbanseedbank Answered
Q
What indicates readiness for harvest in Cardiff conditions?
A
Verified answer
Look for cloudy trichomes and a majority of darkened pistils, and factor in local weather forecasts to avoid wet pre-harvest weeks.

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