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Runtz S1

S1 (selfed
stabilised)

Runtz S1 is a stabilised hybrid known for sweet berry flavour and balanced, uplifting effects.

Why choose Runtz S1?
  • Sweet berry flavour with creamy citrus highlights
  • Balanced hybrid effects suitable for day-to-evening use
  • Stabilised S1 line for more consistent phenotypes
THC 22-26%
CBD <1%
Lineage Zkittlez x Gelato
Genotype Hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Short to medium; typically 60-120 cm
Yield Medium (approx 400-500 g/m² indoor; variable outdoor)
Taste Sweet berry, Creamy citrus, Earthy
Seed Type S1 (selfed, stabilised)
Climate Cool coastal, Scottish-style outdoor
Effects Uplifting, Relaxing, Creative
Environment Suitable for both indoor and outdoor cultivation

About Runtz S1

Runtz S1 is a stabilised offspring from Zkittlez x Gelato that emphasises a sweet, dessert-like terpene profile and a hybrid high that balances uplift and body relaxation. The S1 selection aims to reduce phenotypic spread while retaining the aroma and potency of the lineage, though outcomes still depend on local climate and seasonal conditions.

Grow Difficulty:

Runtz S1 is rated as intermediate because phenotypes can vary and require attention to finishing. In a cool Scottish outdoor climate development is often slower and outcomes are more variable.

Flowering Time:

Flowering usually completes within eight to ten weeks under controlled indoor conditions. Outdoors in cooler areas the ripening window can extend and results vary by microclimate.

Yield:

Yield potential is moderate and reliable under stable conditions. Variability increases outdoors where weather and season length influence final mass.

Height:

Plants tend to remain compact to medium in stature with a pronounced central cola. Branches are sturdy and support medium-sized bud clusters.

Environment:

Indoors the compact habit makes Runtz S1 manageable in modest spaces around Hampshire. Outdoors in Hampshire plants show variable performance depending on the site and seasonal conditions.

Climate:

Growing Runtz S1 in Hampshire with a cool Scottish outdoor climate means expecting a longer and less predictable finish. Growers in Hampshire should plan for heightened seasonal variability and adapt expectations accordingly.

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
How did your last Hampshire batch perform?
A
Verified answer
Results were mixed; some plants showed the classic sweet terpene profile while others finished a touch later due to cool nights.
Common question Posted by Urbanseedbank Answered
Q
Any standout phenos to look for?
A
Verified answer
Look for denser, resinous buds with pronounced sweetness as a desirable expression.
Common question Posted by Urbanseedbank Answered
Q
Did you notice any consistent issues in cooler seasons?
A
Verified answer
Slower development and greater variability between plants were the main observations during cooler periods.
Common question Posted by Urbanseedbank Answered
Q
Would you recommend Runtz S1 for a coastal site?
A
Verified answer
It can work on coastal sites but expect different outcomes than inland grows and accept more seasonal variability.
Common question Posted by Urbanseedbank Answered
Q
Is scent strong during flowering?
A
Verified answer
Aromatic notes are noticeable, with candy-sweet and citrus tones becoming more evident as flowers mature.

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