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Atomic Runtz

Feminised

Atomic Runtz is a high-THC, indica-dominant hybrid with sweet, fruity flavours and resinous buds.

Why choose Atomic Runtz?
  • High resin, sweet terpene profile
  • Strong, balanced cerebral and body effects
  • Reliable yields with proper humidity control
THC 22-26%
CBD 0.1-0.5%
Lineage Runtz x Gelato
Genotype Indica-dominant hybrid
Difficulty Moderate
Flowering 8-10 weeks
Height Medium to tall (100-180 cm)
Yield Medium to high (up to 500 g/m² indoors)
Taste Sweet Candy, Tropical Fruit, Sharp Diesel Finish
Seed Type Feminised
Climate Mild Southern Growing Climate
Effects Euphoric Uplift, Physical Relaxation, Creative Mental Clarity
Environment Indoor & Outdoor

About Atomic Runtz

Atomic Runtz is a potent indica-dominant hybrid bred from Runtz x Gelato that combines dessert-like sweetness with a sharp diesel edge. It performs well both indoors and outdoors in mild climates, delivering dense, trichome-heavy flowers best suited to growers who manage humidity and canopy structure carefully.

Grow Difficulty:

Under a mild southern growing climate this strain is moderately straightforward for growers with some experience. Attention to humidity control and regular pruning reduces the risk of mould and keeps structure manageable.

Flowering Time:

Flowering usually completes in eight to ten weeks under stable conditions. Outdoor harvest in comparable seasons typically falls in late September to early October.

Yield:

Yields are medium to high when plants receive steady nutrients and proper training. Indoors can deliver up to around 500 g/m² under optimal light and canopy management.

Height:

Plants develop a medium to tall structure with a dominant central cola and several thick side branches. They show a pronounced stretch in early flowering but remain amenable to topping and LST.

Environment:

Indoors Atomic Runtz responds well to SCROG and SOG techniques, producing dense, resinous flowers. Outdoor plants in Dundee develop generous bud sites when given a sheltered spot and good airflow.

Climate:

Growing Atomic Runtz in Dundee benefits from the mild southern growing climate and its relatively gentle summers. Growers should still protect plants from prolonged damp and manage humidity to prevent mould in this area.

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 do you handle a humid week during late flowering?
A
Verified answer
I increase ventilation, run a dehumidifier at night and remove dense lower growth to keep humidity under control.
Common question Posted by Urbanseedbank Answered
Q
What training method gives the best yields indoors?
A
Verified answer
I prefer SCROG with topping early then weaving the canopy to maximise light over many colas.
Common question Posted by Urbanseedbank Answered
Q
Which nutrients do you reduce first in flower?
A
Verified answer
I reduce nitrogen gradually while maintaining phosphorus and potassium until the final weeks when I taper all feeds for flushing.
Common question Posted by Urbanseedbank Answered
Q
How do you store harvested buds in Dundee?
A
Verified answer
I dry in a cool, dark room with controlled humidity then cure in airtight jars, burping daily for the first fortnight.
Common question Posted by Urbanseedbank Answered
Q
Any tips for outdoor growers in the area?
A
Verified answer
Choose a raised, well-drained spot, provide windbreaks and keep an eye on late-season rain to avoid bud rot.

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