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Cali Runtz

Feminised

Cali Runtz is an indica-dominant hybrid with sweet, candy-like flavours and high THC that favours protected grows.

Why choose Cali Runtz?
  • Sweet, candy notes with powerful resin production.
  • Thrive in a greenhouse with the right humidity control.
  • Strong, balanced high that eases into calm relaxation.
THC 22-26%
CBD <1%
Lineage Cali Kush x Zkittlez
Genotype Indica-dominant hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Compact to medium, 90-160 cm
Yield 400-550 g/m² (indoor); 500-700 g/plant (outdoor)
Taste Sweet candy, Tropical fruit, Citrus with creamy undertones
Seed Type Feminised
Climate Damp Coastal
Effects Uplifting euphoria, Deep physical relaxation, Calm, focused creativity
Environment Suitable for both; performs particularly well in protected greenhouses

About Cali Runtz

Cali Runtz delivers strong THC potency alongside a sweet, tropical flavour profile and dense, resin-heavy buds. It performs best in controlled environments where humidity and airflow can be managed, making greenhouses a top choice in damp coastal areas. The plant is compact to medium in height and responds well to training techniques that increase canopy spread and light exposure. Medicinally it is useful for pain relief, lowering anxiety and aiding sleep in higher doses.

Grow Difficulty:

Under a damp coastal climate this variety demands vigilant mould prevention and consistent airflow. Growers should favour protective environments and active humidity control.

Flowering Time:

Flowering typically completes in 8 to 10 weeks under stable conditions. Outdoors in Dundee harvests often fall around late September to early October depending on the season.

Yield:

Yields are medium to high when plants receive proper training and feeding. In a protected greenhouse yields in Dundee can reach the upper expected range.

Height:

Plants maintain a compact to medium stature with strong side-branching that supports heavy colas. Final height usually sits between 90 and 160 cm depending on training techniques.

Environment:

Cali Runtz adapts well to indoor tents and greenhouse environments and can be grown outside with protection. In Dundee a greenhouse gives better control over moisture and wind, improving results.

Climate:

Growing Cali Runtz in Dundee requires planning for a damp coastal climate and the elevated fungal risk that accompanies it. A ventilated greenhouse with dehumidification will significantly reduce mould and bud rot issues in Dundee.

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
My greenhouse in Dundee is humid; what’s the first thing I should change?
A
Verified answer
Increase ventilation and add a dehumidifier; aim for good cross-flow and keep RH below 55% during late flowering.
Common question Posted by Urbanseedbank Answered
Q
How heavily should I train Cali Runtz?
A
Verified answer
Train moderately — use topping early and LST to open the canopy, then SCROG if you want uniform light distribution and higher yields.
Common question Posted by Urbanseedbank Answered
Q
I’ve spotted early bud rot, can I save the plant?
A
Verified answer
Remove infected buds immediately and increase airflow around remaining colas; if rot is widespread, cull affected material to protect the rest of the crop.
Common question Posted by Urbanseedbank Answered
Q
What pot size works best for outdoor greenhouse grows?
A
Verified answer
Use 20–30 litre pots for outdoor greenhouse grows to allow a strong root system while keeping plants manageable in height.
Common question Posted by Urbanseedbank Answered
Q
Any tips on controlling nutrients late in flowering?
A
Verified answer
Reduce nitrogen, maintain phosphorus and potassium levels, and flush with plain water one to two weeks before harvest to sharpen flavour.

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