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Runtz Muffin

Feminised

Runtz Muffin is an indica-dominant hybrid with sweet dessert flavours and reliable resin production.

Why choose Runtz Muffin?
  • Sweet dessert flavour with citrus lift
  • Compact, resinous buds for limited spaces
  • Performs well with late-season protection
THC 18-22%
CBD <1%
Lineage Runtz x Purple Muffin
Genotype Indica-dominant hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Medium (60-120 cm indoor; up to 2 m outdoor)
Yield Medium-High (400-500 g/m2 indoor; 300-400 g/plant outdoor)
Taste Sweet berry, Citrus, Creamy baked goods
Seed Type Feminised
Climate Temperate maritime, cool and rainy autumn
Effects Euphoric, Relaxing, Creative
Environment Both

About Runtz Muffin

Runtz Muffin is an indica-dominant hybrid bred from Runtz x Purple Muffin, prized for its sweet berry and creamy bakery notes combined with a bright citrus finish. It produces compact, frosty buds and responds well to common training methods, giving intermediate growers consistent yields both indoors and in sheltered outdoor locations.

Grow Difficulty:

This strain suits intermediate growers but needs careful attention for mould in a rainy autumn harvest season. Extra ventilation and selective pruning reduce wet-crop risks in late-season UK conditions.

Flowering Time:

Indoor flowering finishes in around 8 to 10 weeks under good light and care. Outdoor plants in Dorset typically ripen by late September to October in an average season.

Yield:

Yields are medium to high for a compact cultivar, responding well to proper feeding and training. Consistent resin production gives good results across indoor and sheltered outdoor grows.

Height:

Plants stay reasonably compact indoors, commonly 60 to 120 cm, while outdoor specimens can reach close to two metres. The structure favours a strong central cola and side branching that responds to topping.

Environment:

Indoors Runtz Muffin adapts well to SCROG and controlled room climates for even canopies. Outdoors it performs best in sheltered Dorset gardens where airflow and sun exposure can be optimised.

Climate:

In Dorset this variety benefits from late-season protection to avoid the worst of a rainy autumn harvest season. Consider using temporary covers or earlier harvest dates to reduce bud-rot risk in the county.

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 you protect plants during the last storm?
A
Verified answer
I rigged temporary polytunnel sheeting over the rows and pruned excess foliage to keep airflow moving and reduce water retention on buds.
Common question Posted by Urbanseedbank Answered
Q
When did you start defoliation?
A
Verified answer
I began light defoliation a couple of weeks into flowering and kept it conservative afterwards to avoid exposing buds to too much rain.
Common question Posted by Urbanseedbank Answered
Q
Do you recommend late-season foliar sprays?
A
Verified answer
Avoid foliar feeds late in the season; they raise moisture on leaves and can increase rot risk during rainy autumns.
Common question Posted by Urbanseedbank Answered
Q
What’s your favourite feed brand for resin?
A
Verified answer
I favour a reputable bloom booster with added silica for structural strength and a PK blend for denser flowers.
Common question Posted by Urbanseedbank Answered
Q
Any tips for drying in small Dorset spaces?
A
Verified answer
Use a drying tent or spare room with a dehumidifier and a small fan on low to keep gentle airflow without overdrying in the county's damp autumn.

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