Seeds
Royal Runtz Feminized Seeds
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SKU: RQS-RR-FEM
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Flowering Type
Photoperiod
Parental lines
Gelato x Zkittlez
THC content
Very High THC (25%+)
CBD content
Low CBD (0-1%)
Photoperiod flowering time
7 to 9 weeks
Yield outdoor
Average Yield (200-450gr/plant)
Plant size
Medium
Suitable climates
Cool, Dry, Hot, Temperate, Warm, Wet
From the breederRoyal Queen Seeds breeder notes
Aroma
Fruity
Parental lines
GelatoZkittlez
Royal Runtz is created from two premium US strains, namely. Gelato and Zkittlez. Royal Runtz is a 50/50 indica/sativa hybrid with high yield potential, a hardy strain with very high levels of THC production and a deliciously fruity taste.
Indoor yields are between 450 - 500gr/m2 with flowering lasting 8 - 9 weeks. Outdoors in northern latitudes harvest will be during the middle of October with yields of 400 - 450 gr/plant. The early autumn harvest date makes Royal Runtz a suitable strain for milder climates where the weather isn't too cold or wet by this time.
Delicious flavours and scents of fruity candy (sweets) makes this an enticing variety and its 27% THC potential ensures an extremely potent, long-lasting, physically relaxing yet cerebrally euphoric and creative effect.
Brand/breeder
Parental lines
Gelato x Zkittlez
Variety
Indica / Sativa hybrid
Flowering type
Photoperiod
Sex
Feminised
THC content
Very High THC (25%+)
CBD content
Low CBD (0-1%)
Yield outdoor
Average Yield (200-450gr/plant)
Plant size
Medium
Photoperiod flowering time
7 to 9 weeks
Northern hemisphere harvest
October
Suitable climates
Cool, Dry, Hot, Temperate, Warm, Wet
Aroma
Fruity
SKU
RQS-RR-FEM
Photoperiod outdoor timeline
Photoperiod strains rely on seasonal daylight changes, so harvest timing is closely tied to your local climate.
Stage 1
Germination / Early Start
March – April
Wait for: frost risk easing, stronger spring light
Watch for: cold snaps, slow starts, excess moisture
Stage 2
Seedling / Transplant
April – May
Wait for: milder nights and settled weather
Watch for: transplant shock, wind exposure, pests
Stage 3
Vegetative Growth
June – July
Wait for: long days, regular feeding, healthy expansion
Watch for: overcrowding, nutrient issues, insect damage
Stage 4
Flowering
August – September
Wait for: shortening days, dry airflow, branch support
Watch for: mould, botrytis, high humidity, bad weather
Stage 5
Harvest
Late September – October
Wait for: ripe trichomes, dense finished flowers
Watch for: autumn rain, rot, early frosts
Indoor photoperiod timeline
Photoperiod strains give indoor growers more control over size, shape, and when flowering begins.
Week 0
Germination
Strong early establishment
Wait for: strong early establishment
Watch for: inconsistent starts, excess moisture
Week 1–2
Seedling
Stable structure and healthy growth
Wait for: stable structure and healthy growth
Watch for: stretch, early stress
Week 3–6+
Vegetative Growth
Desired plant size and canopy shape
Wait for: desired plant size and canopy shape
Watch for: overcrowding, uneven growth, training stress
7–12+ weeks
Flowering Phase
Strong flower formation and steady development
Wait for: strong flower formation and steady development
Watch for: humidity, airflow, support issues
Harvest
Harvest Window
Finished flowers and mature trichomes
Wait for: finished flowers and mature trichomes
Watch for: cutting too early or pushing too long