Q
What RH should I aim for in late flowering?
A
Aim for 40–50% relative humidity to reduce risk of bud rot.
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- Sweet, potent and resinous—engineered for quality yields in controlled grows
Black Runtz
Feminised
Black Runtz is a resinous, indica-dominant hybrid known for sweet, fruity flavours and high THC.
Why choose Black Runtz?
- Dense, resinous buds with candy sweetness
- High THC and calming effects for evening use
- Performs strongly under trained indoor canopy
THC |
22-26% |
CBD |
<1% |
Lineage |
Gelato x Zkittlez |
Genotype |
Indica-dominant hybrid |
Difficulty |
Intermediate |
Flowering |
8-9 weeks |
Height |
Medium (60–120 cm) |
Yield |
High (up to 500–600 g/m² indoor) |
Taste |
Sweet, Fruity, Earthy |
Seed Type |
Feminised |
Climate |
Humid Indoor Grow Rooms |
Effects |
Relaxed, Euphoric, Hungry |
Environment |
Indoor and outdoor |
About Black Runtz
Black Runtz is a compact, resin-heavy strain bred from Gelato x Zkittlez that delivers sweet, candy-like flavours and a strong, calming high. It performs well indoors with attentive environment control and can be grown outdoors in sheltered spots; due to dense buds and high resin it requires strict humidity management to avoid mould.
Grow Difficulty:
In humid indoor grow rooms this strain requires attentive environmental control to avoid mould and bud rot. Growers in Nottingham should ensure strong airflow and dehumidification when cultivating Black Runtz.
Flowering Time:
Flowering typically completes within 8 to 9 weeks under good conditions. Trichome development peaks late, signalling optimal harvest timing.
Yield:
Yields are generous for a compact plant when fed and trained correctly. Indoor setups using ScroG or SOG can reach the higher end of the expected output.
Height:
Plants remain medium in height with a bushy, indica-leaning structure. Expect multiple side branches and dense, heavy colas.
Environment:
Indoors, Black Runtz responds well to controlled environments and low-stress training. Outdoors in Nottingham it can finish well in a sheltered, sunny spot but needs protection from prolonged damp.
Climate:
In Nottingham, growers must manage humid indoor grow rooms carefully to prevent mould on dense buds. Consistent dehumidification, increased air exchanges and careful pruning help Black Runtz thrive in Nottingham.
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
£8.00 / seed • You save £13.33
100% Satisfaction Guarantee • Secured Payments