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Kryptonite

Feminised

Kryptonite is a resilient hybrid with pine and citrus notes and potent, clear effects suited to greenhouse cultivation.

Why choose Kryptonite?
  • Balanced hybrid with focused uplift and gentle body relaxation
  • Performs well in greenhouses when humidity is controlled
  • Feminised seeds ideal for growers aiming for reliable bud production
THC 18-22%
CBD 0.5-1%
Lineage Northern Lights x Haze
Genotype Hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Medium-tall (1.0-2.0 m outdoors)
Yield Medium to high (approx 400-500 g/plant outdoors; 450-550 g/m² indoor)
Taste Earthy pine, Citrus zest, Diesel spice
Seed Type Feminised
Climate moist western coastal climate
Effects Uplifting, Focused, Relaxing
Environment Both (well-suited to greenhouse)

About Kryptonite

Kryptonite is a hybrid strain bred from Northern Lights x Haze that produces compact, resinous buds. It suits growers who can manage humidity and airflow, making it a strong candidate for greenhouse projects in London and other moist western coastal climate areas.

Grow Difficulty:

Growing Kryptonite is moderately challenging in a moist western coastal climate due to elevated humidity and mould risk. Careful ventilation and routine mildew checks are essential.

Flowering Time:

Flowering usually completes within eight to ten weeks indoors. Outdoors it finishes by late September in favourable seasons.

Yield:

Yield is medium to high when plants receive strong light and good airflow. In a greenhouse in London yields can match indoor results if mould is prevented.

Height:

Plants reach a medium-tall stature of around one to two metres outdoors. The branching pattern responds well to topping and training.

Environment:

Kryptonite adapts to both indoor tents and outdoor sites in London when humidity is controlled. A greenhouse in London gives shelter from rain while still using natural light to boost maturation.

Climate:

In London the moist western coastal climate requires strict humidity control and airflow. A greenhouse provides shelter from persistent rain but demands active dehumidification and ventilation in this climate.

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 often should I water Kryptonite in a London greenhouse?
A
Verified answer
Water when the top 2-3 cm of compost feels dry; frequency depends on pot size and temperature but err on the side of slightly drier to avoid root rot.
Common question Posted by Urbanseedbank Answered
Q
I have early bud rot, what can I do?
A
Verified answer
Remove affected areas immediately, increase airflow, lower humidity and treat surrounding plants with preventative measures.
Common question Posted by Urbanseedbank Answered
Q
What light setup works best indoors for this strain?
A
Verified answer
A 600-1000W HID or equivalent full-spectrum LED gives strong results during flowering for dense buds.
Common question Posted by Urbanseedbank Answered
Q
Should I defoliate during flowering?
A
Verified answer
Light selective defoliation can improve airflow around bud sites, but avoid heavy leaf removal late in flowering.
Common question Posted by Urbanseedbank Answered
Q
Any tips for flushing before harvest?
A
Verified answer
Flush with plain water for 7-10 days before harvest to reduce nutrient residues and improve smoke quality.

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