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King Louis Xiii

Feminised

King Louis Xiii is an indica-dominant hybrid prized for dense, resinous buds and strong relaxing effects.

Why choose King Louis Xiii?
  • Dense, resinous buds ideal for resin extraction
  • Performs strongly in protected greenhouse setups
  • Predictable flowering and robust indica structure
THC 18-22%
CBD Low (≤0.5%)
Lineage OG Kush x LA Confidential
Genotype Indica-dominant hybrid
Difficulty Intermediate
Flowering 8-9 weeks
Height Short to medium (80-140 cm)
Yield Medium to high (indoor 350-450 g/m²; outdoor up to 600 g/plant)
Taste Earthy, Pine, Spicy diesel
Seed Type Feminised
Climate moist western coastal
Effects Deep relaxation, Euphoria, Sedation at higher doses
Environment Greenhouse and indoor; outdoors in sheltered, well-aerated sites

About King Louis Xiii

King Louis Xiii is an indica-dominant hybrid that produces compact, cola-heavy plants with a resin-rich profile. It performs well in controlled environments such as greenhouses and indoor rooms but requires careful humidity management in damp coastal climates to avoid mould.

Grow Difficulty:

Growing King Louis Xiii in a moist western coastal climate requires vigilant humidity control and airflow. In such conditions you should ventilate, dehumidify and remove lower foliage to reduce the risk of mould.

Flowering Time:

Flowering finishes in around 8–9 weeks under good conditions. A small portion of plants may benefit from a tenth week for full trichome development.

Yield:

Yields are medium to high indoors and in protected greenhouse setups. Outdoor plants in sheltered locations can match greenhouse harvests if disease pressure is low.

Height:

Plants remain short to medium with a bushy, cola-heavy canopy that suits bench-style greenhouse layouts. Final height often falls between 80 and 140 cm depending on training and pot size.

Environment:

This strain performs well in a greenhouse in Surrey when ventilation and airflow are managed. It also adapts to indoor rooms but needs humidity control to avoid bud rot in Surrey's damp spells.

Climate:

In Surrey's moist western coastal climate growers should expect higher humidity and frequent damp periods. Use a greenhouse with controlled ventilation, heating and dehumidification to keep buds healthy.

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
Neighbour: How long until you harvest?
A
Verified answer
Expect around nine weeks from flip, sometimes a bit sooner if trichomes ripen early.
Common question Posted by Urbanseedbank Answered
Q
Assistant: My greenhouse humidity spiked after rain, what now?
A
Verified answer
Switch on dehumidifiers, increase extraction and remove any dense fan leaves to restore airflow quickly.
Common question Posted by Urbanseedbank Answered
Q
Assistant: Should I top or SCROG?
A
Verified answer
I prefer low-stress training followed by a light SCROG to maximise even light distribution and support heavy colas.
Common question Posted by Urbanseedbank Answered
Q
Assistant: My plants smell strong, neighbours are concerned.
A
Verified answer
Use carbon filtration on exhausts and keep flowering stage plants out of direct sightlines to reduce nuisance.
Common question Posted by Urbanseedbank Answered
Q
Assistant: Any late-flower nutrient tips?
A
Verified answer
Cut back on nitrogen and avoid excess water during the last two weeks to encourage resin and terpene concentration.

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