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Cloud 9

Feminised and autoflower options

Cloud 9 is a sativa-dominant hybrid from Northern Lights x Haze with uplifting effects and a citrusy, earthy flavour.

Why choose Cloud 9?
  • Uplifting clarity for daytime use
  • Citrus-forward resinous buds
  • Reliable outdoor performance in mild southern climates
THC 18-22%
CBD 0.5-1%
Lineage Northern Lights x Haze
Genotype Sativa-dominant hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Medium-tall
Yield Above average (indoor 450-550 g/m², outdoor 400-700 g/plant)
Taste Citrus, Sweet berry, Earthy spice
Seed Type Feminised and autoflower options
Climate Mild southern growing climate
Effects Uplifting, Focused, Mild body relaxation
Environment Both

About Cloud 9

Cloud 9 is a sativa-dominant hybrid bred from Northern Lights x Haze that delivers a clear, focused high with gentle body relaxation. It performs well in mild southern growing climate and rewards canopy management and humidity control with above-average yields and resinous, aromatic buds.

Grow Difficulty:

Growing Cloud 9 is intermediate and benefits from consistent feeding and pruning in a mild southern growing climate. Attention to humidity and airflow is important to prevent mould and pests.

Flowering Time:

Indoor flower finishes in around 8 to 10 weeks for most phenotypes. Outdoor plants in the south are typically ready by late September to early October.

Yield:

Yields are above average when plants are trained and maintained with good canopy management. Dense, resinous colas reward proper nutrient and light regimes.

Height:

Plants reach a medium-tall height with an open, branching structure. Long internodes suit LST, SCROG or SOG training depending on the grow space.

Environment:

Indoor growers can manage Cloud 9 effectively under balanced PAR and a stable schedule. Outdoor plants do well in London when given full sun and shelter from prolonged damp weather.

Climate:

In London Cloud 9 performs well when growers control humidity and ensure good drainage in the mild southern growing climate. Keeping relative humidity under 60% during flower reduces mould risk and improves trichome development.

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
My buds show early signs of bud rot, what now?
A
Verified answer
Remove affected buds immediately, improve airflow, and lower humidity; discard infected material away from the grow room.
Common question Posted by Urbanseedbank Answered
Q
Should I switch to 12/12 light earlier to control height?
A
Verified answer
If plants are too tall, you can switch a week early but expect some stretch; better control comes from training rather than an early flip.
Common question Posted by Urbanseedbank Answered
Q
Can I grow Cloud 9 in a small London balcony?
A
Verified answer
Yes, with pots, wind protection and attention to neighbours you can grow discreet outdoor plants on a balcony in London.
Common question Posted by Urbanseedbank Answered
Q
What caused yellowing lower leaves mid-flower?
A
Verified answer
Likely a natural nutrient drawdown or mild nitrogen deficiency; check pH and adjust feed rather than overcorrecting.
Common question Posted by Urbanseedbank Answered
Q
Do you recommend foliar sprays for this strain?
A
Verified answer
Avoid foliar sprays in late flower to reduce mould risk; use them sparingly in veg with quick-drying, organic products.

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