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Rainbow Haze

Feminised
Photoperiod

Rainbow Haze is a sativa-dominant hybrid offering bright cerebral lift and resinous buds suited to intermediate growers.

Why choose Rainbow Haze?
  • Bright cerebral lift
  • Resinous, citrusy buds
  • Performs well with good humidity control
THC 18-22%
CBD 0.1-0.5%
Lineage Haze x Northern Lights
Genotype Sativa-dominant hybrid
Difficulty Intermediate
Flowering 10-12 weeks
Height Medium to tall (1.5-2.5 metres)
Yield Medium-High (approx 450-550 g/m2 indoors)
Taste citrus, sweet berry, herbal spice
Seed Type Feminised photoperiod
Climate humid indoor grow rooms
Effects uplifting, creative, relaxed
Environment Indoor/Outdoor

About Rainbow Haze

Rainbow Haze blends Haze energy with Northern Lights structure to create a sativa-dominant hybrid that rewards careful environmental control. It produces clear, uplifting effects alongside sweet citrus and herbal spice flavours and performs best indoors with steady humidity management.

Grow Difficulty:

Growing Rainbow Haze in humid indoor grow rooms requires careful attention to airflow and mould prevention. Intermediate skill is advisable to control stretch and preserve bud density.

Flowering Time:

Flowering usually takes 10 to 12 weeks. Expect the longer end of that range when plants are given space to develop full colas.

Yield:

Indoor yields are medium to high with proper training and environmental control. Typical indoor output sits around 450 to 550 grams per square metre under optimal care.

Height:

Plants reach medium to tall heights, commonly 1.5 to 2.5 metres if left untrained. The structure shows long colas and airy buds characteristic of Haze lineage.

Environment:

Indoors, Rainbow Haze responds well to SCROG and SOG methods and benefits from dehumidifiers in Lancashire. Outdoors it can produce well in a sheltered, sunny microclimate but late-season damp in Lancashire increases risk of mould.

Climate:

Growing Rainbow Haze in Lancashire demands strict humidity control in humid indoor grow rooms to prevent mould and bud rot. Robust ventilation and dehumidification are essential in Lancashire setups to keep trichomes healthy and preserve aroma.

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 much should I defoliate during flowering?
A
Verified answer
Remove only large fan leaves that block light to bud sites and keep airflow; avoid heavy defoliation early in flowering to reduce stress.
Common question Posted by Urbanseedbank Answered
Q
My buds show early signs of mould, what now?
A
Verified answer
Increase ventilation, lower humidity, remove affected buds and consider a biological antifungal spray while evaluating overall humidity strategy.
Common question Posted by Urbanseedbank Answered
Q
What light schedule suits Rainbow Haze indoors?
A
Verified answer
Use 18/6 for veg and switch to 12/12 for flowering; some growers extend veg to control final height in limited vertical spaces.
Common question Posted by Urbanseedbank Answered
Q
How do I control stretch without stunting yields?
A
Verified answer
Implement LST and topping during veg to create multiple colas and use a short veg period if height is restricted, preserving bud sites for yield.
Common question Posted by Urbanseedbank Answered
Q
Any drying tips for humid Lancashire basements?
A
Verified answer
Dry in a well-ventilated space with RH around 45-55% and use desiccant packs or a dehumidifier to avoid slow drying that encourages mould.

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