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High Octane

Feminised

High Octane is a sativa-leaning hybrid that delivers sharp diesel flavours, energising effects and solid indoor yields.

Why choose High Octane?
  • Fast finish for limited-season growers
  • Diesel aroma with citrus lift
  • Performs well under controlled indoor rooms
THC 22-26%
CBD 0.5-1%
Lineage Turbo Diesel x White Widow
Genotype Hybrid (sativa-leaning)
Difficulty Intermediate
Flowering 8-9 weeks
Height Compact to medium with a bushy structure
Yield Medium-high (up to 450-500 g/m² indoors)
Taste diesel, citrus, earthy
Seed Type Feminised
Climate cool northern summers
Effects energising, focused, mild euphoria
Environment Suitable for indoor grows; outdoors in sheltered, warm sites

About High Octane

High Octane is a fast-flowering, sativa-leaning hybrid bred from Turbo Diesel and White Widow genetics. It favours controlled indoor environments and produces resinous buds with a diesel-citrus profile, making it a practical choice for growers in cooler regions who aim for compact plants and reliable harvests.

Grow Difficulty:

This strain is intermediate to cultivate and responds well to training such as SCROG or topping. It copes better than many varieties with cool northern summers but benefits from indoor control or a protected outdoor spot.

Flowering Time:

Flowering usually completes within eight to nine weeks under steady conditions. Buds mature quickly and develop dense resin production towards the end of the cycle.

Yield:

Yields are reliable and skew toward medium-high in optimised indoor rooms. Outdoors in a good season it can produce respectable harvests but is less consistent in cool climates.

Height:

Plants tend to remain compact to medium due to a bushy, branchy growth habit. This structure makes High Octane straightforward to train in limited-height spaces.

Environment:

Indoors, High Octane does very well under controlled light and ventilation systems and suits both SOG and SCROG. Outdoors it can finish in Durham when given a sheltered spot and a warm microclimate in summer.

Climate:

Growing High Octane in Durham requires attention to the region's cool northern summers and potential late-season weather changes. Indoor environments or sheltered outdoor sites in Durham will improve bud development and reduce the risk of mould.

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
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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 plants are stretching too much after switching to 12/12, what went wrong?
A
Verified answer
Excessive stretch can be due to sudden light intensity change or insufficient veg height; reduce light distance slightly and apply a mild apical prune before flipping next time.
Common question Posted by Urbanseedbank Answered
Q
Leaves are curling at the tips after a feed, is this nutrient burn?
A
Verified answer
If tips brown and curl upwards, it is likely nutrient burn; flush with pH-balanced water and reduce feed strength by 20% on the next application.
Common question Posted by Urbanseedbank Answered
Q
I’m seeing white powdery spots on leaves late in flower, how to handle it?
A
Verified answer
That sounds like powdery mildew; remove affected material, increase ventilation and reduce humidity; in severe cases consider an approved fungicide suitable for cannabis.
Common question Posted by Urbanseedbank Answered
Q
How do I increase trichome production?
A
Verified answer
Maintain stable temperatures, avoid excessive nitrogen in late bloom, and consider a short cold shock during the final week to encourage trichome resin.
Common question Posted by Urbanseedbank Answered
Q
Should I flush before harvest?
A
Verified answer
A short flush of plain water one to two weeks before harvest can clean up taste, but monitor plant condition closely to avoid stressing buds too much.

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