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Heavy Fog

Feminised
Photoperiod

Heavy Fog is an indica-dominant hybrid offering dense, resinous buds and a calming, clear-headed effect.

Why choose Heavy Fog?
  • Dense resin and reliable yields
  • Performs well with proper humidity control
  • Compact plants ideal for modest spaces
THC 18-24%
CBD 0.5-1%
Lineage Misty Haze x Northern Light
Genotype Indica-dominant hybrid
Difficulty Moderate
Flowering 8-10 weeks
Height 80-140 cm
Yield 400-550 g/m2 (indoor)
Taste earthy pine, sweet diesel, citrus
Seed Type Feminised photoperiod
Climate Cool-temperate, suited to humid indoor grow rooms
Effects relaxed, focused, sleepy
Environment Indoor / Outdoor

About Heavy Fog

Heavy Fog is a compact, resin-heavy hybrid bred for robust trichome production and reliable indoors performance. It suits growers who want a balanced high with a strong physical calm and retains clarity for creative tasks. The plant flowers in 8–10 weeks and rewards training with medium to high yields. In humid indoor grow rooms it needs steady airflow and humidity control but responds well to SCROG and LST techniques. Heavy Fog’s flavour is earthy with diesel and citrus notes, and its effects make it useful both recreationally and medicinally for stress and sleep issues.

Grow Difficulty:

Heavy Fog is moderately easy to cultivate but needs attention to ventilation and mildew prevention in humid indoor grow rooms. Routine training and moisture control make it straightforward for growers with some experience.

Flowering Time:

Flowering usually completes in 8 to 10 weeks. Buds finish dense and coated with trichomes by the end of that window.

Yield:

Indoor yields are medium to high, often around 400–550 g/m2 with good technique. Outdoor crops can match indoor returns only if disease and humidity are tightly managed.

Height:

Plants remain medium in stature with a strong central cola and good lateral branching. Expect final heights of roughly 80–140 cm under typical indoor conditions.

Environment:

Indoors it performs reliably under controlled environments in Dorset, especially where humidity is monitored. Outdoors in Dorset it needs a drier late season or protective measures to reduce rot risk.

Climate:

Growing Heavy Fog in Dorset benefits from controlled humid indoor grow rooms to mimic its preferred environment. Use dehumidification and steady air exchange to prevent mould while keeping moderate warmth.

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 grow room gets very humid, how do I prevent mould on Heavy Fog?
A
Verified answer
Fit a dehumidifier, boost extraction and raise canopy airflow; remove lower leaves that trap moisture and check truss zones often.
Common question Posted by Urbanseedbank Answered
Q
Should I top or SCROG this strain?
A
Verified answer
Both work well; topping early and a SCROG net will flatten the canopy and help achieve uniform buds and higher yields.
Common question Posted by Urbanseedbank Answered
Q
Any tips for nutrient schedule?
A
Verified answer
Start with a balanced veg feed, reduce nitrogen in flower and focus on phosphorus and potassium mid-flower while watching EC levels.
Common question Posted by Urbanseedbank Answered
Q
How do I judge readiness for harvest?
A
Verified answer
Use a loupe to inspect trichomes: harvest when mostly cloudy with some amber for a balanced, slightly sedative effect.
Common question Posted by Urbanseedbank Answered
Q
Can I grow Heavy Fog outdoors in Dorset?
A
Verified answer
You can, but protect it late in the season from rain and damp to prevent rot and aim to finish before consistently wet autumn weather.

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