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Iron Lungs

Feminised (regular and auto variants available)

Iron Lungs is an indica-dominant hybrid bred for dense, resinous buds and strong physical effects.

Why choose Iron Lungs?
  • Dense resinous buds ideal for extracts
  • Performs well in sheltered outdoor sites
  • Compact plants suited to limited space
THC 20-24%
CBD <1%
Lineage Iron Maiden x Northern Lights
Genotype Indica-dominant hybrid
Difficulty Intermediate
Flowering 8-10 weeks
Height Short to medium, compact
Yield 400-600 g/m2 indoor; high outdoor per plant
Taste Diesel, Earthy, Citrus spice
Seed Type Feminised (regular and auto variants available)
Climate Mild southern
Effects Deep physical relaxation, Mild cerebral uplift, Sedating at higher doses
Environment Indoor and outdoor

About Iron Lungs

Iron Lungs is an indica-dominant hybrid selected for compact structure, heavy trichome production and reliable yields. It gives a pronounced body effect suited to evening use while remaining manageable for intermediate growers who control humidity and airflow.

Grow Difficulty:

Growing Iron Lungs suits intermediate gardeners who can manage humidity and airflow in a mild southern growing climate. Attention to ventilation and timely pruning reduces disease risk and supports bud development.

Flowering Time:

Indoor flowering typically completes in eight to ten weeks. Outdoors, plants generally finish by late September to early October in temperate locations.

Yield:

Yields are above average when trained and fed correctly. Expect around 400–600 g/m2 indoors and substantial outdoor weight per plant with good summer sun.

Height:

Plants remain short to medium with a squat, sturdy structure and dense colas. Strong branches support heavy bud loads without excessive stretch.

Environment:

Iron Lungs performs reliably both indoors and outdoors in Down where growers can provide consistent conditions. Indoors it responds well to SCROG and LST while outdoors in Down it benefits from summer warmth and sheltered sites.

Climate:

In Down with a mild southern growing climate, Iron Lungs sets large, resinous buds but requires careful moisture control. Regular checks for mould and selective defoliation will keep the canopy drier and more productive.

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 are getting dense but I see some grey spots, what now?
A
Verified answer
Isolate the affected cola, increase airflow and remove surrounding leaves; in advanced cases cut back the whole branch to stop spread.
Common question Posted by Urbanseedbank Answered
Q
What training gave you the best yields with Iron Lungs?
A
Verified answer
A SCROG combined with selective topping produced even canopies and maximised bud sites for me.
Common question Posted by Urbanseedbank Answered
Q
How often did you water during flowering?
A
Verified answer
Water deeply but less frequently, allowing the top few centimetres to dry to avoid root issues and damp microclimates in the canopy.
Common question Posted by Urbanseedbank Answered
Q
Any tips for outdoor grows in Down?
A
Verified answer
Plant in a sheltered, south-facing spot, keep an eye on late-season rain and consider temporary covers during heavy storms.
Common question Posted by Urbanseedbank Answered
Q
Which pests were most problematic?
A
Verified answer
Aphids and spider mites can be an issue; introduce predators early and use neem or insecticidal soaps as needed.

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