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Bluefin Tuna

★★★★★

Feminised

Bluefin Tuna is an indica-dominant hybrid with dense, resinous buds and a fruity-diesel profile.

Why choose Bluefin Tuna?

Dense, blue-tinged buds with rich resin.
Ideal for evening relaxation and sleep support.
Compact plants suited to controlled-space grows.

THC	18-24%
CBD	0.5-1.2%
Lineage	Blueberry x Tuna Kush
Genotype	Indica-dominant hybrid
Difficulty	Intermediate
Flowering	8-9 weeks
Height	Short to medium (60-120 cm)
Yield	Medium (400-450 g/m² indoor)
Taste	Blueberry, Spicy diesel, Earthy
Seed Type	Feminised
Climate	Humid Greenhouse Environments
Effects	Relaxed, Uplifted, Sedating
Environment	Indoor preferred; outdoor possible in sheltered climates

About Bluefin Tuna

Bluefin Tuna is a compact, resin-heavy indica-dominant hybrid bred from Blueberry x Tuna Kush. It offers a blueberry-forward aroma balanced by spicy diesel notes and produces calming, sedative effects suitable for evening or therapeutic use. The variety performs well in controlled indoor environments and in greenhouses when humidity is managed. Growers in temperate areas should prioritise airflow and mould prevention to harvest quality flowers.

Genotype:

Bluefin Tuna is an indica-dominant hybrid with dense, resinous buds. It favours body relaxation while keeping a mild cerebral clarity.

THC Content:

THC levels commonly sit between 18 and 24 percent in well-grown plants. Stronger phenotypes hit the upper end and require cautious dosing for inexperienced users.

CBD Content:

CBD content is low and does not define the variety, typically remaining below 1.5 percent. The profile is chosen for THC-led therapeutic and recreational effects rather than CBD balance.

Lineage:

Bluefin Tuna comes from a cross of Blueberry and Tuna Kush. That lineage contributes fruity terpenes from Blueberry and compact, resin-heavy buds from Tuna Kush.

Seed Type:

Seeds are commonly sold as Feminised to guarantee a high proportion of flowering plants. Some breeders also offer regular or auto-flowering versions for different cultivation approaches.

Grow Difficulty:

Bluefin Tuna is an intermediate grow that benefits from careful humidity control and airflow in humid greenhouse environments. It rewards attention to pruning and mould prevention during late flowering.

Flowering Time:

Flowering usually finishes in eight to nine weeks under good conditions. A small number of phenotypes may need up to ten weeks for peak resin and aroma.

Yield:

Yield is medium to high with experienced management and training, typically around 400–450 g/m² indoors. Outdoor and greenhouse outputs depend heavily on humidity control and season length.

Height:

Plants are compact with a strong central cola and stout side branches. Expect a final indoor height of around 60–120 cm, with potential stretch if left untrained.

Environment:

Indoors, Bluefin Tuna thrives in controlled environments and adapts well to Sea of Green or SCROG layouts, making it practical for growers in Sussex. Outdoors in Sussex it performs best in a sheltered, sunny spot or inside a greenhouse to reduce exposure to damp and wind.

Climate:

Growing Bluefin Tuna in Sussex demands careful control of humid greenhouse environments to avoid bud rot and mildew. Strong ventilation, dehumidifiers and regular inspections are crucial in the local climate.

Effects:

The high-THC profile produces a steady body relaxation that can ease tension and encourage sleep. A mild uplift precedes the sedative phase, offering brief mental clarity before physical calm sets in.

Taste:

The flavour blends sweet blueberry with sharp, spicy diesel notes and a dry, earthy finish. Aromas become more pronounced during trimming and curing.

Frequently Asked Questions

Common questions about this strain, covering growth, effects, and suitability for UK conditions.

What is the typical THC level of Bluefin Tuna?

How long does Bluefin Tuna take to flower?

Can Bluefin Tuna be grown in small indoor setups?

What yield should I expect indoors?

How do I prevent mould in humid greenhouse environments?

Are seeds Feminised or regular?

Does Bluefin Tuna have a strong smell?

What training methods work best for this strain?

Is this strain suitable for beginners?

Can I grow Bluefin Tuna outdoors in the UK?

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Choose seed quantity

Selected: 5 Seeds

~~£53.33~~ £40.00

£8.00 / seed • You save £13.33

100% Satisfaction Guarantee • Secured Payments