North Thunderfuck Automatic – Royal Queen Seeds

Looking for one of the heaviest producers in the Royal Queen Seeds autoflower range? North Thunderfuck Automatic – Royal Queen Seeds delivers up to 550 g/m² indoors, paired with a bold skunk aroma and a fresh lime twist. A strong, vigorous choice for growers who want a generous harvest without juggling light schedules.

About North Thunderfuck Automatic – Royal Queen Seeds

These autoflower seeds carry a genetic profile of roughly 45% sativa, 50% indica and 5% ruderalis, with a reported THC level up to 21% and low CBD. The cross of North Thunderfuck with ruderalis produces a balanced hybrid with notable vigour, forming large colas and a distinctive earthy, skunky scent accented by zesty lime. Reported characteristics combine body relaxation with an uplifting lift, though individual results vary from person to person.

Key characteristics

• Generous yields: up to 500–550 g/m² indoors, so you get more from each cycle.
• Balanced hybrid: 45% sativa, 50% indica for a well-rounded genetic makeup.
• Reported THC up to 21% with a low CBD content.
• Standout aroma: earthy skunk layered with a bright lime note.
• Vigorous growth: 90–140 cm indoors; responds well to low-stress training.

Grow data at a glance

• Strain type: Autoflowering
• Genetics: North Thunderfuck x Ruderalis
• Genetic profile: 45% sativa, 50% indica, 5% ruderalis
• THC: up to 21% · CBD: low
• Flowering time: 55–60 days
• Seed to harvest: 70–85 days after germination
• Height: 90–140 cm indoors, 120–150 cm outdoors
• Indoor yield: 500–550 g/m²
• Outdoor yield: 90–140 g/plant
• Flavour: earthy, lime and skunk
• Climate: long summers

Prefer a different flavour profile? Compare it with the Sticky Queen Automatic – Royal Queen Seeds or the citrus-forward Purple Lemonade Automatic – Royal Queen Seeds, or browse our full range of Autoflower Seeds.

Frequently asked questions

How much can North Thunderfuck Automatic yield?

Indoors it can produce up to 500–550 g/m², placing it among the highest-yielding autoflowers in the Royal Queen Seeds range.

Are these seeds suitable for beginners?

The autoflowering nature means flowering starts without a light-schedule change, and the full cycle takes around 10–12 weeks from germination. Indoors it can grow fairly tall, so a little low-stress training helps keep the canopy even.

What is the expected yield?

Indoor yields are reported at around 500–550 g/m², with outdoor plants producing approximately 90–140 g each, depending on growing conditions.

Order North Thunderfuck Automatic today

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