Hellfire OG brings together two well-known West Coast lines and forms a structure that fits both small and mid-sized indoor setups. Many plants build a firm main stem, develop steady side branches and keep a medium internode spacing that reacts well to LED lighting. The growth leans sativa, yet the frame stays compact enough for tents with limited height.
Quick info: Hellfire OG
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Genetics: OG Kush × SFV OG Kush
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Type: feminized
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Flowering time: 55–60 days
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Yield indoor: 400–500 g/m²
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Yield outdoor: 600–800 g per plant
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THC: 24–26 %
Origin & Seeds66 Selection
The line is built from a classic OG Kush and a selected SFV OG Kush cut whose aroma and structure complement each other well. For Seeds66, the selection focused on stable branch development, a manageable stretch and a clear OG aromatic expression that shows up consistently in different indoor environments.
Growth & Cultivation
Hellfire OG develops a solid root zone in 11–15-liter pots and responds well to soil or coco with good drainage. Under LED lighting, the mid-section of the plant receives enough light to support dense side colas, while gentle airflow keeps the crown open. During flowering, resin production increases early; by week four the buds already form a tight OG structure with citrus and diesel notes.
Seeds66 Tip:
A slightly shorter light distance in early bloom often leads to firmer buds, provided airflow and exhaust remain stable throughout the tent.
Aroma & Terpenes
The aroma blends lemon notes with earthy diesel and a subtle herbal layer. Limonene, myrcene and caryophyllene are commonly associated with this profile and support the warm, citrus-forward character of the dried flowers.
Effects
The line starts with an energetic lift and gradually moves toward a more grounded body phase. It tends to appeal to growers who appreciate strong OG traits and a clear shift from an active onset to a deeper phase later in the session. No consumption or dosage advice is provided.
Seeds66 Stance
With Hellfire OG, we aim to keep the structural traits and aromatic direction stable so growers know what to expect in common indoor setups.
Properties of Hellfire OG
Type
Sativa-leaning hybrid
Seed type
feminized
Genetics
OG Kush × SFV OG Kush
Flowering time
55–60 days
Yield indoor
400–500 g/m²
Yield outdoor
600–800 g per plant
Indoor height
80–120 cm
Outdoor height
up to 300 cm
Flavour
lemon, earthy, diesel
Effect
energetic start with a deeper body phase later on
THC / CBD
24–26 % / 0.1 %
Seeds66 note
Works particularly well when airflow keeps the crown open during mid-bloom.
Seeds66 Editorial Team
All descriptions are based on our test runs and documentation in California. We only publish varieties we have documented ourselves. Focus: germination strength, stability and reproducible results for growers.
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