KC 42 by KC Brains Seeds
Introduction:
KC 42 is a vigorous, sativa-dominant hybrid developed by KC Brains, blending a prized New Zealand strain from 1999 with a KC 639 male from 2001. Designed to deliver classic sativa energy with outstanding yields, KC 42 is a hardy plant well-suited for both indoor and outdoor cultivation. With a citrus-hash aroma, tall structure, and THC levels reaching up to 22%, this strain is ideal for growers seeking an uplifting, clear-headed high and impressive harvests.
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Strain Information:
Strain Name: KC 42
Strain Breeder: KC Brains Seeds
Lineage: New Zealand (1999) x KC 639 (2001)
Genetics: Mostly Sativa
Seed Type: Regular
Flowering Type: Photoperiod
Flowering Time: Indoors: 6–9 weeks | Outdoors: 9–12 weeks
Effect: Energetic, clear-headed, uplifting
Aroma: Fresh citrus, light hash
Taste: Citrus zest with subtle earthy spice
Height: Indoors: up to 170 cm | Outdoors: 200–250 cm
Yield: Indoors: up to 150 g per plant | Outdoors: up to 1300 g per plant
THC Content: 20–22%
Harvest Time: Late October through November
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Strain Description:
KC 42 is a tall, elegant sativa strain with long, narrow leaves and thick, chunky buds. It grows vigorously, reflecting its landrace heritage from New Zealand, and can reach up to 2.5 metres outdoors. Indoors, its size is more manageable, capped at about 170 cm. This strain takes slightly longer to mature than most hybrids but rewards the grower with heavy, resin-coated buds and a clear, stimulating high. The THC level sits between 20% and 22%, producing cerebral effects without the heaviness of high-CBD strains. Its refreshing citrus aroma and light hashy undertone make it a favourite among those seeking both flavour and functionality.
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Growing Information:
KC 42 is a resilient strain that performs well in various conditions. Outdoors, it thrives in sunny climates and is highly resistant to pests, mould, and overwatering. It prefers plenty of light and space, making it perfect for outdoor gardens or greenhouses. Indoors, proper light management and training can help control its height. Flowering takes 6–9 weeks indoors, while outdoor plants finish between 9–12 weeks, typically ready for harvest from late October into November. It’s known for its remarkable outdoor yield—up to 1300 grams per plant—making it a rewarding choice for growers focused on quantity and quality.
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Strain Flavour and Aromas:
KC 42 boasts a bright, citrus-forward aroma that intensifies as the buds mature. The taste is zesty and clean, with subtle hashy and earthy notes that balance out the freshness. The terpene profile offers a smooth, energising smoke, ideal for daytime use.
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Strain Lineage:
KC 42’s genetic lineage includes a unique sativa landrace from New Zealand crossed with KC 639, creating a well-balanced hybrid with strong structural integrity, environmental resistance, and enhanced cannabinoid content. This combination results in a sativa with indica-like robustness and extraordinary productivity.
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Strain Summary:
KC 42 is a high-yielding, sativa-dominant strain known for its uplifting, clear-headed high and mouth-watering citrus flavour. Its tall structure and landrace resilience make it perfect for outdoor cultivation, while its quick indoor flowering time keeps it manageable inside. With THC levels up to 22% and yields reaching 1300 grams per outdoor plant, KC 42 is a powerhouse strain that offers both performance and pleasure in one reliable package.
Disclaimer:All seeds sold at Breeders Collective are strictly intended as souvenirs and for preservation purposes. We do not condone or encourage breaking any laws regarding cannabis. It is your responsibility to research and adhere to the laws in your jurisdiction regarding the purchase, possession, and use of cannabis seeds.