THC Pro by Big Head Seeds
THC Pro is a reworked East Coast hybrid that blends the world-famous Chronic with selectively bred Northern Lights, further enhanced through backcrossing with BigHead #1. This strain is highly resilient, with excellent resistance to mould, pests, and stress, while producing fast-rooting, vigorous plants. Known for its spectacular central kola, high yields, and THC-packed buds, THC Pro is both easy to cultivate and immensely rewarding, offering therapeutic relief from anxiety and insomnia.
Strain Information:

Strain Name: THC Pro

Strain Breeder: Big Head Seeds

Lineage: Chronic × Northern Lights × BigHead #1

Genetics: Indica / Sativa (balanced)

Seed Type: Feminised

Flowering Type: Photoperiod

Flowering Time: 7–9 weeks indoors; outdoors late September–October

Effect: Strong, balanced, therapeutic, relaxing

Aroma: Pungent with East Coast Chronic influence

Taste: Rich, classic Chronic profile with earthy sweetness

Height: Medium, central kola dominant

Yield: 550–650 g/m² indoors; heavy resinous buds
Strain Description:

THC Pro boasts 20–25% THC and produces dense, light-green buds tipped with orange hairs and shimmering trichomes. Its effects are typically Indica, offering therapeutic calm that is particularly effective against anxiety and insomnia. While deeply relaxing, it maintains a balanced edge, preventing sedation from becoming overwhelming. With excellent bag appeal and a flavourful profile, THC Pro is a powerful strain suited to both recreational and medicinal users.
Growing Information:

This feminised strain flowers in just 7–9 weeks, making it quick to harvest. It benefits from its Northern Lights and Chronic genetics, being highly durable and resistant to mould, pests, and environmental stress. With minimal side branching, THC Pro focuses energy on producing one large central kola, delivering impressive yields of 550–650 g/m² indoors. Easy to cultivate, it is a reliable choice for growers seeking both potency and productivity.
Strain Flavour And Aromas:

The aroma is bold and pungent, reflecting its East Coast Chronic heritage, while the flavour delivers earthy sweetness with classic skunky undertones. This profile makes THC Pro a treat for connoisseurs seeking old-school depth with modern potency.
Strain Lineage:

By combining Chronic with Northern Lights and backcrossing with BigHead #1, THC Pro inherits durability, fast rooting behaviour, and remarkable resin production. Chronic contributes flavour and structure, Northern Lights adds stability and therapeutic qualities, while BigHead #1 boosts yield and emphasises central kola formation.
Strain Summary:

THC Pro by Big Head Seeds is a balanced Indica/Sativa hybrid with 20–25% THC, offering therapeutic relaxation, resilience in cultivation, and heavy yields. With dense, resin-soaked buds, a rich Chronic-inspired flavour, and effects that ease anxiety and insomnia, it is both a grower’s dream and a consumer’s delight.
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.