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Critical – Advanced Seeds

Critical by Advanced Seeds is a powerful and productive feminised hybrid created from the combination of Critical Mass, Brazilian and South Indian genetics. Known for its impressive branching, fast development and exceptional bud production, this Mostly Indica strain is perfect for growers seeking generous yields and straightforward cultivation both indoors and outdoors.

Strain Information:
Strain Name: Critical
Strain Breeder: Advanced Seeds
Lineage: Critical Mass × Brazilian × South Indian
Genetics: Mostly Indica
Seed Type: Feminised
Flowering Type: Photoperiod
Flowering Time: 7–8 weeks indoors
Effect: Relaxing, soothing and deeply calming
Aroma: Sweet, earthy and mildly fruity
Taste: Smooth, sweet, slightly herbal with subtle fruit tones
Height: Indoors 70–90 cm; outdoors 200–300 cm
Yield: 450–500 g/m²
THC: 16%
Harvest: Beginning of October (outdoor)

Strain Description:
Critical by Advanced Seeds delivers exceptional bud production thanks to its vigorous branching and robust Indica structure. Plants grow large and highly productive, forming dense clusters of buds across multiple branches. The strain offers a pleasantly relaxing effect supported by a sweet, earthy aroma. With a THC level of 16%, it provides a gentle yet satisfying experience suitable for those seeking a balanced, mild potency profile. This strain is favoured for its fast flowering, strong structure and abundant yields.

Growing Information:
Critical is adaptable to all substrates and cultivation styles, making it a grower-friendly choice. Indoors, a short vegetative stage—no more than 10 days—is recommended to prevent plants from becoming overly large. Outdoors, this variety thrives and can stretch up to 3 metres, producing extensive branching and numerous heavy buds. Due to the sheer weight of its flowers, the use of support guides is advised during late flowering to prevent branches from bending or breaking. With a 7–8 week flowering period and an early October harvest outdoors, growers can expect fast, highly productive results.

Strain Flavour and Aromas:
The flavour and aroma of Critical combine sweet undertones with earthy and subtle fruity hints. The profile is smooth and pleasant, providing a classic Indica-style scent that intensifies as buds mature and resin builds.

Strain Lineage:
Critical is formed from a three-way combination of Critical Mass, Brazilian and South Indian genetics. Critical Mass contributes enormous yields and dense bud formation, Brazilian influences add complexity and aroma, while the South Indian lineage enhances structure, resilience and plant vigour. These combined traits create a high-performing, fast-flowering hybrid.

Strain Summary:
Critical by Advanced Seeds is a productive, resilient and easy-to-grow feminised hybrid with a 7–8 week flowering cycle, 450–500 g/m² yields and a balanced 16% THC level. With its sweet aroma, impressive branching and heavy bud production, it is an excellent choice for growers seeking consistent results and abundant harvests in both indoor and outdoor environments.

Critical Feminised by Advanced Seeds

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  • Free Seed Promotion

    With our Free Seed Promotion, you’ll receive 2 free seeds for every £10 spent—1 feminised seed and 1 regular seed.

    We also round up to the nearest £10, so if you spend £18, we’ll count it as £20, meaning you’ll receive 4 free seeds instead of 2!

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