Extreme Impact Auto by Heavyweight Seeds
Introduction:
Extreme Impact Auto by Heavyweight Seeds is a compact yet incredibly potent autoflowering strain, built for those who crave deep relaxation and a hard-hitting high. With its exceptional ease of growth, high resistance to mould and pests, and a flavour profile combining rich hash with zesty citrus, this strain is a knockout choice for growers and consumers alike.
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Strain Information:
Strain Name: Extreme Impact Auto
Strain Breeder: Heavyweight Seeds
Lineage: Mazar Auto x Fast & Vast Auto
Genetics: 90% Indica / 10% Sativa
Seed Type: Autoflowering Feminised
Flowering Type: Autoflower
Flowering Time: Ready for harvest 8 weeks from germination (indoors and outdoors)
Effect: Intensely powerful, long-lasting body stone with a strong cerebral element
Aroma: Pungent and penetrating with earthy hash tones
Taste: Deep hash with sharp lemon and lime undertones
Height: 70–80 cm
Yield:
Indoors: Up to 650 grams per square metre
Outdoors: 50–150 grams per plant
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Strain Description:
Extreme Impact Auto is not for the faint-hearted. With a massive 21% THC and 0.6% CBD, it delivers a sedating, full-body effect that lingers for hours. This mostly indica strain is ideal for evening or night-time use, offering powerful relaxation and mental calm. Its compact structure and robust genetics make it a superb choice for growers of all skill levels, especially those seeking discretion or limited grow space. From beginner-friendly cultivation to expert-level potency, Extreme Impact Auto is a true standout.
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Growing Information:
This autoflower is remarkably simple to grow and suits a variety of growing setups, including soil, hydro, indoor, greenhouse, or outdoor conditions. Reaching heights of just 70–80 cm, it’s compact yet surprisingly productive. Yields can hit up to 650g/m² indoors, and up to 150g per plant outdoors. It's also highly resistant to pests and mould, making it a reliable option in less-than-perfect environments. With a short lifecycle of just 8 weeks from germination, it’s perfect for multiple harvests per season.
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Strain Flavour and Aromas:
Extreme Impact Auto features a bold, earthy base dominated by classic hash notes, followed by a burst of citrus zest—mainly lemon and lime—that brightens the experience. Its aroma is intense and pungent, filling grow rooms or jars quickly, so adequate ventilation is advised. Terpenes such as myrcene, limonene, and caryophyllene are likely prominent, contributing to both its aroma and its deep, sedative effects.
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Strain Lineage:
This potent hybrid is the result of crossing Mazar Auto, known for its resinous indica qualities and relaxing high, with Fast & Vast Auto, a strain famed for its explosive growth and yield potential. The fusion of these genetics creates a fast-flowering, compact plant that hits hard and rewards generously.
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Strain Summary:
Extreme Impact Auto is a fast, compact, and heavy-hitting strain that delivers on all fronts—potency, flavour, ease of cultivation, and yield. Perfect for evening use or medical users seeking serious relief from pain, stress, or insomnia, this autoflower is a must-try for anyone looking to experience the full power of an indica-dominant hybrid. Grow it once, and you’ll understand why it’s named Extreme Impact.
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.