The Birmingham based 710 Genetics describe themselves as a "boutique" UK seed bank that supply both rare and widespread strains from the United States and Europe. They cut out the middle man, bringing the customer strains directly from the breeder.

Shellshock derives from the cross between a Amnesia Haze and an elite clone. The result is a high-yielding, easy-to-grow, Sativa-dominant cannabis strain that grows strong, powerful and vigorous.Shellshock produces a wonderful big marijuana plant with a strong open structure, considerable distance between nodes and thin elongated leaves. It grows very vigorously, a short growing period being recommended indoors. Its many long branches bear big long compact resinous buds.Shellshock is a cannabis strain that shows good resistance to moisture and pests. It performs well indoors as well as outdoors in Mediterranean/temperate climates or in a greenhouse. The quality bumper crop that this marijuana plant produces makes up for its quite long flowering period. A moderate fertilisation is recommended.Shellshock has an intense flavour and aroma, with notes of fruit and musk. The long-lasting effect is powerful, cerebral and uplifting, providing a state of euphoria. It is the perfect cannabis strain to spend quality time with your friends.Genotype: Sativa dominantCross: Amnesia Haze x elite cloneIndoor flowering period: 10-14 weeksOutdoor harvest time: NovemberIndoor yield : 450-500 g/m²Outdoor yield: 600-800 g/plantIndoor height: 1.5 mOutdoor height: 3 mTHC: 15-20%