Sour Blueberry is a Californian variety Humboldt Seeds Bank.

Sour Blueberry born of the cross between Blueberry, well known for its purple hues and for its fruity flavor and a bitter taste Indica. The result is a more productive variety that pure line, fruity acidic and compact buds. It is a cross indicates that make you happy all the plants that you like simply by its magnificent appearance.

Sour Blueberry has a physical effect and relaxing, suitable for nervous type problems.

The cold nights are the key to bluish tones that all this variety rants searches.