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Sour Jack

Sour Jack

Hybrid - 50%
Recommended time of use: Morning
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About Sour Jack

Sour Jack is an evenly balanced hybrid, 50 percent Sativa and 50 percent Indica, but its effects lean heavily towards Sativa.

The child of two famous strains - Jack Herer and Sour Diesel - Sour Jack features THC content up to 22 percent and a CBD count of just 0.22 percent. The strain has earned a handful of awards at Cannabis Cups in recent years and is perfectly suitable for wake-n-bakes or midday use due to its energy stimulating effects.

The aroma of Sour Jack is intense with a pungent mix of diesel fuel and citrus. Overall, it should smell sour with notes of lemon pine. The taste is similar to the scent and users may notice the fuel smell more in the smoke. The buds are lime green with orange hairs. 

This bud is ideal for recreational users because of the high THC, which offers an entertaining psychoactive effect (if you enjoy that sort of thing). The high hits the head with an uplifting effect that provides energy and euphoria. New users should be careful with this herb as it delivers a punch with just one hit. Some people have reported subtle sound and visual hallucinations while using this strain as well.

You may find that this herb is tricky in that it sneaks in a much more potent effect than first thought. The effect should hit quickly and last for a few hours. Try and set yourself some tasks, particularly of a creative nature, and see what this herb helps you do. 

Medical users with severe conditions should look for another strain due to Sour Jack’s very low CBD level. However, as half indica, this strain will have some body effects that may alleviate mild anxiety, depression, and insomnia. The energetic effects of the weed may also help medical users climb out of lethargy or depression and get active again. 

A rare strain and difficult for growers to find, check Karma Genetics first. Grow it indoors or outdoors and expect the plants to grow tall and flower in about ten weeks, which is a little longer than most cannabis strains but worth it due to the high yield it offers. 

One home grower shared some tips for growing Sour Jack indoors. For soil, try four parts Fox Farm Ocean Forest and one part Perlite. In extra nutrients, choose Grow Big for the vegetative phase but you shouldn’t need too much. Use Tiger Bloom in the flowering stage and keep temperatures in the low 70s for best results. Yields are generally above average.

THC Content - 22.0% Highest Test

Average Hybrid
Sour Jack Highest Test
Sour Jack Average

Common Usage




March 20, 2018
Very nice Sativa that kept me happy & uplifted for my day activities. The smell & taste was lemon/citrus & diesel (from parent Sour Diesel). The bud was a lighter green with fine trichomes and orange pistils. Enjoyed this Sativa & would say it is one of the better one's out there!
Patrick Gallagher
February 24, 2018
I have a sour jack... Growing in my grow room right now 5 weeks into flower huge plant awesome buds really tight formation topped the hell out of it during its whole vegetative stage fetid Canna bio line awesome results just follow grow chat plant is 5 feet tall and it's almost that wide not sure if I can even picture here but it was impressive also grew six of them in my outdoor Garden this summer this one here is a clone from that big difference in the buds outside then these beautiful knowledge indoor using a thousand watt high pressure sodium also a nano 315 CMH three more weeks until I started flush figure out giving it to weak flush the forest all the nutrients in the Canna up into them buns buds and push it all out to get that nice lemony citrus flavor with that pungent diesel overall very good plant to grow expecting more than a pound loves to feed also loves mammoth.
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