
CRITICAL JACK *SUNGROWN*
Critical Jack, also known as "Critical Jack Herer," is a hybrid marijuana strain cross between Critical Plus and Jack Herer. Critical Jack delivers functional cerebral effects with a flavorful blend of lemon, pine, and floral aromas. Its effects are light on the body and stimulating to the mind, allowing one to fixate their attention strongly on whatever task is at hand. Uplifting qualities make Critical Jack a popular daytime remedy for depression, appetite loss, and headaches.
- Cheese
- Blue Cheese
- Citrus

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Critical Jack originated in Spain, where breeder Dinafem Seeds pollinated their own Critical + (or Critical Plus) with a Jack Herer male from Sensi Seeds to form this high-yielding, resin-coated, fruity-flavored bud.
This strain tends to produce a long-lasting balance of an energizing head buzz and warm, relaxing body effects, and according to Dinafem Seeds, the aroma of Critical Jack consists of hints of wood, incense, pine, spices, and lemon. The strain won first place for Outdoor Sativa at the 2016 Unión Cannábica Latino Americana Cup, and first Place for Best Shatter at the 2015 San Bernardino, California, Hempcon Cup.