Critical Jack Auto brings bright citrus character, lively effects, and a rapid 8–10-week seed-to-harvest cycle. This easygoing autoflower pairs sturdy growth with resin-rich buds and impressive yields, making it a compelling choice for growers who want a flavorful harvest without a long wait.
Our breeders created this hybrid from Critical 2.0, Haze, and autoflowering genetics. Its 55% indica and 45% sativa balance draws on Critical’s robust structure and Haze’s spirited character, producing a versatile plant with compact growth and strong branches.
Expect a vivid citrus aroma with sweet, spicy edges and a fresh pine note. The smoke is smooth and flavorful, led by zesty brightness and rounded by soft floral and earthy nuances. Dense buds develop a frosty coating of resinous trichomes.
With 10–15% THC, Critical Jack Auto offers moderate potency and a balanced ride. Creative, energetic, and uplifting effects bring a clear-headed spark, while a gentle body ease adds a relaxed finish. It suits a cheerful afternoon or a wind-down after a long day.
Limonene leads the terpene story with its lively citrus scent, while alpha-pinene adds crisp pine and a fresh, focused edge. Linalool softens the profile with a floral note, supported by beta-pinene, caryophyllene, and myrcene. The result is a bright, layered aroma for fans of zesty strains and flavorful, resin-rich flowers.
These autoflowering seeds begin flowering with age, so there is no need to change the light schedule to trigger bloom. The full cycle takes about 8–10 weeks from germination. Germination is guaranteed, giving you extra confidence as you start your grow.
Start seedlings in a quality, airy medium such as coco or a well-draining soil mix. Keep early care steady and gentle, and avoid overwatering or heavy feeding while plants establish. Critical Jack Auto is beginner-friendly and adapts well to indoor setups or sunny outdoor spaces.
Plants can reach around 1.5 m and develop a strong central stem with sturdy side branches. Provide plenty of light, good air circulation, and a warm, temperate environment. Keep humidity in check and inspect plants regularly for pests. A stable routine helps protect the plant’s vigor and aromatic potential.
From seed to harvest, the quick cycle keeps results within reach. Indoor growers can expect around 450–500 g/m², while outdoor plants may produce 400–500 g each in favorable conditions. Dense, trichome-coated flowers make this a rewarding option for growers seeking both abundant buds and strong resin production.
Order Critical Jack Auto in small or bulk quantities from Grassfarmer. Our expert-selected genetics come with fast, discreet shipping and guaranteed delivery in the USA, Canada, the European Union, and the U.K. Choose this citrus-bright autoflower for a fast-growing crop with lively character and a satisfying harvest.