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Granddaddy Purple Auto is a feminized autoflower developed from Granddaddy Purple x Big Bud Auto. Its strongly indica-leaning genetics are listed as 75/20/5%, producing compact, indica-style plants and a distinctly laid-back experience.
Berry and broader fruit notes lead the aroma and flavor. An herbal undertone and a clear pine finish add depth, keeping the fruity profile from becoming excessively sweet.
THC reaches 19%, and the effects center strongly on the body. Physical relaxation is pronounced, with higher doses readily moving toward sleepiness. Its character suits evenings and other moments when easing tension and slowing down are the priority.
The usual seed-to-harvest period is 10–12 weeks. Automatic flowering removes the need to schedule a photoperiod switch and supports cultivation in varied conditions. The cycle offers a relatively prompt finish with the predictable pace of an auto.
Indoor plants most often reach 70–120 cm and yield around 375–450 g/m². Outdoors, the usual height is 80–140 cm, with production of 110–160 g per plant. Granddaddy Purple Auto therefore combines manageable size with solid returns and a clearly relaxing profile.