Sour Jack Autoflower Feminized Seeds

Genetics & strain profile

Sour Jack Autoflower is a feminized autoflowering strain. It comes from Jack Herer and Sour Diesel. It is 60% sativa and 40% indica with 20 to 25% THC and under 1% CBD, and the page describes it as a manageable size for tents and small outdoor spaces. It carries our compact, balcony-friendly badge.

It has no reviews yet, so what you read here comes from the breeder’s description and not from customer grows, and we will not claim results beyond that. Autoflowers are forgiving, but forgiving is not the same as maintenance-free: water and feed with care and check the plants regularly. Our seeds are guaranteed, so if a seed does not come up, contact us.

How Sour Jack Autoflower grows

Because it is an autoflower, it flowers on its own schedule without a change in light hours, so you can run the same long-day lighting from start to finish. It takes around 80 days from seed to harvest in stable conditions. The plants are compact to medium, a manageable size for tents and small outdoor spaces. Expect 400 to 650 g/m² indoors and 100 to 140 g per plant outdoors; the indoor range is wide, so plan around the lower number.

Sow directly into the final pot, because autoflowers dislike being transplanted, and keep the medium damp but not soaked at about 22 to 25 °C until the seedling breaks the surface. Keep the room steady, with consistent temperature and humidity, because stress can slow an autoflower and cut the yield. Water gently, feed lightly and harvest by the trichomes rather than by the calendar. Outdoors, sow after the last frost so the plant has the whole warm season. Yields are best cases under good conditions, not promises. Check your local rules before you plant.

Taste, aroma and effect

Citrus and lemon with a strong diesel backbone, plus a touch of sweet, tropical aroma. The effect is creative, energetic, euphoric and focused, which suits daytime. At 20 to 25% THC, newer consumers should start with a small amount, since effects vary from person to person. Any flowering cannabis gives off a smell, so plan for odour control indoors. For related autoflowers, see OG Jack Autoflower, Jack Afghan Autoflower and Emperor Jack Autoflower.