Sour Diesel Auto puts the loud East Coast fuel classic into an autoflower that runs from seed to harvest in about 12 weeks. Seedstockers crossed Sour Diesel with Super Skunk Auto, and the plant keeps the pungent diesel-and-lemon aroma and the fast, cerebral sativa rush that made the name famous.
It is a tall, stretchy auto, yet the breeder still rates it for beginners because it shrugs off small feeding mistakes. Indoors it can give 450–550 g/m² (1.47–1.80 oz/ft²), and outdoors 120–250 g/plant (4.2–8.8 oz/plant) in warm, sunny weather.
The effect is daytime energy: a quick head rush that sharpens focus and lifts the mood with little couch-lock.
Genetics and Lineage of Sour Diesel Auto
The listed genetics are Sour Diesel x Super Skunk Auto. Sour Diesel brings the fuel terpenes and the energizing sativa character, while the Super Skunk Auto side provides the autoflowering trait and extra vigor.
Seedstockers classes it as a sativa with THC at 20–26% and a huge yield rating. The plant shows a classic sativa shape with long internodes and a strong stretch, so it needs more vertical room than most autos.
Aroma, Flavor, and Effect
Breaking open a bud releases pungent petroleum and lemon zest. It is one of the loudest aromas in the catalog and needs good odor control.
The flavor delivers sharp diesel fuel and citrus peel, with earthy and spicy undertones on the exhale. Gassy, sour, and unmistakably Sour Diesel.
The high comes on fast as an energizing cerebral rush that boosts focus, creativity, and mood. With minimal body heaviness, it fits mornings, creative projects, and active days.
Growing Sour Diesel Auto Indoors and Outdoors
Indoors, keep 18/6 or 20/4 light for the full cycle and plan for 100–120 cm (39–47 in) of vertical space. LST or gentle early topping keeps the canopy flat and manageable in standard tents.
The breeder recommends running a carbon filter from week 6 onward. The fuel aroma is intense and almost impossible to hide without proper odor control.
Outdoors, it thrives in warm, sunny climates and can grow tall, so gardens and greenhouses without height limits suit it well. Expect 120–250 g (4.2–8.8 oz) per plant. Because it takes 12 weeks, it is not the pick for growers who need an 8–9 week finish.
Sour Diesel Auto Characteristics
| Strain type | Autoflowering feminized |
| Genetics | Sour Diesel x Super Skunk Auto |
| Indica/Sativa | Sativa |
| THC | 20–26% |
| Effect | Active, energizing, focused |
| Flavor | Diesel fuel, citrus peel, earthy, spicy |
| Aroma | Pungent petroleum and lemon zest |
| Indoor yield | 450–550 g/m² (1.47–1.80 oz/ft²) |
| Outdoor yield | 120–250 g/plant (4.2–8.8 oz/plant) |
| Seed to harvest | 12 weeks |
| Height | Tall (allow 100–120 cm (39–47 in) indoors) |
| Difficulty | Beginner |
| Best cultivation technique | LST or gentle early topping |
FAQ
Is Sour Diesel Auto indica or sativa?
It is a sativa. Its Sour Diesel x Super Skunk Auto genetics give a tall, stretchy plant and an energizing cerebral effect.
How long does Sour Diesel Auto take to grow?
About 12 weeks from seed. It flowers on its own under 18/6 or 20/4 light, with no switch needed.
How tall does Sour Diesel Auto get?
It is a tall auto. Indoors, plan for 100–120 cm (39–47 in) of vertical space and use LST or gentle early topping to control the canopy.
How much does Sour Diesel Auto yield?
Indoors, 450–550 g/m² (1.47–1.80 oz/ft²). Outdoors, 120–250 g/plant (4.2–8.8 oz/plant) in warm, sunny climates.
How strong is the smell of Sour Diesel Auto?
Very strong. The diesel and lemon aroma is among the loudest in the catalog, so a carbon filter from week 6 onward is recommended.
Is Sour Diesel Auto good for beginners?
Yes. Despite its size, it is rated for beginners because it forgives minor feeding mistakes.
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