Sour Jealousy Auto brings together two very different heavyweights: Jealousy from Seed Junky and Fast Buds’ own Sour Diesel Auto F5. The result is a 75% Sativa / 25% Indica F5 feminized autoflower with up to 29% THC and a terpene profile that mixes sour fuel with something earthy and exotic.
She grows with classic sativa vigor: long internodes, slim leaves and tall, stacked colas. Fast Buds rates her XXL, at 90-150 cm (39-59 inches). She is still an autoflower, so there is no light switch; give her 18/6 or 20/4 all the way and she finishes about 10 weeks after sprouting.
Yields are generous: 500-600 g/m² (1.6-2 oz/ft²) indoors and 60-300 g (3-11 oz) per plant outdoors.
The buds are big and dense with vibrant orange hairs and a creamy resin coat. The smell builds quickly in a grow room, so plan on a good carbon filter indoors.
Sour Fuel with a Truffle Twist
The nose opens with sharp lemon zest and diesel, then reveals floral notes and subtle black truffle and earth underneath. It is pungent, layered and unmistakably sour on the palate.
The high hits fast and lands in the head. Growers most often call it creative, happy and energetic: a bright, motivating rush that boosts mood and focus. It is a wake-and-bake style strain for active days, projects and creative sessions, without a heavy crash.
Growing Sour Jealousy Auto
She does best in warm climates, but she is not demanding. Basic training and a light feeding schedule are enough; give her height and some patience and she pays back with resin, yield and flavor.
Outdoors and in greenhouses, a sunny spot and a large container help her reach the upper end of her 60-300 g (3-11 oz) range. Indoors, her height means a tent with some headroom is the safer choice, and a strong exhaust with a carbon filter will keep the sour fuel aroma contained.
Indoors, low-stress training keeps the tall colas closer to the light, and stakes help the heavy tops stay upright in late bloom.
Sour Jealousy Auto Characteristics
| Strain type | Autoflowering (feminized) |
| Genetics | Jealousy (Seed Junky) x Sour Diesel Auto F5 (F5) |
| Indica/Sativa | 25% Indica / 75% Sativa |
| THC | Up to 29% |
| CBD | Less than 1% |
| Effect | Creative, happy, energetic, focused |
| Flavor | Sour lemon, diesel, floral, earth, black truffle |
| Indoor yield | 500-600 g/m² (1.6-2 oz/ft²) |
| Outdoor yield | 60-300 g/plant (3-11 oz/plant) |
| Seed to harvest | 10 weeks |
| Height | 90-150 cm (39-59 inches), XXL size class |
| Climate | Prefers warm climates |
| Best cultivation technique | Basic LST, light feeding, stakes in late bloom |
FAQ
What are the genetics of Sour Jealousy Auto?
Fast Buds crossed Jealousy from Seed Junky with its Sour Diesel Auto F5 and stabilized the line as an F5 feminized autoflower.
How strong is Sour Jealousy Auto?
Fast Buds reports THC levels of up to 29%.
What kind of effect does she have?
A sativa-dominant, fast-hitting head high that growers describe as creative, happy and energetic. Good for daytime and active plans.
How long does Sour Jealousy Auto take?
About 10 weeks from seed to harvest, under 18/6 or 20/4 lighting for the entire run.
How tall and productive is she?
She reaches 90-150 cm (39-59 inches) and yields 500-600 g/m² (1.6-2 oz/ft²) indoors or 60-300 g (3-11 oz) per plant outdoors.
Does Sour Jealousy Auto smell strong?
Yes. Expect sharp lemon, diesel and earthy truffle notes that fill a room quickly, so a carbon filter is a must indoors.
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