Sour Diesel Auto

Feminized Seeds
Autoflower
THC 16–23%
CBD < 1%
Genetics Sativa-dominant
Height 47.2 inches indoors47.2 inches outdoors
Yield 1.1–1.3 oz/ft² indoors1.8–6 oz/plant outdoors

Balanced and easy to browse, with a relaxing, uplifting profile.

Great for indoor & outdoor grows and beginners alike.

Price range: 15 $ through 112 $

An uplifting, relaxing profile is the clearest direction in Sour Diesel Seeds, and the grow side is just as straightforward: medium in size, indoor & outdoor in use, and low in output. It can work for beginners, intermediate growers, and experienced growers alike.

Pack size
Free US Shipping On orders over $65
Free Seed for Every $30 Spent 1 extra seed with each $30 in your order
Clear, Honest Genetics No white label. No guesswork.
High Germination Guarantee If seeds don’t sprout, we replace them
Balanced Grow

Medium and sturdy—ideal for small spaces and new growers.

Uplifting Profile

Known for a relaxing, uplifting experience many enjoy.

Clear Genetics

Chemdog 91 x Super Skunk with stable, reliable results.

Customer reviews

Sour Diesel Auto Reviews

No reviews yet.

Be the first to leave one and help other shoppers compare this strain.

An American Fuel Classic in a Compact Auto

Sour Diesel is a sativa-dominant hybrid made from Chemdog 91 and Super Skunk, and offered by Seedkeepers as a feminized autoflower. It offers one of the most distinguished fuel profiles in America in an easy-to-handle auto format: sharp diesel, sour citrus, skunk, earth, and herbs.

According to Seedkeepers, THC is estimated to be around 16-23% and CBD is less than 1%. The effects are said to be both uplifting and relaxing. Although this range is broad, it does allow for a little variability of phenotype and environment. However, its middle can feel pretty substantial to an infrequent consumer.

An East Coast-Inspired Classic

Sour Diesel gained notoriety in the United States for a smell that is almost impossible to miss. Chemdog 91 brings in that chemical fuel and extreme pungence. Super Skunk gives it some sour funk, and earth, and that overall depth.

While the product page does call this version an autoflower, the listed genetic line does not mention a ruderalis parent. For this specific product, customers should trust Seedkeepers about the flowering type rather than using information from another Sour Diesel variety.

The scent starts off with a mix of gasoline and sharp lemon peel. Underneath it all are skunk, damp earth, pepper, and dry herbs. It is possible that some plants may exhibit pine or a hint of sweet fruit, but this is not a dessert cultivar. Its appeal lies in the loud contrast between sour citrus and industrial fuel.

Growth Profile

These feminized autoflowering seeds will start to flower based on maturity, not light cycles. Seedkeepers rates growing these at a medium difficulty level. They also recommend this plant to beginner, intermediate, and expert growers. This plant can be grown indoors and outdoors.

Regardless of the environment, this plant should reach a height of around 47.2 inches. This height will keep it manageable in growing tents, patios, and small gardens. Other factors, such as phenotype, light, container size, nutrients, and overall plant health can still affect how large the plant will grow.

Autoflowering plants grow best with a simple start. Use a good soil mixture and start the plant in a final container as soon as possible. Avoid extra transplants and be careful with pruning. You can encourage growth by positioning the canopy to improve light access.

Indoor Cultivation

Seedkeepers says the average yield for indoor growing is 1.1 to 1.3 ounces per square foot and classifies this as low. This means that this strain has been bred for convenience and typical flavor over maximum yield. The main practical benefits are short height and age-triggered flowering.

The plants will emit fuel and skunk aromas so strong odor control systems might be necessary. During flowering, ensure adequate light and air circulation, especially in the center of the plant.

Provide adequate nutrients, and if adjustments to the mixture are needed, do so based on the plant's visible signals. It is important to avoid overcorrection, as this can sap the plant of valuable time during the autoflower's development.

Outdoor Cultivation

Seedkeepers recommends 1.8 to 6 ounces of yield per plant when grown outdoors. The large disparity is due to how much sunlight, space for roots, weather, phenotype, and overall plant health impact an automatic cultivar. When choosing a site, select an area that gets a lot of sun and has good drainage and decent air circulation to dry the plant's canopy after rain.

The automatic cycle is ideal for shorter growing seasons or staggered planting when it is legal to do so. If your region has an early frost, then you should take precautions to protect your seedlings from cold temperatures, overly saturated soil, pest infestations, and stressful environmental conditions. This is important because early setbacks cannot be corrected later by extending the vegetative growth phase.

Aroma and Experience

Sour Diesel is known more for its skunky and pungent smell than its sweetness. A good cure will allow the smell to shift from raw green to more of a softer and sharper lemon and pine scent, along with fuel, soured citrus, skunk, earthy, herbal, and peppery notes. If post-harvest handling is not done properly, it can remove a lot of that distinction.

The positive uplift sensation representing Sativa Dominance is good, and the relaxing side just adds more balance. The effects of this product are entirely subjective and should not be treated for any type of medical conditions. At 23 percent THC, adult consumer responsibility is an issue.

While discretion is needed, practicality is required. Positive plant health aeration is needed if there is strong ventilation, but odor control is still needed indoors, plus outdoor aeration based on neighbor and location laws.

Who Should Opt For Sour Diesel?

Select this item for a feminized automatic version of Chemdog 91 and Super Skunk. It presents a controlled height of 47.2 inches, flexibility to grow in or out, and a very distinctive smell.

The yield is classified as modest and difficulty as medium, but the distinctive reward favors a diesel, lemon, skunk, earthy, pine, and herbal profile and void of sugary candy sweetness. It suits growers who appreciate both heritage and convenience.

Pack size

1 seed, 10+4 seeds, 3+1 seeds, 5+2 seeds

Seed type

Feminized

Light cycle

Autoflower

THC

High (20–25%)

CBD

Low (0–1%)

Difficulty

Medium

Suitable for

Beginner, Experienced, Intermediate

Effect

Relaxing, Uplifting

Grow location

Indoor & Outdoor

Height

Medium

Yield

Low

Genetics

Chemdog 91 x Super Skunk

Genetics type

Sativa-dominant