Sour Diesel Seeds

Fuel-Grade Potency From a True Sativa Legend

Sour Diesel seeds deliver one of the most recognizable sativa genetics in cannabis, built on a Chemdawg x Super Skunk cross that pushes THC up to 26% while producing that unmistakable pungent, fuel-forward profile growers and consumers have chased for decades. If you want a high-ceiling sativa with commercial-grade indoor yields of up to 500g/m² and outdoor harvests reaching 600g per plant, Sour Diesel belongs in your grow room. Available as feminized and autoflower seeds, this strain suits both experienced photoperiod growers and those running faster, space-limited cycles.

Seed TypeFlowering TimeYieldBest For
Feminized9-11 weeks400-500g/m² (indoor) / 500-600g/plant (outdoor)Maximizing yield, outdoor seasonal grows, experienced growers
Autoflower8-10 weeks from seedApprox. 300-400g/m² (indoor)Faster harvests, compact spaces, multiple runs per year

Feminized Sour Diesel is the format to choose if you want the full genetic expression of the Chemdawg x Super Skunk lineage. The longer 9-11 week flowering window gives the plant time to push resin production toward that 26% THC ceiling, and the outdoor yield potential of 500-600g per plant makes it one of the more productive sativas you can run in a warm-climate garden. Most of the major seedbanks carry this format, giving you real options when comparing breeders and pack sizes.

Autoflower Sour Diesel, currently available through MSNL, trades some of that peak yield potential for a faster 8-10 week seed-to-harvest window. If you are running a perpetual indoor setup or want to fit a sativa-leaning strain into a shorter outdoor season, the auto version is the practical pick. Expect slightly lower yields compared to feminized, but the compressed timeline and independence from light schedules make it a workable option for growers who prioritize speed over maximum output.

Where to Buy Sour Diesel Seeds

Compare prices from verified seedbanks

SeedbankScoreSeed TypesPrice
Seed CityFeminizedFrom ~$6.65/seed
MSNL7.0/10AutoflowerFrom $10.27/seed
Barney's Farm4.5/10FeminizedFrom $12.10/seed
Royal Queen Seeds6.9/10FeminizedFrom $12.50/seed
Crop King Seeds7.2/10FeminizedFrom $13.00/seed
Seedsman7.1/10FeminizedFrom $13.32/seed
ILGM7.4/10FeminizedFrom $14.80/seed
Homegrown Cannabis Co6.4/10FeminizedFrom $17.50/seed
Herbies Seeds7.3/10FeminizedFrom $18.82/seed

Links go directly to seedbank product pages.

AttributeValue
Strain TypeSativa
LineageChemdawg x Super Skunk
THC ContentUp to 26%
CBD Content0.1-0.3%
Flowering Time9-11 weeks
Indoor Yield400-500g/m²
Outdoor Yield500-600g/plant
Growing DifficultyModerate
Available FormatsFeminized, Autoflower

Buying Guide: Sour Diesel Seeds

Where to Buy

Nine seedbanks currently carry Sour Diesel seeds for sale. Feminized seeds are available from Seedsman, ILGM, Crop King Seeds, Homegrown Cannabis Co, Herbies Seeds, Royal Queen Seeds, Barney's Farm, and Seed City. If you want the autoflower version, MSNL is currently the only source for Sour Diesel autoflower seeds, which makes them the default choice for that format with no direct competitor to benchmark against on price or pack size.

Seedbank Differences

Among the feminized options, review scores separate the field noticeably. ILGM scores 7.4/10 for this strain and backs purchases with a germination guarantee that carries real weight given Sour Diesel's moderate difficulty rating. Crop King Seeds follows at 7.2/10 and is a solid mid-range option with consistent pack sizing. Royal Queen Seeds scores 6.9/10 for their Sour Diesel feminized, which is lower than expected for a breeder of their profile. Barney's Farm scores just 4.5/10 for this specific strain, which is a meaningful gap from the others and worth factoring into your decision even if you have had good results with their other genetics. Seedsman, Homegrown Cannabis Co, Herbies Seeds, and Seed City all carry feminized Sour Diesel without published strain-specific scores, so buyer reviews on those platforms should carry more weight in your comparison. Herbies Seeds and Seedsman both tend to stock multiple breeder versions of popular strains, which means you may find different phenotype expressions of the Chemdawg x Super Skunk cross depending on which underlying breeder they source from.

Value Assessment

At up to 26% THC with a 400-500g/m² indoor yield and a 9-11 week flower, Sour Diesel sits in a competitive position among high-THC sativas. For direct comparison, strains like Ghost Train Haze and Amnesia Haze operate in a similar THC range but often come with longer flowering windows of 10-12 weeks and comparable yield ceilings. Sour Diesel's slightly shorter flowering time relative to those alternatives gives it a practical edge for growers who want near-top-shelf potency without committing to a three-month indoor cycle. The Chemdawg lineage in particular is associated with verified high-resin output, which justifies paying for seeds from breeders with strong genetics documentation rather than defaulting to the lowest per-seed price on the list.

Frequently Asked Questions

What's the difference between Sour Diesel Feminized and Autoflower seeds?

Sour Diesel feminized seeds run a 9-11 week flowering cycle and can produce up to 600g per plant outdoors, making them the better choice if maximizing yield from the Chemdawg x Super Skunk genetics is your goal. The autoflower version, available exclusively through MSNL, finishes in 8-10 weeks from seed regardless of light schedule and suits growers running shorter cycles or limited indoor spaces. The tradeoff is yield: autoflower Sour Diesel produces less per plant than the feminized version, and you have fewer seedbank options since only MSNL currently stocks the auto format.

What THC level can I expect from Sour Diesel seeds?

Verified Sour Diesel genetics can reach up to 26% THC, though actual results vary by seedbank and phenotype. ILGM's Sour Diesel feminized, which scores 7.4/10 in buyer reviews, is among the more consistently rated options for potency. If hitting the upper end of the THC range matters to you, look for seedbanks that publish lab-tested results for their specific Sour Diesel batch rather than relying solely on the strain's general THC ceiling. Barney's Farm's version scores only 4.5/10 for this strain specifically, suggesting more variability in their phenotype expression.

Is Sour Diesel a good strain for beginner growers?

Sour Diesel is rated moderate difficulty, which places it above beginner-friendly strains like Northern Lights or Blue Dream but below demanding sativas like Haze varieties that require 12-plus weeks to flower. The 9-11 week photoperiod flowering window and sativa structure mean the plant needs space management, but the genetics are stable enough across reputable breeders that a grower with one or two previous grows should handle it without major issues. If this is your first sativa, ILGM's version (7.4/10) comes with a germination guarantee that reduces the financial risk of a moderate-difficulty first run.

Where can I buy Sour Diesel seeds online?

You can buy Sour Diesel seeds from nine seedbanks: Seedsman, ILGM, Crop King Seeds, Homegrown Cannabis Co, Herbies Seeds, MSNL, Royal Queen Seeds, Barney's Farm, and Seed City. For feminized seeds, ILGM (7.4/10) and Crop King Seeds (7.2/10) have the strongest strain-specific review scores. For autoflower seeds, MSNL is currently the only option. Avoid Barney's Farm if consistent potency is your priority, as their Sour Diesel scores 4.5/10 compared to the 7-plus scores from ILGM and Crop King, a gap large enough to factor into your purchase decision.