For adults 21 and overBatch lab results shown wherever the maker publishes themAdults 21+ onlyLab results where published
Perpetual Disposable Vape – Blue Dream

Blue Dream vs Sour Diesel: Two Sativa-Leaning Classics Compared

Short answer35 vs 10 vapes

Blue Dream vs Sour Diesel is berry against fuel. Both are sativa-leaning hybrids with decades on the menu, and both are among the twenty most searched strains in the country. Blue Dream is Blueberry × Haze, sweet and widely made: 35 vapes from 18 brands here. Sour Diesel is the pungent one, with a disputed family tree and a shorter shelf of 10.

Blue Dream vs Sour Diesel: side by side
Blue DreamSour Diesel
TypeSativa-leaning hybridSativa-leaning hybrid
LineageBlueberry × HazeChemdawg 91 × Super Skunk (most cited)
US searches a month40,50018,100
Vapes we list3510
Tested THC, our listings80.3%–90.4%71.6%–87.8%
Median tested THC87.0% (16 results)83.7% (3 results)
Price$7–$90$10–$45
BrandsBreeze Canna, Drip Cannabis, Fernway, Harbor House Collective, Jeeter and 13 moreCleanAF, MFused, Mitten Extracts, Slerp, Society C and 2 more

Where each one comes from

Blue Dream is the simple story. Every strain database we checked gives the same two parents, Blueberry and Haze. Leafly calls it a sativa-dominant hybrid and AllBud puts the split at roughly 60/40. The name, and the berry note most descriptions open with, come from the Blueberry side.

Sour Diesel is the argument. The version repeated most often, including on Wikipedia, is Chemdawg 91 × Super Skunk. The grower credited with spreading it, known as AJ, has described it differently: an accidental cross of Chemdawg 91 with a line called DNL, which itself carries Northern Lights, Shiva and Hawaiian. Both accounts put Chemdawg 91 in the middle. It went on to found a family of its own; Super Sour Diesel, Sour Apple and Sour Jack are among the descendants on our shelves.

Flavor: berry vs fuel

This is the real difference, and the reason the two are compared at all. Blue Dream descriptions lead with sweet berry. Sour Diesel earned its name: a pungent, fuel-like smell with a citrus edge, usually shortened to Sour D. If you want either flavor to be the plant’s own, buy live resin or rosin. In distillate the terpenes are added back afterwards.

What our listings show

Blue Dream has the deepest shelf on the site. Its 16 published batch results run from 80.3% to 90.4%, with a median of 87.0%, and prices run from a $7 cart by Drip Cannabis to a $90 Briq2 from Select. PAX makes it as a live rosin pod.

Sour Diesel is a smaller and more mixed group. Tru Infusion’s half-gram cart tested highest, at 87.8%, for $10. Slerp’s live rosin cart tested at 71.6%, normal for a solventless extract, and costs $45. 3 of the ten are hemp-derived products that borrow the name: CleanAF’s pen and cart and a TRĒ House HHC disposable.

Which to choose

  • Choose Blue Dream for range. Every format, every extract and every price point is covered, and it’s labeled consistently: sativa or hybrid, never indica.
  • Choose Sour Diesel for the flavor. Nothing else tastes like it, and the live rosin and live resin versions are where it shows.
  • On strength, it’s a draw. The medians are within a few points, and the extract moves the number more than the strain does.

Both strain pages, with every listing and batch figure, start from the Weed Pen home page.

Blue Dream and Sour Diesel questions

Is Blue Dream or Sour Diesel stronger?

Neither, reliably. Blue Dream vapes we list have a median tested THC of 87.0% and Sour Diesel 83.7%, and the gap comes from extract types, not genetics.

Are Blue Dream and Sour Diesel both sativa?

Both are sativa-leaning hybrids. Blue Dream is rated about 60% sativa by AllBud.

What strain is comparable to Blue Dream?

Strawberry Cough is the closest relative on our shelves; it shares Blue Dream’s Haze parent. Pineapple Express is the other sativa-leaning strain with a similar depth of choice.

Is Blue Dream top shelf?

Top shelf describes how something was grown and extracted, not a strain name. Blue Dream is sold here from $7 to $90, and the live rosin pod sits at the top.

What is Sour Diesel a cross of?

Most often given as Chemdawg 91 × Super Skunk. The grower credited with spreading it tells a different story, and both versions include Chemdawg 91.

Sources and method

  • Leafly and AllBud entries for Blue Dream and Sour Diesel; Wikipedia on Sour Diesel’s lineage, as cited on our strain pages
  • Weed Pen catalogue: 35 Blue Dream and 10 Sour Diesel listings

Catalogue figures are counts, medians and ranges over the listings on this site on September 19, 2026. Tested THC is the maker’s own batch result as shown on each listing; we don’t run our own lab tests. Products are for adults 21 and over, and cannabis laws differ by state.