Ursa Major Cannabis Flower Strain from Pruf Cultivar

Ursa Major

Prūf No. 102

With a funky aroma and effects that break the laws of productivity after 30% THC, this mystery cultivar must come from another constellation. The clearheaded high still satisfies daily users with a psychedelic dose, while sharpening focus and blurring out distractions so you can settle into completing the project you’ve been avoiding.

Clean Green

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Available As



Cereal Killer x Jet Fuel Gelato

Type 1: THC Rich

THC 32-38% / CBD .05-.09%

Flavor Profile

Pepper, Basil, Funk

Terpene Details

11 Terpenes / 2.55% Total

  • 0.07%


  • 0.03%


  • 0.04%


  • 0.05%

    Caryophyllene Oxide

  • 0.21%


  • 0.26%


  • 0.27%


  • 0.33%


  • 0.34%


  • 0.33%


  • 0.62%


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Discover Cannabis

Navigating Cannabis

Cannabis is among the most chemically diverse plants on earth. Prūf's careful formulations of Type and Terpenes guides exploration of your ideal strains.

Discover Cannabis


Every cannabis strain possesses a unique ratio of THC to CBD. THC (tetrahydrocannabinol) is the psychoactive component of cannabis. CBD (cannabidiol) is a therapeutic compound showing promise at relieving pain and anxiety. A Type 1 plant, with high THC and low CBD, is more intoxicating than a plant than a mixed ratio Type 2, or a Type 3 high CBD/low THC plant.

THC Rich

THC-Rich strains containing low-to-zero amounts of CBD.

Mixed Ratio

Strains with a mixed ratio of THC and CBD.

CBD Rich

CBD-Rich strains containing low-to-zero amounts of THC.


Terpenes are what make up a plant's essential oils, driving richness in flavor and experience. Each Prūf strain contains multiple terpenes and other than Type, terpene profile has the biggest effect on how you experience cannabis in your body.