Leaf Lab: Cannabis Strain Library
Canada's most comprehensive cannabis strain database & library — 100+ verified strain profiles with real THC/CBD data, terpene flavor notes and effects.
Use the filters above or browse the A–Z list below to explore strains by effect, terpene profile or cannabinoid levels.
New to cannabis? Start with our Cannabis Glossary to learn the terms used in strain profiles.
Showing 20 of 508 strains
Snoop’s Dream
Snoop’s Dream is a hybrid cannabis strain known for its berry-forward flavour and balanced, easygoing profile. Many user...
Snow Lotus
Snow Lotus is an indica-leaning hybrid known for resin-packed buds and a balanced body-and-mind experience. Many users r...
Snowcap
Snowcap is a sativa-leaning cultivar known for its bright citrus-pine aroma and clear, upbeat character. Many users repo...
Sour Alien
Sour Alien is a hybrid strain commonly associated with a pungent diesel-citrus aroma and a lively, cerebral feel. Many u...
Sour Amnesia
Sour Amnesia is a sativa-leaning hybrid commonly described as bright, citrusy, and fuel-forward. Many users report an up...
Sour Banana Sherbet
Sour Banana Sherbet is a balanced hybrid known for its dessert-like banana sweetness, sour citrus edge, and diesel finis...
Sour Bubble
Sour Bubble is a classic indica noted for dense, frosty buds and a sour-candy bubblegum profile. Many users report deepl...
Sour Cheese
Sour Cheese is a hybrid strain known for its pungent cheesy aroma and sour diesel edge. Many users report a balanced exp...
Sour Diesel
Sour Diesel is a classic sativa known for its fast-hitting, uplifting character and unmistakable fuel-like aroma. Many u...
Sour Dubble
Sour Dubble is a balanced hybrid commonly described as pairing zesty citrus and diesel notes with sweet berry undertones...
Sour Jack
Sour Jack is a sativa-dominant hybrid commonly described as bright, pungent, and mentally engaging. Its Sour Diesel x Ja...
Sour OG
Sour OG is a balanced hybrid known for its punchy citrus-diesel aroma and clear-headed yet relaxing experience. Many use...
Sour Strawberry
Sour Strawberry is a sativa-leaning hybrid that blends sweet berry flavour with a sharp diesel edge. Many users report a...
Sour Tsunami
Sour Tsunami is a sativa-dominant hybrid known for its CBD-forward profile and functional calm. Many users report clear,...
Space Bomb
Space Bomb is an indica-leaning strain commonly described as heavy, calming, and flavourful, with earthy diesel notes ba...
Space Queen
Space Queen is a lively hybrid known for its bright, sativa-leaning character and tropical fruit aroma. Many users repor...
Special Kush
Special Kush is an indica-leaning strain with a classic Kush profile: earthy, pine-forward, and lightly citrusy with die...
Spirit in the Sky
Spirit in the Sky is a balanced hybrid with a bright, diesel-forward profile and a reputation for an upbeat, clear-heade...
Star Dawg
Star Dawg (often seen as “Stardawg”) is a sativa-leaning hybrid known for its pungent diesel-pine aroma and lively, cere...
Stardawg Guava
Stardawg Guava is a hybrid that blends bright tropical fruit notes with the classic fuel-and-pine edge associated with S...
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Strain Library: Frequently Asked Questions
Why Use a Cannabis Strain Library?
A well-organized strain database helps you compare varieties based on THC/CBD levels, terpene profiles and effects — especially important in Canada's evolving legal market.
What is a cannabis strain library?
This is a searchable collection of cannabis varieties, each with verified data on THC/CBD, terpene profile, effects and flavour notes. Useful for discovery and comparison.
How accurate is the data in a strain database?
We use verified sources where possible and label each profile with updates. Use data as a guide — effects may vary batch to batch.
What are terpenes and why do they matter?
Terpenes are aromatic compounds found in cannabis that contribute to flavour and may influence the overall experience. Browse our terpenes guide for more.
How should I choose a cannabis strain in Canada?
Consider your desired effect (e.g., relaxation or creativity), THC/CBD levels, terpene profile and legal compliance. Use the filters above or explore strain profiles for details.