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
Black Mamba
Black Mamba is an indica-leaning hybrid known for its heavy, calming reputation and rich flavour profile. Many users rep...
Black Tuna
Black Tuna is an indica-dominant strain known for its heavy, calming presence and distinctive dark appearance. Many user...
Blackberry Kush
Blackberry Kush is a classic indica known for its berry-forward aroma and soothing, body-focused character. Many users r...
Blackwater
Blackwater is an indica-dominant strain known for its calming, full-body effects and sweet berry-forward flavor. Many us...
Blue Cookies
Blue Cookies is a hybrid cannabis strain known for its rich berry-cookie flavour and well-rounded experience. Many users...
Blue Dream
Blue Dream is a sativa-leaning hybrid known for its approachable, well-rounded profile. Many users report a clear, uplif...
Blue God
Blue God is an indica strain known for its calming character and blueberry-forward flavour. Many users report a relaxing...

Blue Magic
Blue Magic is a hybrid strain that has gained a reputation for its balanced effects, making it a popular choice among ma...

Blue Velvet
Blue Velvet is an indica strain known for its calming and relaxing effects. Many users report feelings of euphoria and h...
Blueberry
Blueberry is a classic indica known for its sweet berry aroma and relaxing, body-focused character. Many users report a ...

Blueberry Cheesecake
Blueberry Cheesecake is a delightful hybrid strain known for its sweet and fruity aroma, combining the best of both Blue...

Blueberry Diesel
Blueberry Diesel is a popular hybrid strain known for its balanced effects and delightful flavors. Many users report a s...
Blueberry Headband
Blueberry Headband is a hybrid strain known for combining the sweet berry character of Blueberry with the cerebral, slig...
Blueberry Kush
Blueberry Kush is an indica-leaning strain known for its heavy, relaxing profile and sweet berry aroma. Many users repor...
Blueberry Muffin
Blueberry Muffin is an indica-dominant cannabis strain known for its sweet, berry-forward aroma and calming reputation. ...

Blueberry Yum Yum
Blueberry Yum Yum is a popular hybrid strain known for its sweet, fruity aroma and balanced effects. Many users report f...
Bluezilla
Bluezilla is an indica-dominant strain known for its heavy, relaxing effects and prominent blueberry-forward flavours. T...
Boss OG
Boss OG is a well-known indica strain, celebrated for its relaxing effects and earthy flavors. Many users report feeling...
Brainstorm Haze
Brainstorm Haze is a sativa-dominant strain known for its cerebral, uplifting character and lively flavour profile. Many...
Bruce Banner
Bruce Banner is a sativa-leaning hybrid known for bold aromas and strong, uplifting effects typically reported by many c...
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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.