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
3 Bears OG
3 Bears OG is an indica strain known for its relaxing effects and pleasant flavors. Many users report a sense of calm an...
4 Kings
The 4 Kings strain is a hybrid known for its balanced effects and enjoyable flavor profile. Many users report feelings o...
5th Element
The 5th Element strain is a hybrid that has garnered attention for its balanced effects and unique flavor profile. Many ...
707 Headband
The 707 Headband strain is a well-balanced hybrid known for its unique effects and rich flavor profile. This strain is o...
818 OG
818 OG is a popular indica strain known for its calming effects and earthy flavor profile. Many users report feelings of...
9 Pound Hammer
9 Pound Hammer is a heavy-hitting indica known for its deeply calming nature and thick, sweet flavor profile. Many users...
A-Dub
A-Dub is a hybrid strain known for its balanced effects that many users report as both relaxing and uplifting. With a TH...
Acapulco Gold
Acapulco Gold is a well-known sativa that many consumers associate with uplifting and energizing effects. Frequently pra...
Ace of Spades
Ace of Spades is an indica strain often described as a mellow, berry-forward option with sweet and earthy notes. Many us...
Afghan Kush
Afghan Kush is a classic indica with roots in the Hindu Kush mountains, widely known for its rich, hash-like aroma and d...
Afghan Skunk
Afghan Skunk is a well-regarded indica strain known for its relaxing effects and rich, earthy flavors. Many users report...
Afghani
Afghani is a classic indica associated with deep relaxation, calming body effects, and a rich earthy flavor profile. Oft...
Afghani Bullrider
Afghani Bullrider is an indica strain with a reputation for steady, calming effects and a rich earthy profile. Many user...
Afgoo
Afgoo, sometimes called Afgooey, is an indica-leaning strain known for its heavy, soothing body feel and earthy-pine fla...
Agent Lemon
Agent Lemon is a vibrant sativa strain known for its uplifting effects and refreshing citrus flavor. Many users report f...
Agent Orange
Agent Orange is a sativa-leaning hybrid known for its vivid citrus aroma and upbeat character. Many users report a brigh...
AK-47
AK-47 is a sativa-leaning hybrid known for its steady, long-lasting effects and pungent aroma. Many users report a clear...
Alaskan Thunder Fuck
Alaskan Thunder Fuck (often shortened to ATF) is a classic sativa known for its pungent aroma and lively, uplifting char...
Alien OG
Alien OG is a well-known hybrid appreciated in Canada for its potent, fast-onset experience. Many users report a balance...
Alien Rock Candy
Alien Rock Candy is an indica-leaning hybrid known for its sweet-and-sour citrus profile and steady, calming presence. M...
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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.