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
Jack Flash
Jack Flash is a sativa‑leaning hybrid known for its energetic, clear-headed feel and bright pine-citrus aroma. Many user...
Jack Herer
Jack Herer is a celebrated sativa with a long-standing reputation for clear-headed, uplifting effects typically reported...
Jack Skellington
Jack Skellington is a sativa-leaning hybrid known for a cerebral lift paired with light physical ease. Many users report...
Jack the Ripper
Jack the Ripper is a sativa-leaning cultivar with a reputation for brisk, citrus-forward aroma and a stimulating head ex...
Jager
Jager is a balanced hybrid known for its approachable, uplifting profile and a reputation for smooth cerebral effects pa...
Jet Fuel
Jet Fuel, sometimes called G6, is a sativa-leaning hybrid known for its pungent diesel aroma and lively, head-forward ex...
Jillybean
Jillybean is a flavour-forward hybrid known for its vibrant citrus profile and upbeat reputation. Many users report a ch...
Juicy Fruit
Juicy Fruit (also known as Fruity Juice) is a balanced hybrid with a sunny reputation for bright, tropical flavours and ...
Jungle Cake
Jungle Cake is a hybrid strain with a reputation for delivering a rich, dessert-like flavour and a balanced, potent effe...
Kali Mist
Kali Mist is a sativa-dominant strain known for its uplifting, cerebral character and clear-headed buzz. Many users repo...
Kandy Kush
Kandy Kush is an indica-leaning hybrid celebrated for its sweet, candy-like flavour and balanced, approachable profile. ...
King Louis XIII
King Louis XIII, also known as King Louis or King Louis XIII OG, is a classic indica known for its dense buds, rich pine...
King Tut
King Tut is a sativa-leaning cannabis strain known for its lively, uplifting character and citrus-pine aroma. Many users...
Koffee
Koffee is a sativa-dominant hybrid known for a coffee-like aroma and a liftier, daytime-leaning effect profile. Many use...
Kosher Kush
Kosher Kush is a renowned indica strain celebrated for its heavy, soothing character and classic kush profile. Many user...
Kryptonite
Kryptonite is a hybrid strain known for a balanced mix of uplifting and relaxing effects. Many users report a clear-head...
Kushberry
Kushberry is an indica-leaning hybrid known for its sweet berry aroma and relaxed, body-forward effects. Typically repor...
La Bomba
La Bomba is a sativa-dominant strain known for lively, uplifting effects and a citrus-forward aroma. It has a reputation...
LA Confidential
LA Confidential is a classic indica cultivar celebrated for its pine-forward aroma and soothing, full-body experience. M...
Larry OG
Larry OG, also known as “Lemon Larry,” is an indica-leaning hybrid appreciated for its clean citrus profile and steady, ...
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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.