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 8 of 508 strains
Yumboldt
Yumboldt (sometimes seen as “Yumbolt”) is a classic indica with roots in California’s Humboldt County. It’s widely appre...

Z Cube
Z Cube is a hybrid strain that blends the fruity sweetness of Zkittlez with the robust profile of Cube. Many users repor...

Zacks Pie
Zacks Pie is a hybrid strain known for its delightful balance of uplifting and relaxing effects. Many users report feeli...
Zaza
Zaza is a well-balanced hybrid strain known for its vibrant effects and delightful flavor profile. Many users report fee...

Zelly’s Gift
Zelly’s Gift is a hybrid strain that has gained a reputation for its balanced effects, making it a popular choice among ...

Zen
Zen is an indica strain known for its calming effects and soothing properties. Many users report a sense of tranquility ...
Zkittlez
Zkittlez is an indica-leaning cultivar celebrated for its bright, candy-like flavour profile and steady, relaxing vibe. ...
Zookies
Zookies is a balanced hybrid known for pairing cookie-like sweetness with a diesel edge. Many users report a clear lift ...
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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.