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

Unicorn Poop
Unicorn Poop is a delightful hybrid strain known for its vibrant effects and unique flavor profile. Many users report fe...

Vader OG
Vader OG is a popular indica strain known for its relaxing effects and earthy flavors. Many users report a sense of euph...

Valley Girl
Valley Girl is a well-balanced hybrid strain known for its uplifting and creative effects. Many users report a pleasant ...

Vanilla Frosting
Vanilla Frosting is a delightful hybrid strain known for its sweet and creamy flavor profile. Users often appreciate its...
Vanilla Kush
Vanilla Kush is a classic indica known for its sweet, creamy aroma and calming body feel. Many users report a comforting...

Venom OG
Venom OG is an indica strain known for its relaxing effects and earthy flavors. Many users report a sense of euphoria an...
Violator Kush
Violator Kush is a classic indica known for its dense resin production and heavy, body-forward experience. Many users re...

Violet Delight
Violet Delight is a balanced hybrid often described as uplifting, calming, and lightly creative. With berry-sweet flavor...
Viper
Viper is a sativa-leaning cannabis strain known for its lively, clear-headed character. Many users report an energizing,...
Vortex
Vortex is a sativa-dominant strain commonly described as bright, upbeat, and mentally energizing. Many users report a qu...
Walkabout
Walkabout is a balanced hybrid often described as offering a calm, upbeat experience with earthy, citrus-forward flavor....
Walter White
Walter White is a balanced hybrid commonly described as starting with an upbeat, clear-headed lift before easing into a ...
Watermelon Gelato
Watermelon Gelato is a balanced hybrid known for its sweet, fruity profile and calm, uplifting character. Many users rep...
Watermelon Kush
Watermelon Kush is an indica strain known for its sweet, fruit-forward profile and relaxing reputation. Many users repor...
Watermelon Mimosa
Watermelon Mimosa is a hybrid strain commonly described as bright, fruity, and easygoing. Many users report an uplifting...
Watermelon OG
Watermelon OG is a hybrid strain commonly described as sweet, fruity, and relaxing, with a watermelon-forward aroma and ...
Watermelon Zkittlez
Watermelon Zkittlez is a hybrid cannabis strain known for its candy-sweet, fruit-forward profile and a typically relaxin...
Wedding Cake
Wedding Cake is an indica-leaning hybrid known for its dense buds, frosty trichomes, and dessert-like aroma. Many users ...
Wedding Crasher
Wedding Crasher is a hybrid known for its balanced, social-friendly profile and flavourful bouquet. Often considered a s...

Weird Science
Weird Science is a balanced hybrid commonly described as uplifting yet calming, with sweet, earthy citrus notes and a mo...
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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.