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
Mazar
Mazar is a classic indica known for its dense, resin-rich buds and deeply relaxing character. Often praised for its eart...
Meat Breath
Meat Breath is an indica-dominant strain known for its heavy, meaty aroma and relaxing effects. Many users report it pro...
Melon Kush
Melon Kush is a hybrid strain with an indica-leaning profile known for its sweet, fruity melon notes and calming effects...
Melonade
Melonade is a sativa-leaning hybrid celebrated for its bright citrus-and-melon bouquet and an upbeat, functional vibe. M...
Midnight
Midnight is an indica-leaning strain with a reputation for calm, sedating effects that suit evening use. Many users repo...
Milk Bone
Milk Bone is a hybrid strain known for a creamy, dessert-like flavour and a balanced, relaxing character. It's typically...

Mimosa
Mimosa is a sativa-leaning hybrid celebrated for its bright citrus aroma and upbeat, clear-headed character. Many users ...

Mint Chocolate Chip
Mint Chocolate Chip is a hybrid strain known for its minty, dessert-like aroma and balanced lifted relaxation. Many user...
Mob Boss
Mob Boss is an indica-leaning strain often described as pungent, diesel-forward, and deeply relaxing. Many users report ...

Mochi
Mochi, sometimes called Mochi Gelato, is a balanced hybrid known for dessert-like flavors and a smooth, calming profile....
Morpheus
Morpheus is commonly described as an indica-leaning strain with sweet berry notes, kush-like earthiness, and a calming f...
Motorbreath
Motorbreath is an indica-leaning strain known for its loud diesel aroma, earthy spice, and body-heavy effects. Many user...
Mr. Nice
Mr. Nice is a balanced hybrid with a reputation for mellow, approachable effects. Typically reported as delivering a rel...
Mud Bite
Mud Bite is an indica-leaning hybrid with earthy, diesel-forward aromatics and a mellow, body-centred character. Many us...
Napalm OG
Napalm OG is an indica-leaning hybrid from the OG Kush family, valued for its pungent diesel-forward aroma and steady, c...
Neville’s Haze
Neville’s Haze is a classic sativa known for its soaring, cerebral profile and long-lasting uplift. Fans typically repor...
Night Nurse
Night Nurse is an indica-dominant strain commonly described as heavy, calming, and best suited to evenings. Many users r...

Northern Lights
Northern Lights is a classic indica recognized for its calm, body-forward reputation and timeless flavour. Many users re...
Nuken
Nuken is an indica-leaning hybrid commonly described as potent, calming, and flavourful. Many users report a quick mood ...
Obama Runtz
Obama Runtz is a hybrid strain known for sweet, candy-like flavour and a smooth, balanced high. Many users report an upb...
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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.