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
San Fernando Valley OG
San Fernando Valley OG, often shortened to SFV OG, is a hybrid with roots in the classic OG Kush family. It carries a br...
Sapphire Scout
Sapphire Scout is a balanced hybrid known for its layered flavour and steady, calming effects. Many users report a smoot...
Scooby Snacks
Scooby Snacks is a hybrid strain commonly described as balancing an upbeat, social head high with a calmer body feel. It...
Scott's OG
Scott's OG is a hybrid with classic OG Kush character, commonly described as delivering a calm body feel alongside a lig...
Sensi Cheese
Sensi Cheese is an indica-leaning strain known for its pungent cheesy aroma, earthy skunk notes, and calming, mood-lifti...
Sensi Star
Sensi Star is a classic indica known for its deeply calming profile and rich, earthy-citrus flavour. Many users report s...
Serious Happiness
Serious Happiness is a balanced hybrid from Serious Seeds, bred by crossing the classic AK-47 with Warlock. Many users r...
Sherbacio
Sherbacio is a balanced hybrid celebrated for its dessert-like sweetness and smooth, creamy flavor profile. Many users r...

Sherbert
Sherbert, often referred to as Sunset Sherbet or simply Sherbet, is an indica-leaning hybrid known for its dessert-like ...
Sherbet Cake
Sherbet Cake is a hybrid strain often described as dessert-like and smooth, with sweet berry, vanilla, and creamy notes....
Shishkaberry
Shishkaberry, sometimes known as “Kish,” is a classic indica celebrated for its sweet berry aroma and steady, body-forwa...
Shiva Skunk
Shiva Skunk is an indica-dominant strain known for its pungent skunky aroma and calming, body-heavy effects. Many users ...
Shoreline
Shoreline is a balanced hybrid often described as bright and easygoing, with citrus, pine, and light diesel notes. Many ...
Silver Haze
Silver Haze is a sativa-dominant strain known for its bright, cerebral character and classic Haze lineage. Many users re...
SinMint Cookies
SinMint Cookies is a balanced hybrid known for its minty, dessert-like aroma and layered effects that many users describ...
Sinsemilla
Sinsemilla is a hybrid-labelled cannabis term for seedless female flower, not a single strain lineage. Many users report...
Skunk #1
Skunk #1 is a classic hybrid known for its iconic, pungent aroma and balanced head-and-body experience. Many users repor...

Skywalker OG
Skywalker OG is an indica-leaning cultivar known for its heavy, relaxing presence and bold earthy-pine profile. Many use...

Slurricane
Slurricane is an indica-leaning hybrid celebrated for its dessert-like flavor and deeply relaxing vibe. Many users repor...
Smarties
Smarties is a hybrid strain known for its bright, candy-like aroma and a balanced mix of uplifting cerebral effects and ...
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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.