Highest THC Flower Available in Ontario, Canada

In order to qualify for this list a product must be currently in stock at the Ontario Cannabis Store (ocs.ca) and have consumer reviews submitted from at least 4 different batches. Though there might be some products with a higher average potency, the intention here is to highlight products that have proven to be consistent over time.

Strain AVG THC Most Recent Review OCS Price From Available Sizes
Wedding Mint
TRURO
Indica
27.57% $14.27/g
3.5g
White Wedding
Msiku
Hybrid
25.93% $13.41/g
3.5g
True OG
TRURO
Indica
25.51% $14.27/g
3.5g
Afghani Drifter
Greybeard
Hybrid
25.27% $12.14/g
7g
Kalifornia 3.5g
Kolab Project
Indica
25.17% $11.41/g
3.5g
MAC 1
Citizen Stash
Hybrid
24.72% $17.13/g
3.5g
Indica
Houseplant
Indica
24.68% $11.41/g
3.5g 7g
Nova Glue
Msiku
Hybrid
24.48% $13.41/g
3.5g
Sage & Sour
MTL
Sativa
24.4% $10.13/g
3.5g
Cherry Punch
BLKMKT
Indica
24.37% $14.28/g
3.5g 7g
Bubba Kush
Whistler Cannabis Co
Indica
23.84% $19.99/g
3.5g
OS.Reserve
Original Stash
Indica
23.77% $5.36/g
14g 28g 7g
Limelight
Edison
Sativa
23.28% $9.29/g
3.5g 1g 7g
Craft Collective : Ice Cream Cake
7ACRES
Indica
23.23% $14.27/g
3.5g
Pink Kush
Canna Farms
Indica
23.21% $14.27/g
3.5g
High Seas
Reef
Sativa
23.2% $14.27/g
3.5g
BC Pink Kush
Flowr
Indica
23.07% $13.27/g
3.5g 7g
Green Crush
48N
Sativa
22.97% $9.70/g
3.5g
Blue Nova
Sundial
Sativa
22.72% $9.41/g
3.5g
Big Larry
TRURO
Indica
22.7% $14.27/g
3.5g
Wappa
Redecan
Indica
22.7% $7.91/g
1g 3.5g 7g 15g
Reflect Reserve
Cove
Hybrid
22.68% $9.56/g
3.5g 7g
Rockstar
Grail
Indica
22.64% $11.41/g
3.5g
Glueberry OG
Muskoka Grown
Hybrid
22.44% $12.84/g
3.5g
Pink Kush
Top Leaf
Indica
22.22% $13.61/g
3.5g
Royal Highness
Good Supply
Hybrid
22.01% $6.84/g
1g 3.5g 7g 28g 15g
Rest Reserve
Cove
Indica
21.72% $9.56/g
3.5g 7g
Sky Pilot
Tantalus Labs
Indica
21.72% $10.43/g
3.5g 15g
Bubba
Top Leaf
Indica
21.7% $13.61/g
3.5g
Sensi Star
Spinach
Indica
21.69% $7.69/g
3.5g 7g
Raider Kush
RIFF
Indica
21.65% $8.76/g
1g 3.5g 7g
Cold Creek Kush
Vertical
Indica
21.63% $9.29/g
1g 3.5g 7g
Jean Guy
Good Supply
Sativa
21.63% $6.84/g
1g 3.5g 7g 28g 15g
Subway Scientist
RIFF
Indica
21.5% $7.96/g
1g 3.5g 7g
Mango
Canaca
Indica
21.39% $7.57/g
3.5g
Strawberry Fire OG
Gage Cannabis Co
Indica
21.3% $10.81/g
3.5g 7g
Sonora
Broken Coast
Indica
21.29% $13.71/g
3.5g
Outlaw
Redecan
Sativa
21.24% $5.99/g
1g 3.5g 7g 15g
Watermelon Zktlz
Tenzo
Hybrid
21.19% $11.42/g
3.5g 7g
Diesel
Spinach
Hybrid
21.08% $7.69/g
3.5g 7g
Sensi Star
7ACRES
Indica
21.01% $8.76/g
3.5g 7g
Blue Dream
Spinach
Sativa
20.86% $8.27/g
3.5g
Go
Tokyo Smoke
Sativa
20.82% $8.23/g
1g 3.5g 7g
Cold Creek Kush
Redecan
Sativa
20.79% $5.99/g
1g 3.5g 7g 15g
Delahaze
San Rafael '71
Sativa
20.72% $10.61/g
1g 3.5g 15g 7g
Sense
Solei
Hybrid
20.59% $7.04/g
1g 3.5g 7g
Rockstar Kush
Spinach
Indica
20.56% $7.69/g
3.5g 7g
DT81
RIFF
Sativa
20.53% $8.76/g
1g 3.5g 7g
MK Ultra
Aurora
Indica
20.26% $7.96/g
1g 3.5g 7g 15g
Jack Haze
7ACRES
Sativa
20.26% $8.76/g
3.5g 7g 15g
Ultra Sour
Namaste
Sativa
20.23% $9.29/g
1g 3.5g
The General
Edison
Sativa
20.2% $7.70/g
3.5g
Pink Kush
Pure Sunfarms
Indica
20.16% $6.56/g
1g 3.5g 7g 14g 28g
Hawaii Heartbreak
RIFF
Indica
20.14% $8.89/g
1g 3.5g 7g
Strawberry Fire OG
Gage Cannabis Co
Indica
20.12% $10.81/g
3.5g 7g
Blue Ninety Eight
RIFF
Indica
20.1% $5.70/g
3.5g
Renew
Solei
Indica
20.06% $7.04/g
1g 3.5g 7g
Rise Reserve
Cove
Sativa
20.02% $9.56/g
3.5g 7g
Alien Dawg
Canaca
Indica
20% $7.57/g
3.5g
D Bubba
Namaste
Indica
19.96% $9.29/g
1g 3.5g
Cherry Bomb
Jonny Chronic
Sativa
19.92% $12.27/g
3.5g
Wedding Crasher
Tenzo
Indica
19.92% $12.84/g
7g 3.5g
Indica
Twd
Indica
19.78% $5.71/g
15g 3.5g 7g
90's OG Kush
Table Top
Indica
19.42% $9.99/g
3.5g
Sativa
Twd
Sativa
19.38% $5.71/g
15g 3.5g 7g
Denman
Broken Coast
Sativa
19.38% $13.71/g
3.5g
Pink Kush
San Rafael '71
Indica
19.38% $10.61/g
1g 3.5g 15g 7g
White Widow
Spinach
Hybrid
19.37% $8.27/g
3.5g 7g
God Bud
Redecan
Hybrid
19.32% $5.99/g
1g 3.5g 7g 15g
Grapefruit GG1
Emerald
Hybrid
19.24% $8.56/g
3.5g
Chocolate Fondue
DNA Genetics
Sativa
19.11% $10.61/g
1g 15g 3.5g 7g
Sour Kush
Good Supply
Hybrid
19.05% $5.26/g
15g 28g
Monkey Glue
Good Supply
Hybrid
18.84% $5.26/g
3.5g 28g 15g
Nuken
Palmetto
Indica
18.82% $9.13/g
3.5g
Gather
Solei
Sativa
18.67% $7.04/g
1g 3.5g 7g
Saturna
Broken Coast
Hybrid
18.58% $13.71/g
3.5g
Rotterdam Indica
Highly Dutch Organic
Indica
18.51% $8.56/g
15g 28g 3.5g
Galiano
Broken Coast
Sativa
18.37% $13.71/g
1g 3.5g 7g
Daily Special Sativa
Aurora
Sativa
18.22% $4.46/g
3.5g 7g 15g 28g
Savary
Broken Coast
Indica
18.22% $13.71/g
3.5g
Rio Bravo
Edison
Sativa
18.16% $7.16/g
1g 3.5g 7g 15g
No. 17 Craft
FIGR
Indica
18.12% $9.41/g
1g 3.5g
Jean Guy
7ACRES
Hybrid
18.01% $8.76/g
3.5g 7g
Blue Dream
Canna Farms
Sativa
18% $14.27/g
3.5g
Grower's Choice Sativa
Good Supply
Sativa
17.97% $5.26/g
3.5g 15g 28g
Sweet Jersey 3
RIFF
Sativa
17.87% $9.56/g
3.5g
Afghan Kush
Pure Sunfarms
Indica
17.81% $6.56/g
1g 3.5g 7g 14g
La Strada
Edison
Sativa
17.78% $7.16/g
1g 3.5g 7g 15g
Ghost Train Haze
Aurora
Sativa
17.7% $8.56/g
1g 3.5g 7g 15g
Gabriola
Broken Coast
Indica
17.7% $13.71/g
3.5g
Unplug
Solei
Hybrid
17.61% $7.04/g
1g 3.5g 7g
Orange CKS
Gage Cannabis Co.
Sativa
17.57% $11.63/g
1g 3.5g 7g
Quadra
Broken Coast
Indica
17.53% $13.71/g
1g 3.5g 7g
Daily Special Indica
Aurora
Indica
17.49% $4.46/g
3.5g 7g 15g 28g
Pedro's Sweet Sativa
Color Cannabis
Sativa
17.47% $6.60/g
3.5g 15g
White Widow
7ACRES
Hybrid
17.45% $8.76/g
3.5g 7g
Lola Montes
Edison
Indica
17.34% $7.16/g
1g 3.5g 7g 15g
Spark Buds
Trailblazer
Sativa
17.28% $5.00/g
3.5g 7g 15g
Wappa
Namaste
Indica
17.18% $7.57/g
1g 3.5g
Sativa
Twd
Sativa
17.14% $5.71/g
15g 3.5g 7g
No. 402 Blueberry Kush
Haven St.
Indica
17.09% $9.07/g
1g 3.5g 7g 15g
White Shark
Color Cannabis
Sativa
17.08% $7.86/g
3.5g
Black
Fireside
Hybrid
16.85% $12.50/g
1g 3.5g
Flicker Buds
Trailblazer
Indica
16.64% $5.00/g
3.5g 7g 15g
Pink Grapefruit Haze
Synr.g
Sativa
16.29% $9.99/g
3.5g
The Batch
The Batch
Blend
16.29% $5.70/g
3.5g 7g
Lemon Skunk
DNA Genetics
Hybrid
16.2% $11.41/g
1g 15g 3.5g 7g
Indica!
B!NGO
Indica
16.11% $4.18/g
15g 28g
Sativa!
B!NGO
Sativa
15.84% $4.18/g
15g 28g
Tangerine Dream
San Rafael '71
Sativa
13.91% $9.33/g
1g 3.5g 7g 15g

In the Avg THC column, the dark bar inside the white bar indicates the average reported thc content(dark bar) in comparison to the highest recorded potency for a single batch across all products(White Bar). The thin gray bar indicates the range between the minimum and maximum consumer reported THC content.