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
Limelight
Edison
Sativa
23.92% $12.04/g
3.5g
BC Pink Kush
Flowr
Indica
23.29% $14.27/g
3.5g 7g
Pink Kush
Canna Farms
Indica
22.92% $16.14/g
3.5g
Wappa
Redecan
Indica
22.87% $9.41/g
1g 3.5g 7g 15g
Reflect Reserve
Cove
Hybrid
22.82% $11.41/g
3.5g 7g
Headband
Grail
Sativa
22.58% $13.71/g
3.5g
Royal Highness
Good Supply
Hybrid
22.27% $6.84/g
1g 3.5g 7g
Cold Creek Kush
Redecan
Hybrid
21.96% $7.13/g
1g 3.5g 7g 15g
Raider Kush
RIFF
Indica
21.65% $9.41/g
1g 3.5g 7g
Cold Creek Kush
Vertical
Indica
21.63% $10.84/g
1g 3.5g 7g
Strawberry Fire OG
Gage Cannabis Co.
Hybrid
21.43% $10.81/g
3.5g 7g
Hawaii Heartbreak
RIFF
Indica
21.29% $9.56/g
1g 3.5g 7g
Sense
Solei
Hybrid
20.98% $9.13/g
1g 3.5g 7g
Subway Scientist
RIFF
Indica
20.96% $8.56/g
1g 3.5g 7g
Sensi Star
7ACRES
Indica
20.87% $10.35/g
3.5g 7g
Delahaze
San Rafael '71
Sativa
20.73% $11.84/g
1g 3.5g 7g
Tsunami
Hexo
Indica
20.72% $11.41/g
3.5g 15g
Sensi Star
Spinach
Indica
20.69% $8.76/g
3.5g 7g
God Bud
Redecan
Hybrid
20.37% $7.13/g
1g 3.5g 7g 15g
Renew
Solei
Indica
20.35% $9.13/g
1g 3.5g 7g
DT81
RIFF
Sativa
20.33% $9.41/g
1g 3.5g 7g
Jack Haze
7ACRES
Sativa
20.12% $12.56/g
3.5g 7g 15g
Blue Ninety Eight
RIFF
Indica
20.1% $9.56/g
3.5g
Ghost Train Haze
Color Cannabis
Sativa
20.09% $10.19/g
3.5g
Rise Reserve
Cove
Sativa
19.84% $11.41/g
3.5g 7g
Pink Kush
San Rafael '71
Indica
19.81% $11.01/g
1g 3.5g 7g
Indica
Twd.
Indica
19.78% $7.16/g
15g 3.5g 7g
MK Ultra
Aurora
Indica
19.71% $9.02/g
1g 3.5g 7g 15g
Denman
Broken Coast
Sativa
19.7% $13.71/g
3.5g
Ultra Sour
Namaste
Sativa
19.29% $11.20/g
1g 3.5g
Chocolate Fondue
DNA Genetics
Sativa
19.27% $11.99/g
15g 3.5g 7g
Pedro's Sweet Sativa
Color Cannabis
Sativa
19.22% $10.19/g
3.5g
Daily Special Indica
Aurora
Indica
18.94% $5.00/g
3.5g 7g 15g
Unite Organic
The Green Organic Dutchman
Indica
18.81% $13.70/g
3.5g 7g
Two-Tone Ban
RIFF
Hybrid
18.78% $9.56/g
3.5g
White Rhino
Pure Sunfarms
Indica
18.76% $7.96/g
1g 3.5g 7g
Gather
Solei
Sativa
18.53% $8.56/g
1g 3.5g 7g
Daily Special Sativa
Aurora
Sativa
18.43% $5.00/g
3.5g 7g 15g
Blue Dream
Aurora
Sativa
18.36% $9.02/g
1g 3.5g 7g
Galiano
Broken Coast
Sativa
18.28% $13.71/g
1g 3.5g 7g
Diesel
Spinach
Hybrid
18.27% $9.41/g
3.5g 7g
El Dorado
Edison
Indica
18.14% $9.70/g
1g 7g 3.5g
Afghan Kush
Pure Sunfarms
Indica
18.02% $7.34/g
1g 3.5g 7g
Blue Dream
Canna Farms
Sativa
18% $16.14/g
3.5g
Rio Bravo
Edison
Sativa
17.98% $9.02/g
1g 3.5g 7g 15g
Jean Guy
7ACRES
Hybrid
17.89% $10.35/g
3.5g 7g
Sweet Jersey 3
RIFF
Sativa
17.87% $9.56/g
3.5g
Alien Dawg
Canaca
Indica
17.72% $9.41/g
3.5g
La Strada
Edison
Sativa
17.62% $7.16/g
1g 3.5g 7g 15g
Quadra
Broken Coast
Indica
17.56% $13.71/g
1g 3.5g 7g
Lola Montes
Edison
Indica
17.34% $7.16/g
1g 3.5g 7g 15g
Sativa
Twd
Sativa
17.14% $7.16/g
15g 3.5g 7g
Wappa
Namaste
Indica
17.1% $8.27/g
1g 3.5g
No. 402 Blueberry Kush
Haven St.
Indica
17.09% $9.07/g
1g 3.5g 7g 15g
Black
Fireside
Hybrid
16.85% $12.50/g
1g 3.5g
Cabaret
AltaVie
Sativa
16.56% $12.84/g
1g 3.5g 7g
White Widow
7ACRES
Hybrid
16.52% $10.35/g
3.5g 7g
Blueberry Seagal
Color Cannabis
Indica
16.46% $10.19/g
3.5g
Island Honey
Pure Sunfarms
Sativa
16.44% $7.34/g
1g 3.5g 7g
City Lights
Edison
Indica
16.38% $5.70/g
1g 3.5g 7g 15g
Lemon Skunk
DNA Genetics
Hybrid
16.2% $11.99/g
1g 15g 3.5g 7g
Lagoon
Hexo
Indica
16.19% $5.41/g
3.5g 15g
Helios
Hexo
Sativa
15.87% $5.41/g
3.5g 15g
Casablanca
Edison
Indica
15.68% $5.70/g
1g 3.5g 7g 15g
Sensi Star
Namaste
Indica
14.82% $8.27/g
1g 3.5g
Sensi Star
Namaste
Indica
14.82% $8.27/g
1g 3.5g
Serratus
Tantalus Labs
Indica
14.59% $6.84/g
3.5g
Blue Dream
Tantalus Labs
Sativa
14.43% $9.13/g
3.5g 15g
Tangerine Dream
San Rafael '71
Sativa
14.13% $11.84/g
1g 3.5g 7g
The Batch
The Batch
Blend
14.11% $6.36/g
3.5g 7g
Glow Hybrid Bud
Trailblazer
Hybrid
12.4% $5.59/g
3.5g

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.