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.