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.