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
White Wedding
Msiku
Hybrid
26.48% $13.41/g
3.5g
Indica
Houseplant
Indica
24.85% $11.94/g
3.5g 7g
Bubba Kush
Whistler Cannabis Co
Indica
23.84% $21.99/g
3.5g
OS.Reserve
Original Stash
Indica
23.77% $8.49/g
14g 7g 28g
Glueberry OG
Muskoka Grown
Hybrid
23.46% $12.84/g
3.5g
Headband
Grail
Sativa
23.45% $13.71/g
3.5g
Limelight
Edison
Sativa
23.28% $9.29/g
3.5g 1g 7g
Pink Kush
Canna Farms
Indica
22.97% $14.27/g
3.5g
BC Pink Kush
Flowr
Indica
22.93% $14.27/g
3.5g 7g
Reflect Reserve
Cove
Hybrid
22.68% $9.56/g
3.5g 7g
Wappa
Redecan
Indica
22.5% $7.91/g
1g 3.5g 7g 15g
Rockstar
Grail
Indica
22.43% $13.71/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
Raider Kush
RIFF
Indica
21.83% $8.76/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
Indica
21.3% $11.63/g
3.5g 7g
Tsunami
Hexo
Indica
21.27% $6.50/g
3.5g 15g 30g
Cold Creek Kush
Redecan
Hybrid
21.26% $5.99/g
1g 3.5g 7g 15g
Ruxton
Broken Coast
Hybrid
21.26% $13.71/g
1g 3.5g 7g
Jean Guy
Good Supply
Sativa
21.23% $5.75/g
1g 3.5g 7g 28g 15g
Subway Scientist
RIFF
Indica
21.02% $7.96/g
1g 3.5g 7g
Go
Tokyo Smoke
Sativa
20.82% $9.02/g
1g 3.5g 7g
Delahaze
San Rafael '71
Sativa
20.82% $11.01/g
1g 3.5g 7g 15g
Sensi Star
7ACRES
Indica
20.76% $8.76/g
3.5g 7g
Renew
Solei
Indica
20.64% $7.04/g
1g 3.5g 7g
Rockstar Kush
Spinach
Indica
20.64% $8.27/g
3.5g 7g
Sense
Solei
Hybrid
20.63% $7.57/g
1g 3.5g 7g
Ultra Sour
Namaste
Sativa
20.58% $9.29/g
1g 3.5g
DT81
RIFF
Sativa
20.53% $8.76/g
1g 3.5g 7g
Jack Haze
7ACRES
Sativa
20.2% $8.76/g
3.5g 7g 15g
MK Ultra
Aurora
Indica
20.19% $7.96/g
1g 3.5g 7g 15g
Houndstooth
Tweed
Sativa
20.18% $8.56/g
1g 15g 3.5g 7g
Hawaii Heartbreak
RIFF
Indica
20.15% $8.89/g
1g 3.5g 7g
Blue Ninety Eight
RIFF
Indica
20.1% $9.56/g
3.5g
Rise Reserve
Cove
Sativa
20.02% $10.27/g
3.5g 7g
Alien Dawg
Canaca
Indica
20% $9.41/g
3.5g
Ghost Train Haze
Color Cannabis
Sativa
19.97% $10.19/g
3.5g
D Bubba
Namaste
Indica
19.92% $9.29/g
1g 3.5g
Indica
Twd
Indica
19.78% $5.71/g
15g 3.5g 7g
God Bud
Redecan
Hybrid
19.66% $7.13/g
1g 3.5g 7g 15g
Pink Kush
San Rafael '71
Indica
19.64% $11.01/g
1g 3.5g 7g 15g
Denman
Broken Coast
Sativa
19.61% $13.71/g
3.5g
Mango
Canaca
Indica
19.6% $9.41/g
3.5g
Unite Organic
The Green Organic Dutchman
Indica
19.24% $12.27/g
3.5g 7g 1g
Josh D OG
Gage Cannabis Co.
Indica
19.11% $11.63/g
1g 3.5g 7g
Chocolate Fondue
DNA Genetics
Sativa
19.11% $12.60/g
15g 3.5g 7g 1g
Atlantis
Hexo
Sativa
19.09% $6.27/g
3.5g 15g
Monkey Glue
Good Supply
Hybrid
18.98% $5.75/g
28g 3.5g 15g
White Widow
Spinach
Hybrid
18.85% $8.27/g
3.5g 7g
Two-Tone Ban
RIFF
Hybrid
18.78% $9.56/g
3.5g
Gather
Solei
Sativa
18.67% $7.04/g
1g 3.5g 7g
White Rhino
Pure Sunfarms
Indica
18.64% $6.10/g
1g 3.5g 7g
Pedro's Sweet Sativa
Color Cannabis
Sativa
18.61% $10.19/g
3.5g
Blue Dream
Aurora
Sativa
18.36% $8.27/g
1g 3.5g 7g
Saturna
Broken Coast
Hybrid
18.32% $13.71/g
3.5g
Daily Special Sativa
Aurora
Sativa
18.27% $4.46/g
3.5g 7g 15g 28g
Galiano
Broken Coast
Sativa
18.21% $13.71/g
1g 3.5g 7g
No. 17 Craft
FIGR
Indica
18.12% $9.90/g
3.5g 1g
El Dorado
Edison
Indica
18.03% $5.70/g
1g 7g 3.5g
Charlees
Redecan
Indica
18.01% $5.99/g
1g 3.5g 7g 15g
Jean Guy
7ACRES
Hybrid
18.01% $8.76/g
3.5g 7g
Blue Dream
Canna Farms
Sativa
18% $14.27/g
3.5g
Rio Bravo
Edison
Sativa
17.95% $9.02/g
1g 3.5g 7g 15g
OS.220
Original Stash
Indica
17.95% $4.29/g
28g
Sweet Jersey 3
RIFF
Sativa
17.87% $9.56/g
3.5g
Afghan Kush
Pure Sunfarms
Indica
17.81% $6.10/g
1g 3.5g 7g
La Strada
Edison
Sativa
17.62% $7.16/g
1g 3.5g 7g 15g
Quadra
Broken Coast
Indica
17.58% $13.71/g
1g 3.5g 7g
Orange CKS
Gage Cannabis Co.
Sativa
17.57% $11.63/g
1g 3.5g 7g
Daily Special Indica
Aurora
Indica
17.49% $4.46/g
3.5g 7g 15g 28g
Grower's Choice Sativa
Good Supply
Sativa
17.4% $5.26/g
3.5g 15g 28g
Lola Montes
Edison
Indica
17.34% $7.16/g
1g 3.5g 7g 15g
Gabriola
Broken Coast
Indica
17.16% $13.71/g
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% $10.19/g
3.5g
Unplug
Solei
Hybrid
16.99% $7.57/g
1g 3.5g 7g
Lagoon
Hexo
Indica
16.95% $5.41/g
3.5g 15g
Blueberry Seagal
Color Cannabis
Indica
16.92% $10.19/g
3.5g
Black
Fireside
Hybrid
16.85% $12.50/g
1g 3.5g
Island Sweet Skunk
San Rafael '71
Hybrid
16.76% $11.41/g
1g 3.5g 7g
Wappa
Namaste
Indica
16.68% $7.57/g
1g 3.5g
Island Honey
Pure Sunfarms
Sativa
16.59% $6.10/g
1g 3.5g 7g
Cabaret
AltaVie
Sativa
16.56% $12.84/g
1g 3.5g 7g
Flicker Buds
Trailblazer
Indica
16.45% $5.00/g
3.5g 7g 15g
OS.130
HEXO
Sativa
16.43% $4.29/g
28g
White Widow
7ACRES
Hybrid
16.29% $8.76/g
3.5g 7g
Lemon Skunk
DNA Genetics
Hybrid
16.2% $11.14/g
1g 15g 3.5g 7g
Indica Blend
Pure Sunfarms
Indica
15.21% $4.20/g
28g
Sensi Star
Namaste
Indica
14.82% $7.57/g
1g 3.5g
Sensi Star
Namaste
Indica
14.82% $7.57/g
1g 3.5g
Serratus
Tantalus Labs
Indica
14.49% $6.84/g
3.5g
The Batch
The Batch
Blend
14.11% $6.36/g
3.5g 7g
Tangerine Dream
San Rafael '71
Sativa
13.96% $11.01/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.