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
25.93% $13.41/g
3.5g
Sage & Sour
MTL
Sativa
25.09% $10.13/g
3.5g
Cherry Punch
BLKMKT
Indica
24.84% $15.70/g
3.5g 7g
Indica
Houseplant
Indica
24.68% $11.41/g
3.5g 7g
MAC 1
Citizen Stash
Hybrid
24.68% $17.13/g
3.5g
Kalifornia 3.5g
Kolab Project
Indica
24.67% $11.41/g
3.5g
Bubba Kush
Whistler Cannabis Co
Indica
24.45% $19.99/g
3.5g
Nova Glue
Msiku
Hybrid
24.3% $13.41/g
3.5g
Craft Collective : Ice Cream Cake
7ACRES
Indica
23.95% $14.27/g
3.5g
Bubba Kush
Whistler Cannabis Co
Indica
23.84% $19.99/g
3.5g
Secret
TRURO
Indica
23.58% $14.27/g
3.5g
High Seas
Reef
Sativa
23.56% $14.27/g
3.5g
Blue Nova
Sundial
Sativa
23.27% $7.57/g
3.5g
Pink Kush
Canna Farms
Indica
23.21% $14.27/g
3.5g
Limelight
Edison
Sativa
23.02% $9.29/g
3.5g 1g 7g
BC Pink Kush
Flowr
Indica
22.99% $12.42/g
3.5g 7g
Green Crush
48N
Sativa
22.97% $9.70/g
3.5g
WEDDING CAKE
WINK
Indica
22.73% $12.43/g
3.5g
Big Larry
TRURO
Indica
22.7% $14.27/g
3.5g
Reflect Reserve
Cove
Hybrid
22.68% $10.27/g
3.5g 7g
Wappa
Redecan
Indica
22.41% $7.91/g
1g 3.5g 7g 15g
Glueberry OG
Muskoka Grown
Hybrid
22.27% $9.41/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
Bubba
Top Leaf
Indica
21.7% $13.61/g
3.5g
Raider Kush
RIFF
Indica
21.65% $8.76/g
1g 3.5g 7g
Cold Creek Kush
Vertical
Indica
21.63% $9.99/g
1g 3.5g 7g
Sensi Star
Spinach
Indica
21.63% $8.27/g
3.5g 7g
Subway Scientist
RIFF
Indica
21.5% $8.56/g
1g 3.5g 7g
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
Sky Pilot
Tantalus Labs
Indica
21.27% $10.43/g
3.5g 15g
Starwalker Kush
Good Supply
Indica
21.22% $5.26/g
3.5g 15g 28g
Watermelon Zktlz
Tenzo
Hybrid
21.19% $11.42/g
3.5g 7g
Ruxton
Broken Coast
Hybrid
21.17% $13.71/g
1g 3.5g 7g
Diesel
Spinach
Hybrid
21.04% $8.27/g
3.5g 7g
The General
Edison
Sativa
21.03% $7.70/g
3.5g
Outlaw
Redecan
Sativa
21.02% $5.99/g
1g 3.5g 7g 15g
Sensi Star
7ACRES
Indica
21% $8.76/g
3.5g 7g
Delahaze
San Rafael '71
Sativa
20.79% $11.41/g
1g 3.5g 15g 7g
Cold Creek Kush
Redecan
Sativa
20.65% $5.99/g
1g 3.5g 7g 15g
Cherry Bomb
Jonny Chronic
Sativa
20.54% $12.27/g
3.5g
DT81
RIFF
Sativa
20.53% $8.76/g
1g 3.5g 7g
Rockstar Kush
Spinach
Indica
20.51% $7.69/g
3.5g 7g
Sense
Solei
Hybrid
20.5% $7.04/g
1g 3.5g 7g
Pink Kush
Pure Sunfarms
Indica
20.5% $5.51/g
1g 3.5g 7g 14g 28g
Jack Haze
7ACRES
Sativa
20.44% $8.76/g
3.5g 7g 15g
MK Ultra
Aurora
Indica
20.26% $7.96/g
1g 3.5g 7g 15g
Alien Dawg
Canaca
Indica
20.23% $7.57/g
3.5g
Ultra Sour
Namaste
Sativa
20.23% $9.29/g
1g 3.5g
Rise Reserve
Cove
Sativa
20.19% $10.27/g
3.5g 7g
Houndstooth
Tweed
Sativa
20.18% $9.00/g
1g 15g 3.5g 7g
Renew
Solei
Indica
20.06% $7.04/g
1g 3.5g 7g
Hawaii Heartbreak
RIFF
Indica
19.93% $8.89/g
1g 3.5g 7g
Indica
Twd
Indica
19.78% $5.71/g
15g 3.5g 7g
Wedding Crasher
Tenzo
Indica
19.74% $12.84/g
7g 3.5g
Slurricane
Edison Cannabis Co
Indica
19.73% $7.70/g
3.5g
Ghost train haze
Color Cannabis
Sativa
19.6% $6.60/g
3.5g 15g
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
God Bud
Redecan
Hybrid
19.32% $5.99/g
1g 3.5g 7g 15g
White Widow
Spinach
Hybrid
19.31% $8.27/g
3.5g 7g
White Out
Delta 9
Indica
19.25% $6.84/g
3.5g
Grapefruit GG1
Emerald
Hybrid
19.24% $8.56/g
3.5g
Strawberry Fire OG
Gage Cannabis Co
Indica
19.19% $10.81/g
3.5g 7g
Chocolate Fondue
DNA Genetics
Sativa
19.11% $11.41/g
1g 15g 3.5g 7g
Headband
Pure Sunfarms
Hybrid
19.08% $6.56/g
1g 3.5g 7g
Saturna
Broken Coast
Hybrid
18.87% $13.71/g
3.5g
Monkey Glue
Good Supply
Hybrid
18.84% $5.75/g
3.5g 28g 15g
Nuken
Palmetto
Indica
18.82% $6.56/g
3.5g
Savary
Broken Coast
Indica
18.7% $13.71/g
3.5g
Gather
Solei
Sativa
18.67% $7.57/g
1g 3.5g 7g
D. Bubba
Pure Sunfarms
Indica
18.62% $5.51/g
1g 3.5g 7g 14g
Rotterdam Indica
Highly Dutch Organic
Indica
18.32% $8.56/g
15g 28g 3.5g
Daily Special Sativa
Aurora
Sativa
18.22% $4.46/g
3.5g 7g 15g 28g
Pedro's Sweet Sativa
Color Cannabis
Sativa
18.17% $6.60/g
3.5g 15g
Rio Bravo
Edison
Sativa
18.16% $7.70/g
1g 3.5g 7g 15g
Indica
Grasslands
Indica
18.1% $3.57/g
7g 15g 28g
Afghan Kush
Pure Sunfarms
Indica
18.01% $5.51/g
1g 3.5g 7g 14g
Jean Guy
7ACRES
Hybrid
17.98% $8.76/g
3.5g 7g
Grower's Choice Sativa
Good Supply
Sativa
17.97% $5.00/g
3.5g 15g 28g
La Strada
Edison
Sativa
17.78% $7.70/g
1g 3.5g 7g 15g
Ghost Train Haze
Aurora
Sativa
17.76% $8.56/g
1g 3.5g 7g 15g
Quadra
Broken Coast
Indica
17.75% $13.71/g
1g 3.5g 7g
Charlees
Redecan
Indica
17.73% $5.99/g
1g 3.5g 7g 15g
Gabriola
Broken Coast
Indica
17.7% $13.71/g
3.5g
Wappa
Stash City
Indica
17.62% $5.00/g
28g
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
Daily Special Indica
Aurora
Indica
17.49% $4.46/g
3.5g 7g 15g 28g
White Widow
7ACRES
Hybrid
17.45% $8.76/g
3.5g 7g
Pedro's Sweet Sativa
Color Cannabis
Sativa
17.4% $7.86/g
3.5g
Lola Montes
Edison
Indica
17.34% $7.70/g
1g 3.5g 7g 15g
RC Royal Goddess
Royal City Cannabis Co.
Indica
17.27% $9.41/g
3.5g
Wappa
Namaste
Indica
17.23% $7.57/g
1g 3.5g
Spark Buds
Trailblazer
Sativa
17.21% $5.00/g
3.5g 7g 15g
Sativa
Twd
Sativa
17.14% $5.71/g
15g 3.5g 7g
Black
Fireside
Hybrid
16.85% $12.50/g
1g 3.5g
Flicker Buds
Trailblazer
Indica
16.64% $5.00/g
3.5g 7g 15g
Island Honey
Pure Sunfarms
Sativa
16.59% $6.10/g
1g 3.5g 7g
Pink Grapefruit Haze
Synr.g
Sativa
16.29% $9.13/g
3.5g
Indica Blend
Pure Sunfarms.
Indica
16.22% $4.20/g
28g
Lemon Skunk
DNA Genetics
Hybrid
16.2% $11.41/g
1g 15g 3.5g 7g
Indica!
B!NGO
Indica
16.04% $4.18/g
15g 28g
Sativa!
B!NGO
Sativa
15.84% $4.18/g
15g 28g
Tangerine Dream
San Rafael '71
Sativa
13.6% $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.