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
First Class Funk
Ghost Drops
Hybrid
30.55% $15.70/g Check Retail Prices
3.5g 14g
Slurricane
Kolab Project
Indica
29.25% $11.41/g Check Retail Prices
3.5g
Wedding Mint
TRURO
Indica
28.32% $12.84/g Check Retail Prices
3.5g
Stuffed French Toast
Qwest
Hybrid
28.15% $12.84/g Check Retail Prices
3.5g
LA Kush Cake
Top Leaf
Indica
27.15% $13.61/g Check Retail Prices
3.5g
White Lightning
Highland Grow
Indica
26.91% $14.27/g Check Retail Prices
3.5g
True OG
TRURO
Indica
26.86% $12.84/g Check Retail Prices
3.5g
Cocoa Bomba
Spinach
Hybrid
26.8% $9.13/g Check Retail Prices
3.5g
BC Zaza
Burb
Hybrid
26.79% $11.99/g Check Retail Prices
3.5g
Sunset MAC
Qwest Reserve
Hybrid
26.36% $7.85/g Check Retail Prices
3.5g
Florida Citrus Kush
Mood Ring
Indica
26.11% $11.41/g Check Retail Prices
3.5g
Drew's Pheno
Carmel
Indica
25.92% $13.99/g Check Retail Prices
3.5g
Exotic Gas
The Loud Plug
Hybrid
25.87% $9.99/g Check Retail Prices
3.5g
Cuban Linx
Tribal
Sativa
25.82% $8.56/g Check Retail Prices
3.5g
White Wedding
Msiku
Hybrid
25.76% $11.41/g Check Retail Prices
3.5g
Gelato 33
LOT420
Indica
25.71% $14.27/g Check Retail Prices
3.5g
Z-Splitter
Ghost Drops
Hybrid
25.64% $15.70/g Check Retail Prices
3.5g
Animal Face
Carmel
Sativa
25.56% $13.86/g Check Retail Prices
3.5g 14g
Wedding Cake
Spinach
Hybrid
25.43% $5.18/g Check Retail Prices
3.5g 28g
Organic Sugar Bush
The Green Organic Dutchman
Sativa
25.28% $10.84/g Check Retail Prices
3.5g
Afghani Drifter
Greybeard
Hybrid
25.22% $13.13/g Check Retail Prices
7g 3.5g
Sensi Wizard
Highland Grow
Sativa
25.06% $14.27/g Check Retail Prices
3.5g
Gorilla Berry
GreenSeal
Indica
24.92% $8.21/g Check Retail Prices
3.5g 14g
PINK DIAMONDS
CALI
Hybrid
24.88% $10.84/g Check Retail Prices
3.5g
Driftwood Diesel
San Rafael '71
Indica
24.81% $9.99/g Check Retail Prices
3.5g
Atomic Sour Grapefruit
Spinach
Indica
24.73% $9.13/g Check Retail Prices
3.5g
Cherry Punch
BLK MKT
Indica
24.7% $13.99/g Check Retail Prices
3.5g 7g
Kalifornia
Kolab Project
Indica
24.7% $8.57/g Check Retail Prices
3.5g 14g
MAC 1
Citizen Stash
Hybrid
24.68% $10.56/g Check Retail Prices
3.5g
The Soap
Minntz
Hybrid
24.64% $17.13/g Check Retail Prices
3.5g
Jet Fuel Gelato
Pure Sunfarms
Hybrid
24.34% $5.00/g Check Retail Prices
3.5g 28g
91k
Doja
Indica
24.18% $8.35/g Check Retail Prices
3.5g 14g
Nova Glue
Msiku
Hybrid
24.12% $11.41/g Check Retail Prices
3.5g
Blue Lime Pie
WAGNERS
Indica
23.9% $9.13/g Check Retail Prices
3.5g
Cherry Jam
WAGNERS
Hybrid
23.85% $7.14/g Check Retail Prices
3.5g 14g
OS.Reserve
Original Stash
Indica
23.77% $5.00/g Check Retail Prices
14g 28g 7g
Amnesia Haze
Broken Coast
Sativa
23.63% $13.71/g Check Retail Prices
3.5g
LA Kush Cake
Natural History
Indica
23.32% $11.41/g Check Retail Prices
3.5g
Early Lemon Berry
Nugz
Sativa
23.26% $7.99/g Check Retail Prices
3.5g
Wedding Pie
Back Forty
Indica
23.12% $5.00/g Check Retail Prices
28g
Pink Bubba
WAGNERS
Indica
22.92% $9.13/g Check Retail Prices
3.5g
BC Pink Kush
Flowr
Indica
22.86% $10.56/g Check Retail Prices
3.5g 7g
Blue Nova
Sundial
Sativa
22.86% $8.27/g Check Retail Prices
3.5g
Green Crush
48North
Sativa
22.81% $8.56/g Check Retail Prices
3.5g
Peggy's Pride
Msiku
Sativa
22.78% $10.56/g Check Retail Prices
3.5g
Acapulco Gold
Jonny Chronic
Sativa
22.73% $12.84/g Check Retail Prices
3.5g
Lemon Z
OGEN
Sativa
22.72% $11.41/g Check Retail Prices
3.5g 28g
Tangerine Twist
Spinach
Sativa
22.7% $5.18/g Check Retail Prices
28g
Gelato Mint
Tribal
Indica
22.42% $8.56/g Check Retail Prices
3.5g
Wappa
Redecan
Indica
22.3% $5.66/g Check Retail Prices
1g 3.5g 7g 15g
Dim MAC
Carmel
Indica
22.06% $9.57/g Check Retail Prices
3.5g
Cold Creek Kush
Vertical
Indica
21.63% $8.27/g Check Retail Prices
1g 3.5g 7g
Sensi Star
Spinach
Indica
21.63% $7.69/g Check Retail Prices
3.5g 7g
Jean Guy
Good Supply
Sativa
21.61% $4.60/g Check Retail Prices
1g 3.5g 7g 28g 15g
Kush Mints
Broken Coast
Hybrid
21.6% $11.41/g Check Retail Prices
3.5g
Organic Fire
The Green Organic Dutchman
Indica
21.59% $9.99/g Check Retail Prices
3.5g
Tsunami
Hexo
Indica
21.53% $5.67/g Check Retail Prices
3.5g 30g
Mango
Canaca
Indica
21.39% $7.57/g Check Retail Prices
7g 3.5g
Ultra Sour
Big Bag O Buds
Sativa
21.36% $5.14/g Check Retail Prices
28g
BC Organic Blue Dream
Simply Bare
Sativa
21.29% $12.14/g Check Retail Prices
3.5g 7g
OS.Reserve Indica
Original Stash
Indica
21.27% $6.14/g Check Retail Prices
14g 7g
Craft Golden Berry
Mood Ring
Indica
21.27% $9.41/g Check Retail Prices
3.5g
Ruxton
Broken Coast
Hybrid
21.26% $13.71/g Check Retail Prices
3.5g
Wappa 49
7ACRES
Indica
21.18% $9.41/g Check Retail Prices
3.5g
Fruit Pie
Muskoka Grown
Indica
21.18% $8.56/g Check Retail Prices
3.5g
Grower's Choice Indica
Good Supply
Indica
21.18% $3.57/g Check Retail Prices
3.5g 15g 28g
Pink Kush
Pure Sunfarms
Indica
21.13% $5.00/g Check Retail Prices
3.5g 7g 14g 28g
Diesel
Spinach
Hybrid
21.11% $7.69/g Check Retail Prices
3.5g 7g
Blueberry
Spinach
Hybrid
21.09% $7.69/g Check Retail Prices
3.5g 7g
Sensi Star
7ACRES
Indica
21.08% $8.76/g Check Retail Prices
3.5g 7g
Blue Dream
Spinach
Sativa
21.05% $8.27/g Check Retail Prices
3.5g
Outlaw
Redecan
Sativa
21% $5.66/g Check Retail Prices
1g 3.5g 7g 15g
Funk Master
SHRED
Hybrid
20.92% $4.56/g Check Retail Prices
7g
Dank Rainbow
BOAZ
Indica
20.85% $11.41/g Check Retail Prices
3.5g
Rockstar Kush
Spinach
Indica
20.62% $7.69/g Check Retail Prices
3.5g 7g
Starwalker Kush
Good Supply
Indica
20.6% $4.60/g Check Retail Prices
3.5g 15g 28g
Alien Dawg
CANACA
Indica
20.54% $7.57/g Check Retail Prices
3.5g
Black Cherry Punch
Edison Cannabis Co
Indica
20.52% $8.00/g Check Retail Prices
3.5g 1g 14g
Apple Fritter
Delta 9
Hybrid
20.52% $6.71/g Check Retail Prices
3.5g
Cold Creek Kush
Redecan
Sativa
20.47% $5.36/g Check Retail Prices
1g 3.5g 7g 15g 28g
Indica
TWD
Indica
20.46% $4.99/g Check Retail Prices
15g 3.5g 7g
Rotterdam Indica
Highly Dutch Organic
Indica
20.42% $8.56/g Check Retail Prices
15g 28g 3.5g
Cherry Bomb
Jonny Chronic
Sativa
20.39% $12.27/g Check Retail Prices
3.5g
Indica
Papa's Herb
Indica
20.37% $6.84/g Check Retail Prices
3.5g
Gnarberry
SHRED
Hybrid
20.21% $4.56/g Check Retail Prices
7g
Ultra Sour
Namaste
Sativa
20.2% $6.84/g Check Retail Prices
1g 3.5g
Tangie Green
Good Supply
Hybrid
20.08% $5.13/g Check Retail Prices
3.5g 28g
Ghost Train Haze
Color Cannabis
Sativa
20.01% $7.86/g Check Retail Prices
3.5g
Tropic Thunder
SHRED
Hybrid
19.76% $4.56/g Check Retail Prices
7g
Pink Kush
San Rafael '71
Indica
19.61% $9.41/g Check Retail Prices
1g 3.5g 15g 7g
THC Sativa
THC BioMed
Sativa
19.35% $5.00/g Check Retail Prices
1g 3.5g
White Widow
Spinach
Hybrid
19.31% $8.27/g Check Retail Prices
3.5g
Grapefruit GG1
Emerald
Hybrid
19.15% $8.56/g Check Retail Prices
3.5g
Sour Kush
Good Supply
Hybrid
19.08% $4.11/g Check Retail Prices
3.5g 15g 28g
Nuken
Palmetto
Indica
19.02% $7.57/g Check Retail Prices
3.5g
White Out
Delta 9
Sativa
18.99% $6.71/g Check Retail Prices
3.5g
Sativa
TWD
Sativa
18.96% $4.99/g Check Retail Prices
15g 3.5g 7g
Monkey Glue
Good Supply
Hybrid
18.95% $4.11/g Check Retail Prices
3.5g 28g 15g
D. Bubba
Pure Sunfarms
Indica
18.82% $5.51/g Check Retail Prices
3.5g 7g 14g
Pedro's Sweet Sativa
Color Cannabis
Sativa
18.62% $7.86/g Check Retail Prices
3.5g
Galiano
Broken Coast
Sativa
18.48% $11.41/g Check Retail Prices
3.5g
Headband
Pure Sunfarms
Hybrid
18.47% $6.56/g Check Retail Prices
3.5g 7g
Daily Special Sativa
Daily Special
Sativa
18.34% $4.99/g Check Retail Prices
3.5g 7g 15g 28g
Pedro's Sweet Sativa
Color Cannabis
Sativa
18.17% $6.60/g Check Retail Prices
3.5g 15g
Grower's Choice Sativa
Good Supply
Sativa
18.17% $3.57/g Check Retail Prices
3.5g 15g 28g
Indica
Grasslands
Indica
18.12% $3.57/g Check Retail Prices
7g 28g
Frost Monster (Gabriola)
Broken Coast
Indica
17.97% $11.41/g Check Retail Prices
3.5g
Sativa
Grasslands
Sativa
17.94% $3.57/g Check Retail Prices
7g 15g 28g
Daily Special Indica
Daily Special
Indica
17.74% $4.46/g Check Retail Prices
3.5g 7g 15g 28g
Charlees
Redecan
Indica
17.73% $7.50/g Check Retail Prices
1g 3.5g 7g 15g
White Shark
Color Cannabis
Sativa
17.08% $7.86/g Check Retail Prices
3.5g
Blueberry Seagal
Color Cannabis
Indica
16.72% $7.86/g Check Retail Prices
3.5g
Indica!
B!NGO
Indica
16.04% $4.18/g Check Retail Prices
15g 28g
Sativa!
B!NGO
Sativa
15.84% $4.18/g Check Retail Prices
15g 28g
Tangerine Dream
San Rafael '71
Sativa
13.64% $9.41/g Check Retail Prices
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.