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High THC Strains

120 of 399 strains in this category

$100 OG Seeds

$100 OG Seeds

CAD $34.57
13 Dawgs Seeds

13 Dawgs Seeds

CAD $34.67
24k Gold Auto Seeds

24k Gold Auto Seeds

CAD $32.73
3D CBD Seeds

3D CBD Seeds

CAD $34.01
501st OG Seeds

501st OG Seeds

CAD $34.36
707 Headband Seeds

707 Headband Seeds

CAD $33.54
9 Pound Hammer Auto

9 Pound Hammer Auto

CAD $52.52
Aberdeen Auto

Aberdeen Auto

CAD $34.22
Abusive OG Seeds

Abusive OG Seeds

CAD $32.97
Acapulco Gold Seeds

Acapulco Gold Seeds

CAD $41.99
ACDC CBD Seeds

ACDC CBD Seeds

CAD $49.99
Afghani Seeds

Afghani Seeds

CAD $49.99
Afwreck Seeds

Afwreck Seeds

CAD $33.42
AK-47 Seeds

AK-47 Seeds

CAD $49.12
AK-48 Auto

AK-48 Auto

CAD $34.04
Alaskan Thunder Fuck Seeds

Alaskan Thunder Fuck Seeds

CAD $37.99
Alice in Wonderland Seeds

Alice in Wonderland Seeds

CAD $34.48
Alien Kush Seeds

Alien Kush Seeds

CAD $32.99
Alien OG Seeds

Alien OG Seeds

CAD $34.63
Alien Rift Auto

Alien Rift Auto

CAD $33.92
Alien Technology Auto

Alien Technology Auto

CAD $33.75
Alpha Blue Seeds

Alpha Blue Seeds

CAD $33.13
Ambrosia Seeds

Ambrosia Seeds

CAD $33.17
American Kush Auto

American Kush Auto

CAD $34.16
Amethyst Seeds

Amethyst Seeds

CAD $33.86
Amherst Diesel Seeds

Amherst Diesel Seeds

CAD $37.99
Amnesia Seeds

Amnesia Seeds

CAD $24.17
Ancient Kush Seeds

Ancient Kush Seeds

CAD $34.27
Animal Face Seeds

Animal Face Seeds

CAD $33.68
Apples and Bananas Seeds

Apples and Bananas Seeds

CAD $33.60
Arctic Sun Seeds

Arctic Sun Seeds

CAD $34.08
Aspen OG Seeds

Aspen OG Seeds

CAD $27.10
Atomic Northern Lights Seeds

Atomic Northern Lights Seeds

CAD $25.73
Aurora Seeds

Aurora Seeds

CAD $34.75
Ayahuasca Purple Auto

Ayahuasca Purple Auto

CAD $32.98
Bakerstreet Auto

Bakerstreet Auto

CAD $32.94
Banana Candy Seeds

Banana Candy Seeds

CAD $33.58
Banana Kush Seeds

Banana Kush Seeds

CAD $33.83
Banana Mac Seeds

Banana Mac Seeds

CAD $33.98
Banana OG Seeds

Banana OG Seeds

CAD $34.53
Batman OG Seeds

Batman OG Seeds

CAD $33.74
Bay 11 Seeds

Bay 11 Seeds

CAD $34.31
BCN Diesel CBD Seeds

BCN Diesel CBD Seeds

CAD $33.27
Berry Noir Seeds

Berry Noir Seeds

CAD $25.77
Big Bud Auto

Big Bud Auto

CAD $33.26
Big Bud Seeds

Big Bud Seeds

CAD $54.21
Big Smooth Seeds

Big Smooth Seeds

CAD $33.11
Bio Diesel Seeds

Bio Diesel Seeds

CAD $32.99
Bio Jesus Seeds

Bio Jesus Seeds

CAD $33.45
Black Afghan Seeds

Black Afghan Seeds

CAD $40.99
Black Cherry Gelato Seeds

Black Cherry Gelato Seeds

CAD $33.68
Black Cherry Punch Seeds

Black Cherry Punch Seeds

CAD $33.23
Black Garlic Seeds

Black Garlic Seeds

CAD $34.14
Black Mamba Seeds

Black Mamba Seeds

CAD $34.59
Black Runtz Seeds

Black Runtz Seeds

CAD $33.79
Black Triangle Seeds

Black Triangle Seeds

CAD $34.04
Black Tuna Seeds

Black Tuna Seeds

CAD $49.99
Black Widow Seeds

Black Widow Seeds

CAD $33.45
Blackberry Cream Seeds

Blackberry Cream Seeds

CAD $34.73
Blackberry Hashplant Seeds

Blackberry Hashplant Seeds

CAD $33.41
Blackberry Kush Auto

Blackberry Kush Auto

CAD $34.00
Blackberry Rhino Seeds

Blackberry Rhino Seeds

CAD $34.20
Blackberry Seeds

Blackberry Seeds

CAD $34.22
Blackwater Seeds

Blackwater Seeds

CAD $33.49
Blob OG Seeds

Blob OG Seeds

CAD $33.68
Bloo's Kloos Auto

Bloo's Kloos Auto

CAD $33.49
Blue Afghani Seeds

Blue Afghani Seeds

CAD $33.55
Blue Blood Auto

Blue Blood Auto

CAD $24.12
Blue Crack Seeds

Blue Crack Seeds

CAD $32.78
Blue Dragon Seeds

Blue Dragon Seeds

CAD $33.76
Blue Dream Auto

Blue Dream Auto

CAD $47.91
Blue God Seeds

Blue God Seeds

CAD $34.45
Blue Gushers Seeds

Blue Gushers Seeds

CAD $33.45
Blue Knight Seeds

Blue Knight Seeds

CAD $32.92
Blue Kush Auto

Blue Kush Auto

CAD $34.25
Blue Kush Seeds

Blue Kush Seeds

CAD $34.58
Blue Lights Seeds

Blue Lights Seeds

CAD $33.62
Blue Mango Auto

Blue Mango Auto

CAD $33.91
Blue Monster Seeds

Blue Monster Seeds

CAD $27.80
Blue Mystic Auto

Blue Mystic Auto

CAD $34.10
Blue Waffles Seeds

Blue Waffles Seeds

CAD $33.87
Blue Zkittlez Seeds

Blue Zkittlez Seeds

CAD $33.34
Blue Zombie Auto

Blue Zombie Auto

CAD $33.39
Blueberry Cheesecake Seeds

Blueberry Cheesecake Seeds

CAD $34.61
Blueberry Headband Auto

Blueberry Headband Auto

CAD $34.45
Blueberry Headband Seeds

Blueberry Headband Seeds

CAD $34.77
Blueberry Space Cake Auto

Blueberry Space Cake Auto

CAD $33.18
Blueberry Sugar Seeds

Blueberry Sugar Seeds

CAD $34.04
Blueberry Yum Yum Seeds

Blueberry Yum Yum Seeds

CAD $49.99
Bluniverse Seeds

Bluniverse Seeds

CAD $33.81
Brooklyn Mango Seeds

Brooklyn Mango Seeds

CAD $33.60
Bruce Banner #3 Auto

Bruce Banner #3 Auto

CAD $34.12
Bubble Gum Seeds

Bubble Gum Seeds

CAD $33.86
Bubblegum Kush Seeds

Bubblegum Kush Seeds

CAD $34.67
Buckeye Purple Seeds

Buckeye Purple Seeds

CAD $33.26
Butterscotch Seeds

Butterscotch Seeds

CAD $32.87
California Orange Auto

California Orange Auto

CAD $50.20
Canna-Tsu Seeds

Canna-Tsu Seeds

CAD $33.43
Cannalope Haze Seeds

Cannalope Haze Seeds

CAD $32.76
Cannalope Kush Auto

Cannalope Kush Auto

CAD $32.84
Cannatonic Seeds

Cannatonic Seeds

CAD $46.73
Cap Junky Seeds

Cap Junky Seeds

CAD $34.10
Champagne Kush Seeds

Champagne Kush Seeds

CAD $33.24
Cheese Seeds

Cheese Seeds

CAD $33.08
Chem D.O.G. Seeds

Chem D.O.G. Seeds

CAD $32.83
Chem Scout Seeds

Chem Scout Seeds

CAD $34.40
Chemdawg 91 Seeds

Chemdawg 91 Seeds

CAD $49.99
Cherry Bomb Seeds

Cherry Bomb Seeds

CAD $33.68
Cherry Kush Auto

Cherry Kush Auto

CAD $34.45
Cherry OG Seeds

Cherry OG Seeds

CAD $34.34
Cherry Pie Seeds

Cherry Pie Seeds

CAD $49.99
Cinderella's Dream Seeds

Cinderella's Dream Seeds

CAD $33.07
Cinex Seeds

Cinex Seeds

CAD $27.22
Colorado Bubba Seeds

Colorado Bubba Seeds

CAD $32.82
Colorado Clementines Seeds

Colorado Clementines Seeds

CAD $34.02
Conspiracy Kush Seeds

Conspiracy Kush Seeds

CAD $33.15
Cookie Breath Seeds

Cookie Breath Seeds

CAD $33.43
Cookies and Cream Seeds

Cookies and Cream Seeds

CAD $33.35
Cowboy Kush Seeds

Cowboy Kush Seeds

CAD $32.98
Critical Jack Auto

Critical Jack Auto

CAD $34.25

What Are Considered High THC Strains

High THC strains are cultivars that pack a serious punch when it comes to potency. These are the ones known for delivering strong effects thanks to their higher levels of THC—usually 20% or more. Some even climb past 30% when grown right. You’ll find these heavy-hitters in everything from classic West Coast genetics to newer, turbo-charged hybrids. If you’re looking for a powerful experience, high THC seeds are where it’s at. They’re popular with folks who want something strong, flavorful, and hard-hitting, whether it’s for a chill night in or a next-level sesh with friends.

What Strain Has the Highest THC Levels?

The highest THC content strain that consistently tops charts is Godfather OG. Lab tests have shown it can hit up to 34% THC, sometimes even a little higher depending on how it’s grown and cured. It’s an indica-dominant cultivar known for its knockout strength and full-body effects. Close contenders include:
  • Bruce Banner – often tested between 27–30%
  • Strawberry Banana – known to reach around 31%
  • Grease Monkey – can push past 30% in ideal conditions
  • Girl Scout Cookies – stays strong in the high 20s but some phenos hit 30%+
THC levels can vary a bit depending on growing conditions, but if you're chasing the highest numbers out there, Godfather OG seeds are what most growers and breeders point to as the king.

The Most Popular High THC Strain Seeds We Sell

Looking for high THC seeds that actually deliver? These five cultivars are customer favorites for a reason—bold flavors, heavy effects, and solid grow potential.
  • Fat Banana This one’s loud. Fat Banana is fruity, funky, and straight-up powerful, with THC levels that can hit over 25%. It’s an indica-dominant cultivar that’s perfect for kicking back when you’ve got nothing on your schedule.
  • Critical Purple Auto Easy to grow and hits like a truck. Critical Purple Auto is a go-to for growers who want fast results and strong effects. Don’t let the autoflower tag fool you—this one’s all about potency and dense, resinous buds.
  • Bruce Banner Named after the Hulk for a reason. Bruce Banner is a balanced hybrid that leans heavy on the THC, often pushing 29–30%. It’s strong, uplifting, and surprisingly smooth, with a diesel-sweet kick that lingers.
  • Gorilla Glue Sticky, gassy, and relentless. Gorilla Glue has built a cult following for its knockout power and crazy trichome production. Expect high yields, high THC, and heavy couchlock vibes.
  • God’s Gift This indica is as strong as it is flavorful. With sweet berry notes and THC often over 25%, God’s Gift is a popular pick for evening use or days when you want to zone all the way out.
Each of these high THC cultivars brings something different to the table, but they all share one thing—serious strength.

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