Buy High THC Cannabis Seeds | Growers Choice Seeds

Looking for a seriously strong buzz? High THC seeds are all about next-level potency, with genetics bred to pack a punch and deliver that intense, euphoric high everyone talks about. These strains usually test at 20% THC or even higher, so if you’re after powerful effects—whether you want to chill hard, get creative, or just vibe with friends—these seeds are the way to go.

High THC seeds give you the kind of buds that hit fast and last, making them super popular for both recreational and medical growers. You’ll find everything from classic heavy-hitters to new dessert-flavored strains, all bred to grow sticky, resin-packed nugs that don’t mess around. If you’re ready to take your grow to the next level and want the strongest results possible, check out our lineup of high THC seeds and get growing.

Showing all 34

Recently Added
THC 27%
indica
intermediate

Add

Dante’s Inferno
0
0
(0)
$52
Recently Added
THC 37%
indica
intermediate

Add

Cadillac Rainbow
0
0
(0)
$48
Recently Added
THC 35%
indica
beginner

Add

Glitter Bomb
0
0
(0)
$46
Recently Added
THC 25%
indica
beginner

Add

Blue Lobster
0
0
(0)
$48
Recently Added
THC 30%
indica
intermediate

Add

Permanent Marker
0
0
(0)
$47
Recently Added
THC 25%
indica
intermediate

Add

Sirius Black
0
0
(0)
$45
Recently Added
THC 32%
indica
intermediate

Add

The Toad
0
0
(0)
$49
Recently Added
THC 27%
balanced hybrid
intermediate

Add

Cap Junky
4.7
4.7
(9)
$46
Recently Added
THC 27%
balanced hybrid
intermediate

Add

Gello Shotz
4.8
4.8
(22)
$48
Recently Added
THC 22%
sativa
intermediate
16% off

Add

Jack Herer
4.8
4.8
(148)
Now$39.10~~$46~~
You save $6.90
THC 27%
sativa
easy

Add

Timewreck
4.7
4.7
(25)
$52
THC 17%
sativa
easy

Add

Bubble Gum Auto
4.8
4.8
(142)
$46
THC 20%
sativa
easy

Add

Haze XL Auto
4.8
4.8
(151)
$51
THC 10%
indica
easy
19% off

Add

CBD Shark
4.8
4.8
(114)
Now$36.08~~$44~~
You save $7.92
THC 20%
indica
easy
25% off

Add

Skunk Kush
4.8
4.8
(134)
Now$38.25~~$51~~
You save $12.75
THC 21%
indica
easy

Add

Candy Kush Auto
4.8
4.8
(153)
$46
THC 18%
indica
easy

Add

Hindu Kush Auto
4.8
4.8
(158)
$50
THC 26%
indica
easy

Add

Sour Kush Auto
4.8
4.8
(156)
$50
THC 24%
indica
master

Add

Blueberry Kush Seeds
4.8
4.8
(140)
$44
THC 26%
indica
easy

cannabis cup winner

Add

Gorilla Glue (GG1) Auto
4.8
4.8
(233)
$51
THC 22%
indica
intermediate
25% off

Add

Purple Kush
4.8
4.8
(143)
Now$33.75~~$45~~
You save $11.25
THC 7%
indica
easy
10% off

Add

CBD Critical Mass
4.8
4.8
(152)
Now$45~~$50~~
You save $5.00
THC 23%
sativa
master
21% off

Add

American Haze
4.8
4.8
(140)
Now$40.80~~$51~~
You save $10.20
THC 25%
sativa
easy

Add

Tangerine Dream Auto
4.7
4.7
(218)
$50
THC 18%
indica
easy
20% off

Add

Critical Purple Auto
4.7
4.7
(291)
Now$39.20~~$49~~
You save $9.80
THC 16%
indica
easy
20% off

Add

Blueberry Auto
4.8
4.8
(166)
Now$40~~$50~~
You save $10.00
THC 7%
indica
intermediate
16% off

Add

CBD Blueberry
4.7
4.7
(154)
Now$42.50~~$50~~
You save $7.50
THC 19%
sativa
easy

Add

AK Auto Seeds
4.7
4.7
(160)
$46
THC 20%
sativa
intermediate
11% off

Add

Power Plant
4.6
4.6
(157)
Now$42.30~~$47~~
You save $4.70
THC 25%
indica
easy

Add

White Widow Seeds
4.7
4.7
(183)
$51
THC 23%
sativa
intermediate
19% off

Add

OG Kush
4.7
4.7
(167)
Now$37.72~~$46~~
You save $8.28
THC 19%
indica
easy
12% off

Add

Great White Shark
4.7
4.7
(157)
Now$39.60~~$45~~
You save $5.40
THC 21%
indica
easy
25% off

Add

Afghan Auto
4.8
4.8
(170)
Now$34.50~~$46~~
You save $11.50
THC 20%
sativa
intermediate
16% off

Add

Amnesia
4.8
4.8
(152)
Now$43.35~~$51~~
You save $7.65

Showing all 34

What Makes a Cannabis Strain "High THC"?

So, what actually makes a strain “high THC”? It’s all about the percentage of THC—the stuff in weed that gets you high. Most regular strains have around 10-15% THC, but high THC strains usually start at 20% and can even go way higher. These strains are bred to have more of the THC chemical in their buds, which means stronger effects when you smoke or vape them.

Basically, if you want weed that hits harder and gives you that intense, heady feeling, you’re looking for high THC seeds. It’s the difference between a chill buzz and a full-on, mind-blowing experience.

What Are The Most Popular High THC Strains?

If you’re hunting for the strongest weed out there, a few high THC strains always come up in conversation. These are the ones everyone’s talking about for their crazy potency and legendary highs:

Godfather OG: This one’s a total beast. People call it the “Don” of all OGs, and it’s hit THC levels up to 34%. It’s super popular for its heavy, relaxing effects that can leave you feeling totally chill.
Gorilla Glue #4 (GG4): GG4 is famous for its sticky buds and strong, couch-lock kind of high. THC usually lands between 25% and 32%, so you know you’re in for a wild ride.
Bruce Banner: Named after the Hulk for a reason, Bruce Banner packs a punch with THC levels in the upper 20s. It’s got a strong, uplifting high that can hit you fast.
Strawberry Banana: This one’s known for its sweet, fruity flavor and THC up to 26%. It’s a go-to for a happy, mellow vibe.
Girl Scout Cookies (GSC): GSC is a classic, with THC sometimes pushing past 28%. It’s super popular for that mix of euphoria and chill.
Do-Si-Dos: This strain is all about strong, relaxing effects and can hit THC levels up to 30%. It’s a favorite for winding down after a long day.
Zkittlez: If you want something that tastes awesome and hits hard, Zkittlez is a solid pick. THC usually falls between 20% and 25%, and it’s super easy to grow at home.

These strains are all about high THC seeds and are super popular with both new and experienced growers who want the most potent buds possible. If you’re after a strong high and some legendary genetics, you can’t go wrong with any of these.