10 Highest THC Weed Strains To Try

A few decades ago, THC percentages used to top out at around the 10% mark.

However, it's now possible to find strains that contain a staggering 30% THC or greater.

These intensely potent varieties provide the most intense psychoactive effects possible from the cannabis plant.

In this article, we'll look at 10 of the strongest weed strains in the world.

1. Do-si-Dos - 30% THC

Do-si-Dos is an Indica-dominant powerhouse packing a hefty 30% THC punch, perfect for those chasing intense relaxation and a euphoric ride. With its mix of sweet, earthy, and peppery flavors, it’s like a sensory adventure in every puff.

This strain doesn’t just chill you out—it sweeps you off your feet and straight into bliss. So, if you're looking to unwind and kick back with a strain that knows how to deliver, Do-si-Dos is ready to take you there.

2. Ghost Train Haze - 30% THC

Ghost Train Haze is a Sativa-dominant rocket with an insane 30% THC that’ll send you on a ride of pure euphoria and focus. With its spicy, sweet, and woody flavor profile, this strain delivers an unforgettable experience in both taste and effect.

Known for its powerful, uplifting high, Ghost Train Haze is perfect when you want to get your creative juices flowing or just vibe out in an energized haze.

3. Godfather OG - 30% THC

Godfather OG is the boss of all strains, flexing a massive 30% THC that’s not here to mess around. This indica-dominant hybrid packs a powerful punch, delivering a knockout high that’s perfect for serious relaxation.

With its earthy, piney flavor, Godfather OG is a top pick for those who appreciate a rich, classic taste. If you're looking for a heavy-hitting strain that commands respect, Godfather OG is ready to make you an offer you can't refuse!

4. Hellfire OG - 30% THC

Hellfire OG lives up to its name, packing a fiery 30% THC that’ll ignite your senses and elevate your experience. With a perfect 50/50 balance of indica and sativa, this hybrid serves up the best of both worlds—expect bursts of creativity, focus, and euphoria, all wrapped in a layer of relaxation.

Its flavor is as intense as its effects, blending citrus, diesel, lemon, and pine for a bold, unforgettable taste. If you're ready to turn up the heat, Hellfire OG is here to deliver a dynamic ride!

5. Jealousy - 30% THC

Jealousy is an indica-dominant stunner with a knockout 30% THC that’ll leave you in a blissful, relaxed state. Born from the iconic pairing of Sunset Sherbet and Gelato, this strain brings a delicious mix of nutty, sweet cream, citrus, and kush flavors that’ll have you savoring every hit.

With its euphoric and happy effects, Jealousy is perfect for unwinding and getting into a creative groove. It’s the kind of strain that’ll definitely have others feeling green with envy!

6. Blackberry Moonrocks - 33% THC

Blackberry Moonrocks is an Indica-dominant heavyweight with a mind-blowing 33% THC that delivers a potent, relaxing experience. Its rich flavor profile is a burst of berries, blueberry, lavender, and a dash of citrus, making every puff a sweet treat.

Perfect for unwinding after a long day, this strain brings a wave of happiness and calm. If you’re after something that hits hard and tastes even better, Blackberry Moonrocks is a must-try!

7. Permanent Marker - 34% THC

With a THC level of 34%, the Permanent Marker strain, cultivated from our indica marijuana seeds, delivers potent psychoactive effects even seasoned smokers will feel.

Its indica-dominant genetics produce a fast and hard-hitting high combining deep physical relaxation with racing thoughts and flowing creativity. This expertly crafted blend was designed to induce a blissed-out couchlock experience.

Not for novice consumers, Permanent Marker should be approached cautiously by all but the most tolerant smokers.

8. Sleepy Joe OG - 34% THC

Bred from Obama Kush and Nova OG, Sleepy Joe OG has an extremely high 34% THC content that delivers powerful effects even seasoned users will feel.

Initially inducing euphoric laughter and good vibes, it quickly relaxes the entire body into a mega stoney state perfect for evening relaxation.

With its high THC levels, this top-shelf strain inspires creativity while inducing deep physical and mental effects for a blissful experience even for tolerant smokers.

9. Chiquita Banana - 34% THC

With up to 34% THC, Chiquita Banana delivers powerful psychoactive effects.

Just a few hits induce an initial euphoric positivity and creativity. This quickly gives way to deep relaxation as the entire body melts into the couch in a blissed-out state.

The expert cultivation achieves an extremely high THC content that makes this top-shelf strain too potent for novice smokers, but perfect for seasoned users seeking a recreational escape.

10. Fat Bastard - 38% THC

With an extremely high 38% THC level, the autoflowering Fat Bastard strain packs a powerful psychoactive punch.

Its genetics produce overwhelmingly potent effects that hit fast and hard, inducing a heavy body relaxation and spaced-out cerebral adventure. This bud is so strong it can knock even seasoned smokers on their back.

Fat Bastard grows quickly and subtly, but should be approached cautiously by all but the most tolerant consumers.

Need More High THC Strains?

We hope you found a strong weed strain from our list. For even more choices, check out our full range of high THC marijuana seeds.

Happy growing!