Highest THC Seeds

Enjoy Bigger Highs With Extreme THC Seeds


Extremely High THC Marijuana Seeds

You like getting highs that are stronger than anything you ever experienced or felt? We can help. With our extremely high THC strains, you can grow bud with THC levels over 20% (which is huge). We offer a variety of different extreme high THC options, like Cherry Pie and LSD, so you can enjoy the high, mix, and grow challenge you want. So beware, these are some of the highest THC seeds available!

What is THC?

Tetrahydrocannabinol, called THC for short, is one of the active ingredients found in the cannabis plant. THC is the chemical responsible for giving marijuana users euphoric highs. It is also one of the oldest hallucinogens in the history of man.

Historical evidence shows that as far back as first century AD, people were using THC as an herbal remedy. Today, research has shown that it still possesses medical properties that benefit consumers. Many people all over the world also still enjoy the high feeling it provides.

There are about 60 different chemicals in a cannabis plant that provide psychoactive effects. The two considered to be the most effective and potent are THC and cannabidiol (CBD). Evidence shows that CBD can counteract the high effects of THC. So, if you are hoping to grow a strain of marijuana that provides an awesome high, make sure its CBD level is relatively low.

Benefits of THC

As an active drug, THC has been used in multiple scientific studies to provide consumers with anecdotal evidence of its medical properties.

Tetrahydrocannabinol has been found to successfully treat various conditions like aches and sleeplessness.

Crossbreeding helps growers cultivate medical marijuana with phenomenally high THC levels. To maintain hard-hitting marijuana strains with average THC levels of more than 22% the CBD must remain very low. This is so users get an optimal high, without the CBD countering the effects.

Strains this high in THC, like Super Skunk, are for seasoned cannabis users only. The high is very intense, so users must have a high tolerance as well. This also means it takes less to achieve a high, so less is needed to produce hash, dabs, oils, and edibles. 

How Hard It Is To Grow Extreme THC Seeds

Most extreme THC seeds are hybrids from other strains. That means each strain comes with its own best way to grow it. However, if you are looking for an extreme high without the extreme challenge of growing, we also have a couple of autoflowering seed strains that are easy to grow, produce great bud, and require little maintenance.

Here’s Robert’s (our founder) very own strain for autoflowering extreme THC seeds: Gold Leaf Autoflower.

What Is The High Like?

Good question! Every high is unique to the strain. Since each strain is built from a hybrid of different plants, your experience will be different plant to plant. Some strains increase happiness, others produce great euphoria, etc.

If you have a specific experience you are looking for, check out our options. Each product page details the different experiences the plants produce and what you can expect to feel when you use them. Here are the top picks from our team:

ILGM’s Favorite Seeds

Are These Extreme THC Seeds The Real Deal?

Yes! When you order from us you are guaranteed to get the best seeds possible, no matter the strain. However, we don’t expect you to just take our word for it. That’s why every product page features reviews real users just like you left for it.

This way you can see what people have to say and decide if that product is right for you!

The Best Ways To Buy Extreme THC Seeds

We always tell people to make sure they buy seeds from a trusted supplier. That’s why we tell everyone to visit our review page where we have thousands of independent reviews. With us, you can be confident you are getting the best quality possible!

We even offer a seed combination package with heavy hitters which are heavily discounted! Check out our Heavy Hitters Mix Pack if you want a knockout-bargain. 

Need Help With Your Marijuana Seeds?

Worried that growing the highest THC seeds isn’t easy? We get it. That first grow can be scary. Thankfully, we can help. If you check out our product, you can see we offer everything from challenging seeds to grow to easier to manage autoflowering seeds that produce bud you’ll love!

However, we don’t leave you hanging. To make sure your next grow goes great we created a series of grow guides you can follow to get great yields even with zero experience.

Discover Our Grow Guides

We also know that sometimes our guides don’t cover questions you might have. That’s why we also built a robust support forum where you can post questions and get answers from expert growers who’ve been doing it for years!

Join Our Forums

So try it out! You’ll be amazed at how much better the quality of your bud will be, unlike what you are used to from the dispensary when you control every part of the process!

Marijuana Fertilizer

Some of the best conventional and biological nutrients to boost your yield!


Grow Kits

Whether you’re just starting out or just hunting for a bargain, these complete sets provide all the seeds, nutrients and boosters to get you through your grow.


Variety Packs

Can’t choose what strains to pick? We have you covered! Try our mixpacks and choose from fruity, spicy, autoflower and more sets.


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