What Cannabis Strain Has the Highest THC Level?

A comprehensive guide to the cannabis strains with the highest THC levels. Discover which strains to look for next time you visit your dispensary.

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THC Basics

THC is the main psychoactive compound in cannabis. It’s what gets you “high.” THC levels can vary a lot from strain to strain. Some strains have very high THC levels and some have very low THC levels. So, what cannabis strain has the highest THC level?

What is THC?

THC (tetrahydrocannabinol) is the main psychoactive ingredient in cannabis. It’s what gives you the “high” feeling. THC can be found in various strains of cannabis, including indica, sativa, and hybrid strains. The THC content of a particular strain will determine how strong the “high” feeling is. Cannabis strains with high THC levels are usually used for recreational purposes, while those with lower THC levels are typically used for medical purposes.

How does THC work?

THC, or delta-9-tetrahydrocannabinol, is the main psychoactive compound in cannabis. It’s what gives you the feeling of being “high.” THC affects your brain by binding to cannabinoid receptors. These are found throughout your body, but mostly in your brain and central nervous system. When THC binds to these receptors, it changes the way your neurons send, receive, and process information. This can lead to changes in your mood, behavior, perception, and sense of time.

THC Levels in Cannabis Strains

Cannabis strains are often labeled by their THC level. The THC content of a cannabis plant is affected by many factors, including the strain’s genetics, growing conditions, and processing. Some cannabis strains have been bred to have high THC levels, while others have been bred to have low THC levels.

Indica vs. Sativa

The two main types of cannabis are indica and sativa. Both types can produce high levels of THC, but indica strains tend to be more potent. Indica strains also tend to have a higher CBD content than sativa strains.


Most people assume that all cannabis strains have the same THC levels, but this is not the case. There are many different types of cannabis strains, each with its own unique THC level. The type of strain you choose will determine the potency of your final product.

The highest THC level in a cannabis strain is found in the hybrid category. Hybrid strains are a cross between indica and sativa strains, and they tend to have higher THC levels than either type on its own. Some of the most popular hybrid strains include Dutch Treat, Blue Dream, and Sour Diesel.

If you’re looking for a potent cannabis strain with a high THC level, hybrid is the way to go.

The Highest THC Levels

Cannabis strains are constantly being bred to have higher THC levels. In the past, the average THC level in cannabis was around 10%. Now, there are strains with THC levels of 30% or higher. The highest THC level that has been recorded so far is 34.5%.

Ghost Train Haze #1

While many consumers enjoy the psychoactive effects of THC, some are looking for strains that pack the highest THC punch. If you’re looking for a powerful high, these ten strains have the highest THC levels, according to recent lab tests.

1. Ghost Train Haze #1 – 24.5%
2. Green Crack – 23%
3. Jack Herer – 22%
4. Girl Scout Cookies – 21.5%
5. Chem Dawg – 21%
6. Ace of Spades – 20%
7. Super Lemon Haze – 20%
8. OG Kush – 19%
9. White Widow – 18%
10. Sour Diesel – 17%

White Widow

White Widow is a legendary strain with a long history. It’s a cross between a Brazilian sativa landrace and an Indian indica, and it was first grown in the Netherlands in the 1990s. White Widow quickly became one of the most popular strains in the world, and it remains popular today.

White Widow is known for its high THC levels, which can reach up to 25%. This makes White Widow an excellent choice for experienced cannabis users who are looking for a potent strain. White Widow also has a relatively high CBD content, which can help to offset some of the effects of THC.

If you’re looking for a powerful strain with a long history, White Widow is an excellent choice.


AK-47 is a cannabis strain that is known for its high THC levels. This strain can have THC levels that range from 20% to 26%. AK-47 is a sativa-dominant hybrid that has a sweet and spicy flavor. This strain is best for experienced cannabis users due to its high THC levels.

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