THC, the dominant cannabinoid in cannabis, is responsible for producing the euphoric and mind-altering high commonly associated with marijuana. The more THC, the stronger the buzz.
Thanks to their unique genetics, different strains of cannabis possess different amounts of THC. As genetics have become more refined through careful crossbreeding, some modern cannabis strains now possess astonishingly high levels of THC. This has many people wondering what the strongest weed strain is.
If you’re looking for a strain to blow your mind with cerebral euphoria or to provide relief from stubborn medical symptoms, check out one of the high-THC strains on this list.
Looking for a weed strain that will challenge your tolerance or stand up to stubborn medical symptoms? Readers ask us all the time which strains are the most potent, and while that depends on a variety of factors from how it was grown to the quality of genetics, we’ve put together a list of strains that have a reputation for heavy-handed euphoria.
Cannabis Strains with THC > 25%
First up on the list of strains is this indica-dominant hybrid that comes in at a whopping 27% THC. This strain will give the user brief feelings of euphoria, coupled with a nice head buzz before delivering an intense couch-lock experience. The origins of this strain hail from some heavy hitters that consist of Sour Dubb, Chems Sister and Chocolate Diesel. Royal Gorilla possesses long-lasting effects that are great for treating chronic pain and fatigue with flavors that are citrusy, earthy and sweet. The terpenes present in this strain are limonene, caryophyllene and pinene, which are sure to pack a punch and an enjoyable high with a slight diesel exhale.
Next on our list of strongest weed strains for 2021 is this sativa-leaning hybrid, also known as “Lemonhead OG” that normally tests around 22-23% THC, all the way up to even 25% THC. Created from the strain Kush by Royal Choice Farms, expect an intense tingling sensation and a dizzying head high with zesty energy, perfect for elevating the mood. Lemonhead is among the popular strains that provokes a positive social behavior, filled with laughter and smiles that won’t make the user feel overstimulated. Filled with myrcene, limonene and caryophyllene, expect a flavor that is a bit citrusy and dank, with a pine taste on the backend.
This sativa with genetics of Trainwreck, Jack the Ripper and Trinity make Chernobyl debatably the highest THC strain, coming in at over 30% THC. Expect a dreamy, uplifted mood to last for hours that will keep you energetic throughout the day. With citrus and a distinct lime sherbet smell to accompany it, this strain will wash away all stresses and anxiety. High in the terpene terpinolene, this strain will deliver an overall positive experience, without being too much to handle.
If you’ve been searching for 30% THC strains, this is the strain for you. This indica combines Afghani Indica with OG Kush and brings about a strong tingling feeling throughout the body, giving one a nice numbing feeling. Expect a couch-lock experience, coupled with a nice euphoric attitude in the mind, all while having a very notable citrus smell. With terpenes like limonene and myrcene, this strain is sure to aid in anxiety, insomnia and chronic pain.
To round out our strongest and best weed strains for 2021, this often difficult to find hybrid averages around 24-25% THC and will sometimes come in at around 29%. This strain’s genetics are a bit mysterious as well, with origins through to be from the strain Triangle which produces a smooth, dank pine taste with an earthy aroma. This is a great strain for intense focus, with almost no body high to possibly slow you down. High in caryophyllene, this potent strain is not for the novice smoker. If you find yourself in a creative funk, light this strain up to get those thoughts flowing.
Strain: Indica-dominant hybrid (70%/ 30%) with 22% to 26% THC testing to 31.62%.
Genetics: Crocket’s Banana Kush and Strawberry Bubblegum.
Reputation: Strawberry Banana tastes and smells of sweet fruit.
User highlights: This strain hits the head hard and fast, leaving you relaxed and focused before leading to full-body sedation. Users report relief from sleep disorders and PTSD. Strawberry Banana is not for newcomers because the euphoria and sedation are intense.
Strain: Nearly-balanced Indica-dominant hybrid (55%/ 45%) has tested at 32.13% THC, but the retail market sells Chemdawg around 20%.
Genetics: Origin remains a secret held by its creators at Next Harvest (Denver, CO).
Reputation: Chemdawg users must get past its pungent Sour Diesel smell, which it has passed on to other hybrids.
User highlights: This strain is powerfully uplifting without confusion or paranoia. It was designed for those stoners who just want to chill because it calms overactive minds, and a relaxed body follows.
Strain: Sativa-dominant hybrid (80%/ 20%) may average THC in the low 20%, but it has also tested <30% to keep you spirited all day.
Genetics: Trainwreck, Trinity, and Jack the Ripper
Reputation: Chernobyl is aptly named. It will explode and stick with you for a long time.
User highlights: Lemon and lime flavors will perk you up with a long-lasting dreamy relief to body tension and brain stress.
White Tahoe Cookies
Strain: Indica-dominant hybrid (70%/ 30%) with >29% THC
Genetics: Kush4Breakfast blended White Girl Scout Cookies and Tahoe OG
Reputation: Sweet tasting and woodsy on the exhale, this strain pushes euphoria to the edge until a sleepy, relaxing body tingle comes over you.
User highlights: White Tahoe Cookies is a sedative treating appetite, inflammation, pain, and sleep disorders. Effects could frighten first-time users, but it promises rewards for those looking for a laugh and a good night’s sleep.
Strain: Sativa-dominant hybrid (65%/ 35%) reaching 27% THC
Genetics: OG Kush and Strawberry Diesel
Reputation: Sour lemon barely hides the pungent diesel and earthy taste and aroma.
User highlights: Hulkberry soothes the brain and body to relieve ADD/ADHD, chronic pain, cramps, depression, fatigue, migraines, and muscle spasms. It does so with an energetic rush of creativity and motivation.
Strain: Indica-dominant hybrid (70%/ 30%) with 17% THC often testing to 27%
Genetics: Mighty Irish Seeds crossed Real McCoy with Cookies and Cream.
Reputation: Irish Cream smells of wood, earth, pine, and herbs under smoke heavy with flowers.
User highlights: Irish Cream is excellent for social smoking and after dinner relaxation. Your sociability will settle into a calming relaxation one body part after another promoted by its 1% CBD. It provides a pleasant experience relieving anxiety, chronic pain, depression, headaches, and stress.
Triple G (aka Triple Kush)
Strain: Indica-dominant hybrid (70%/ 30%) with 13% to 19% THC often coming in at 26% to 28% THC
Genetics: White Fire and SFV OG Kush
Reputation: Triple G delivers rich berry and chocolate flavors and
User highlights: Triple K is a “go-to option” for those who want to stone or relieve symptoms of anxiety, nausea, spasticity, and stress. It lifts your spirits quickly before settling into a total body calm.
Strain: Indica-dominant hybrid (55%/ 45%) with 25%
Genetics: Sunset Sherbet and Thin Mint Cookies
Reputation: Richly-flavored strain leads to total couch-lock for hours.
User highlights: The Green Gelato will put you to bed. You might feel peppy at the start, but the sleepy relaxation will follow soon. It may be all you need to end a stressful workday, but it also reduces the suffering from chronic pain, chronic fatigue, and involuntary spasms.
Some of these strains have been around a while, but legalization has made them more accessible. Some of them have been rare, but legalization will increase the demand. If potency is your thing, you can also look for Royal Gorilla, Death Star, Lemonhead, and more.
Those listed here have significant medical benefits. However, the medical results may be a placebo effect resulting from the distraction and preoccupation with the strong cerebral influence.