Little Devil is an indica-dominant hybrid with powerful sedative effects, making it a favorite among those looking to improve their sleep or treat chronic pain. If you find this strain hard to come by in your local cannabis store, ask the budtender about its effects to prepare for a THC-filled experience. Critical Kush is one of the strongest marijuana strains with the highest THC content. It's a potent Indica strain that takes over your body, providing complete relaxation and calming effects.
Online sources place Amnesia Haze's THC range between 20 and 25%, with 21% THC reported by the Office of Medical Cannabis (NCSM), an agency of the Netherlands Ministry of Health, Welfare and Sport (VWS). Because of its high THC content, it's best to consume it gradually, as some report that this strain takes them to another dimension. In modern times, pickers remove clippings and water leaves, which contain little or no THC. The original Whales and Watty strain was the result of an accidental cross between Sour Dubb and Chem Sister, a popular phenotype of the remarkable Chemdog strain with high THC content.
A study on prenatal cannabis exposure in rats found that rats exposed to THC showed a shorter latency until the first active lever pressure to obtain heroin and sought more heroin during mild stress and drug extinction than animals not exposed to THC. Their original strain, a popular THC-rich strain called Chemdog, was the result of an accidental cross between Chem Sister and Sour Dubb. When you hear marijuana described as intoxicating, euphoric, sedative, mind-altering and socially improving, you're learning about the effects that THC may be largely responsible for. Ideally, it should be less than 10%, since there is no good research on concentrations higher than this for any medical condition and there is significant literature on the negative effects of high-potency THC.
Among other strains with high THC content, Scott's OG is at the center of the package and its high potency is often passed on to new strains. With continuous time and exposure to air and light, THCA degrades to CBN (cannabinol), which is less potent than THC but is known to promote sedative effects. Emerging from a Grateful Dead concert, Chemdog is one of the most famous varieties when it comes to high levels of THC. Reach told Weedmaps that the variety constantly tests more than 25% THC, producing resinous buds and a strong lemon scent with a touch of moist kush.
If you're looking for a THC-rich experience with cannabis flower, in most legal markets there is a growing variety of strains with ultra-high THC levels. This test can be done in a real HPLC laboratory, where THC levels are chemically examined, or more commonly it can be done by smoking a sample of the flowers of each plant and seeing which one helps you get higher.