Most Potent Marijuana Strains In High Times 2014 Cannabis Cups

According to High Times and its “Analysis Strongest Strains on Earth” Report, 10 of the most potent strains submitted to the five Cannabis Cups held in 2014, ranged from 22% to 28%. Nineteen of the 20 strains contained potencies over 20%.

Marijuana potency has increased dramatically over the past 40 years.

In 1975, the average THC potency was 1% and has increased to 15% by 2013.