How the Same Cannabis Strain Becomes Hemp or Marijuana Using Hawaiian Haze and Purple Hindu Kush Hemp and marijuana are not totally different plants. Both come from the Cannabis sativa L. family. The legal difference comes down to cannabinoid content, especially THC. Under the federal hemp framework, hemp is cannabis with no more than 0.3% delta-9 THC on a dry-weight basis. That means the strain name alone does not decide whether flower is hemp… Read more