What's the difference between hemp and weed?

The scientific difference between what we refer to as hemp and marijuana comes from the purpose the strain was bred for. “The [legal] definition of hemp is a plant that has low THC and perhaps has a higher level of CBD,” says publisher and marijuana cultivation guru Ed Rosenthal. read more

While marijuana plants contain high levels of THC, hemp contains very little of the psychoactive chemical. This single difference is what most rely on to distinguish hemp from marijuana. For example, countries like Canada have set the maximum THC content of hemp at 0.3%. read more