Industrial Hemp is any cannabis plant that contains 0.3% THC or less, but where does CBD come from?

CBD is extracted from specialized hemp plants often referred to as Phytocannabinoid-Rich Hemp (PCR Hemp).

These specialized plants differ from the hemp plants that are typically used for: Hemp Seed Oil, Textiles, Paper, Biofuel and countless other Industrial Purposes.

They contain significant levels of CBD and other minor cannabinoids in addition to terpenes and flavonoids.

https://cbdmarketer.com/what-is-industrial-hemp/